adding Intellij style xml and applied to all java code (#20734)

* added intellij-codestyle.xml and sample of it being applied to some java code-gen classes

* code-format changes ONLY

* few more format changes since last merge with master

* applied code-style to all java one last time

intellij-codestyle.xml

@@ -0,0 +1,9 @@
+<code_scheme name="Project" version="173">
+  <JavaCodeStyleSettings>
+    <option name="DO_NOT_WRAP_AFTER_SINGLE_ANNOTATION" value="true" />
+    <option name="DO_NOT_WRAP_AFTER_SINGLE_ANNOTATION_IN_PARAMETER" value="true" />
+  </JavaCodeStyleSettings>
+  <codeStyleSettings language="JAVA">
+    <option name="FIELD_ANNOTATION_WRAP" value="0" />
+  </codeStyleSettings>
+</code_scheme>

modules/openapi-generator-cli/src/main/java/org/openapitools/codegen/Constants.java

@@ -1,7 +1,8 @@
 package org.openapitools.codegen;
 
 public class Constants {
-    private Constants(){ }
+    private Constants() {
+    }
 
     public static final String CLI_NAME = "openapi-generator-cli";
     public static final String GIT_REPO = "https://github.com/openapitools/openapi-generator";

modules/openapi-generator-cli/src/main/java/org/openapitools/codegen/cmd/AuthorTemplate.java

@@ -138,7 +138,7 @@ public class AuthorTemplate extends OpenApiGeneratorCommand {
                             } else {
                                 LOGGER.warn("The library filter '{}' extracted an unexpected library path: {}", library, p.toAbsolutePath());
                             }
-                });
+                        });
             }
 
             LOGGER.info("Extracted templates to '{}' directory. Refer to https://openapi-generator.tech/docs/templating for customization details.", outputDirPath);

modules/openapi-generator-cli/src/main/java/org/openapitools/codegen/cmd/ConfigHelp.java

@@ -20,11 +20,7 @@ package org.openapitools.codegen.cmd;
 import io.airlift.airline.Command;
 import io.airlift.airline.Option;
 import org.apache.commons.lang3.StringUtils;
-import org.openapitools.codegen.CliOption;
+import org.openapitools.codegen.*;
-import org.openapitools.codegen.CodegenConfig;
-import org.openapitools.codegen.CodegenConfigLoader;
-import org.openapitools.codegen.GeneratorNotFoundException;
-import org.openapitools.codegen.VendorExtension;
 import org.openapitools.codegen.meta.FeatureSet;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
@@ -37,10 +33,10 @@ import java.util.concurrent.atomic.AtomicReference;
 import java.util.function.Function;
 import java.util.stream.Collectors;
 
-import static org.apache.commons.text.StringEscapeUtils.escapeHtml4;
 import static org.apache.commons.lang3.StringUtils.isEmpty;
+import static org.apache.commons.text.StringEscapeUtils.escapeHtml4;
 
-@SuppressWarnings({"unused","java:S106", "java:S1192"})
+@SuppressWarnings({"unused", "java:S106", "java:S1192"})
 @Command(name = "config-help", description = "Config help for chosen lang")
 public class ConfigHelp extends OpenApiGeneratorCommand {
 
@@ -49,7 +45,7 @@ public class ConfigHelp extends OpenApiGeneratorCommand {
     private static final String FORMAT_TEXT = "text";
     private static final String FORMAT_MARKDOWN = "markdown";
     private static final String FORMAT_YAMLSAMPLE = "yamlsample";
-    private static final int FEATURE_SET_DISPLAY_WIDTH= 20;
+    private static final int FEATURE_SET_DISPLAY_WIDTH = 20;
 
     @Option(name = {"-g",
             "--generator-name"}, title = "generator name", description = "generator to get config help for")
@@ -121,7 +117,7 @@ public class ConfigHelp extends OpenApiGeneratorCommand {
     private Boolean markdownHeader;
 
     @Option(name = {
-        "--supported-vendor-extensions"}, title = "supported vendor extensions", description = "List supported vendor extensions")
+            "--supported-vendor-extensions"}, title = "supported vendor extensions", description = "List supported vendor extensions")
     private Boolean supportedVendorExtensions;
 
     @Option(name = {"--full-details"}, title = "full generator details", description = "displays CLI options as well as other configs/mappings (implies --instantiation-types, --reserved-words, --language-specific-primitives, --import-mappings, --feature-set)")
@@ -241,16 +237,16 @@ public class ConfigHelp extends OpenApiGeneratorCommand {
         }
 
         sb
-            .append(newline).append("## SUPPORTED VENDOR EXTENSIONS").append(newline).append(newline)
+                .append(newline).append("## SUPPORTED VENDOR EXTENSIONS").append(newline).append(newline)
-            .append("| Extension name | Description | Applicable for | Default value |").append(newline)
+                .append("| Extension name | Description | Applicable for | Default value |").append(newline)
-            .append("| -------------- | ----------- | -------------- | ------------- |").append(newline);
+                .append("| -------------- | ----------- | -------------- | ------------- |").append(newline);
 
         supportedVendorExtensions.forEach(
-            extension -> sb.append("|").append(extension.getName())
+                extension -> sb.append("|").append(extension.getName())
-                .append("|").append(extension.getDescription())
+                        .append("|").append(extension.getDescription())
-                .append("|").append(extension.getLevels().stream().map(Objects::toString).collect(Collectors.joining(", ")))
+                        .append("|").append(extension.getLevels().stream().map(Objects::toString).collect(Collectors.joining(", ")))
-                .append("|").append(extension.getDefaultValue())
+                        .append("|").append(extension.getDefaultValue())
-                .append(newline)
+                        .append(newline)
         );
         sb.append(newline);
     }
@@ -359,17 +355,17 @@ public class ConfigHelp extends OpenApiGeneratorCommand {
 
         sb.append("| Property | Value | Notes |").append(newline);
         sb.append("| -------- | ----- | ----- |").append(newline);
-        sb.append("| generator name | "+config.getName()+" | pass this to the generate command after -g |").append(newline);
+        sb.append("| generator name | " + config.getName() + " | pass this to the generate command after -g |").append(newline);
-        sb.append("| generator stability | "+config.getGeneratorMetadata().getStability()+" | |").append(newline);
+        sb.append("| generator stability | " + config.getGeneratorMetadata().getStability() + " | |").append(newline);
-        sb.append("| generator type | "+config.getTag()+" | |").append(newline);
+        sb.append("| generator type | " + config.getTag() + " | |").append(newline);
         if (config.generatorLanguage() != null) {
-            sb.append("| generator language | "+config.generatorLanguage().toString()+" | |").append(newline);
+            sb.append("| generator language | " + config.generatorLanguage().toString() + " | |").append(newline);
         }
         if (config.generatorLanguageVersion() != null) {
-            sb.append("| generator language version | "+config.generatorLanguageVersion()+" | |").append(newline);
+            sb.append("| generator language version | " + config.generatorLanguageVersion() + " | |").append(newline);
         }
-        sb.append("| generator default templating engine | "+config.defaultTemplatingEngine()+" | |").append(newline);
+        sb.append("| generator default templating engine | " + config.defaultTemplatingEngine() + " | |").append(newline);
-        sb.append("| helpTxt | "+config.getHelp()+" | |").append(newline);
+        sb.append("| helpTxt | " + config.getHelp() + " | |").append(newline);
 
         sb.append(newline);
     }

modules/openapi-generator-cli/src/main/java/org/openapitools/codegen/cmd/Generate.java

@@ -17,18 +17,10 @@
 
 package org.openapitools.codegen.cmd;
 
-import static org.apache.commons.lang3.StringUtils.isNotEmpty;
-import static org.openapitools.codegen.config.CodegenConfiguratorUtils.*;
-
 import ch.qos.logback.classic.LoggerContext;
 import ch.qos.logback.core.spi.FilterAttachable;
 import io.airlift.airline.Command;
 import io.airlift.airline.Option;
-import java.io.File;
-import java.util.ArrayList;
-import java.util.List;
-import java.util.stream.Stream;
-
 import org.apache.commons.lang3.StringUtils;
 import org.openapitools.codegen.*;
 import org.openapitools.codegen.config.CodegenConfigurator;
@@ -36,6 +28,14 @@ import org.openapitools.codegen.config.MergedSpecBuilder;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 
+import java.io.File;
+import java.util.ArrayList;
+import java.util.List;
+import java.util.stream.Stream;
+
+import static org.apache.commons.lang3.StringUtils.isNotEmpty;
+import static org.openapitools.codegen.config.CodegenConfiguratorUtils.*;
+
 @SuppressWarnings({"java:S106"})
 @Command(name = "generate", description = "Generate code with the specified generator.")
 public class Generate extends OpenApiGeneratorCommand {
@@ -101,7 +101,7 @@ public class Generate extends OpenApiGeneratorCommand {
                     + "overwritten during the generation.")
     private Boolean skipOverwrite;
 
-    @Option(name = { "--dry-run" }, title = "Dry run",
+    @Option(name = {"--dry-run"}, title = "Dry run",
             description = "Try things out and report on potential changes (without actually making changes).")
     private Boolean isDryRun;
 
@@ -327,15 +327,15 @@ public class Generate extends OpenApiGeneratorCommand {
     private Boolean legacyDiscriminatorBehavior;
 
     @Option(name = {"--minimal-update"},
-        title = "Minimal update",
+            title = "Minimal update",
-        description = "Only write output files that have changed.")
+            description = "Only write output files that have changed.")
     private Boolean minimalUpdate;
 
     @Override
     public void execute() {
         if (StringUtils.isNotBlank(inputSpecRootDirectory)) {
             spec = new MergedSpecBuilder(inputSpecRootDirectory, StringUtils.isBlank(mergedFileName) ? "_merged_spec" : mergedFileName)
-                .buildMergedSpec();
+                    .buildMergedSpec();
             System.out.println("Merge input spec would be used - " + spec);
         }
 

modules/openapi-generator-cli/src/main/java/org/openapitools/codegen/cmd/GenerateBatch.java

@@ -18,7 +18,6 @@ package org.openapitools.codegen.cmd;
 
 import ch.qos.logback.classic.Level;
 import ch.qos.logback.classic.LoggerContext;
-
 import com.fasterxml.jackson.core.JsonParser;
 import com.fasterxml.jackson.core.JsonToken;
 import com.fasterxml.jackson.databind.*;
@@ -26,7 +25,6 @@ import com.fasterxml.jackson.databind.deser.BeanDeserializerModifier;
 import com.fasterxml.jackson.databind.deser.std.DelegatingDeserializer;
 import com.fasterxml.jackson.databind.module.SimpleModule;
 import com.fasterxml.jackson.databind.util.TokenBuffer;
-
 import io.airlift.airline.Arguments;
 import io.airlift.airline.Command;
 import io.airlift.airline.Option;
@@ -211,7 +209,7 @@ public class GenerateBatch extends OpenApiGeneratorCommand {
                 ClientOptInput opts = configurator.toClientOptInput();
                 CodegenConfig config = opts.getConfig();
                 name = config.getName();
-                
+
                 Path target = Paths.get(config.getOutputDir());
                 Path updated = rootDir.resolve(target);
                 config.setOutputDir(updated.toString());
@@ -308,34 +306,34 @@ public class GenerateBatch extends OpenApiGeneratorCommand {
         public Object deserialize(JsonParser p, DeserializationContext ctx) throws IOException {
             ObjectMapper codec = (ObjectMapper) ctx.getParser().getCodec();
             TokenBuffer buffer = new TokenBuffer(p);
-            
+
             recurse(buffer, p, codec, false);
-            
+
             JsonParser newParser = buffer.asParser(codec);
             newParser.nextToken();
-            
+
             return super.deserialize(newParser, ctx);
         }
-        
+
         private void recurse(TokenBuffer buffer, JsonParser p, ObjectMapper codec, boolean skipOuterbraces) throws IOException {
             boolean firstToken = true;
-            JsonToken token; 
+            JsonToken token;
-            
+
             while ((token = p.nextToken()) != null) {
                 String name = p.currentName();
-                
+
                 if (skipOuterbraces && firstToken && JsonToken.START_OBJECT.equals(token)) {
                     continue;
                 }
-                
+
                 if (skipOuterbraces && p.getParsingContext().inRoot() && JsonToken.END_OBJECT.equals(token)) {
                     continue;
                 }
-                
+
                 if (JsonToken.VALUE_NULL.equals(token)) {
                     continue;
                 }
-                
+
                 if (name != null && JsonToken.FIELD_NAME.equals(token) && name.startsWith(INCLUDE)) {
                     p.nextToken();
                     String fileName = p.getText();
@@ -348,7 +346,7 @@ public class GenerateBatch extends OpenApiGeneratorCommand {
                 } else {
                     buffer.copyCurrentEvent(p);
                 }
-                
+
                 firstToken = false;
             }
         }

modules/openapi-generator-cli/src/main/java/org/openapitools/codegen/cmd/ListGenerators.java

@@ -1,10 +1,8 @@
 package org.openapitools.codegen.cmd;
 
 import com.google.common.base.Objects;
-
 import io.airlift.airline.Command;
 import io.airlift.airline.Option;
-
 import org.apache.commons.lang3.StringUtils;
 import org.openapitools.codegen.CodegenConfig;
 import org.openapitools.codegen.CodegenConfigLoader;
@@ -20,18 +18,18 @@ import java.util.stream.Collectors;
 @Command(name = "list", description = "Lists the available generators")
 public class ListGenerators extends OpenApiGeneratorCommand {
 
-    @Option(name = {"-s", "--short" }, description = "shortened output (suitable for scripting)")
+    @Option(name = {"-s", "--short"}, description = "shortened output (suitable for scripting)")
     private Boolean shortened = false;
 
-    @Option(name = {"-d", "--docsite" }, description = "format for docusaurus site output", hidden = true)
+    @Option(name = {"-d", "--docsite"}, description = "format for docusaurus site output", hidden = true)
     private Boolean docusaurus = false;
 
-    @Option(name = {"--github-nested-index" }, description = "format for github index at docs/generators/README.md", hidden = true)
+    @Option(name = {"--github-nested-index"}, description = "format for github index at docs/generators/README.md", hidden = true)
-    private Boolean  githubNestedIndex = false;
+    private Boolean githubNestedIndex = false;
 
-    @Option(name = {"-i", "--include" },
+    @Option(name = {"-i", "--include"},
             description = "comma-separated list of stability indexes to include (value: all,beta,stable,experimental,deprecated). Excludes deprecated by default.",
-            allowedValues = { "all", "beta", "stable", "experimental", "deprecated" })
+            allowedValues = {"all", "beta", "stable", "experimental", "deprecated"})
     private String include = "stable,beta,experimental";
 
     @Override
@@ -88,7 +86,7 @@ public class ListGenerators extends OpenApiGeneratorCommand {
                 .sorted(Comparator.comparing(CodegenConfig::getName))
                 .collect(Collectors.toList());
 
-        if(!list.isEmpty()) {
+        if (!list.isEmpty()) {
             if (docusaurus || githubNestedIndex) {
                 sb.append("## ").append(typeName).append(" generators");
             } else {

modules/openapi-generator-cli/src/main/java/org/openapitools/codegen/cmd/Meta.java

@@ -17,9 +17,7 @@
 
 package org.openapitools.codegen.cmd;
 
-import static ch.lambdaj.collection.LambdaCollections.with;
+import ch.lambdaj.function.convert.Converter;
-import static com.google.common.base.Joiner.on;
-
 import com.google.common.base.CaseFormat;
 import com.google.common.collect.ImmutableList;
 import com.google.common.collect.ImmutableMap;
@@ -31,9 +29,9 @@ import org.openapitools.codegen.CodegenConfig;
 import org.openapitools.codegen.SupportingFile;
 import org.openapitools.codegen.TemplateManager;
 import org.openapitools.codegen.api.TemplatePathLocator;
+import org.openapitools.codegen.templating.CommonTemplateContentLocator;
 import org.openapitools.codegen.templating.MustacheEngineAdapter;
 import org.openapitools.codegen.templating.TemplateManagerOptions;
-import org.openapitools.codegen.templating.CommonTemplateContentLocator;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 
@@ -43,7 +41,8 @@ import java.nio.charset.StandardCharsets;
 import java.util.List;
 import java.util.Map;
 
-import ch.lambdaj.function.convert.Converter;
+import static ch.lambdaj.collection.LambdaCollections.with;
+import static com.google.common.base.Joiner.on;
 
 /**
  * User: lanwen Date: 24.03.15 Time: 20:22
@@ -99,19 +98,19 @@ public class Meta extends OpenApiGeneratorCommand {
                         new SupportingFile("kotlin/generatorClassTest.mustache", on(File.separator).join("src/test/kotlin", asPath(targetPackage)), mainClass.concat("Test.kt")),
                         new SupportingFile("kotlin/README.mustache", "", "README.md"),
 
-                        new SupportingFile("api.template", "src/main/resources" + File.separator + name,"api.mustache"),
+                        new SupportingFile("api.template", "src/main/resources" + File.separator + name, "api.mustache"),
-                        new SupportingFile("model.template", "src/main/resources" + File.separator + name,"model.mustache"),
+                        new SupportingFile("model.template", "src/main/resources" + File.separator + name, "model.mustache"),
                         new SupportingFile("myFile.template", String.join(File.separator, "src", "main", "resources", name), "myFile.mustache"),
                         new SupportingFile("services.mustache", "src/main/resources/META-INF/services", CodegenConfig.class.getCanonicalName()))
                 : ImmutableList.of(
-                        new SupportingFile("pom.mustache", "", "pom.xml"),
+                new SupportingFile("pom.mustache", "", "pom.xml"),
-                        new SupportingFile("generatorClass.mustache", on(File.separator).join("src/main/java", asPath(targetPackage)), mainClass.concat(".java")),
+                new SupportingFile("generatorClass.mustache", on(File.separator).join("src/main/java", asPath(targetPackage)), mainClass.concat(".java")),
-                        new SupportingFile("generatorClassTest.mustache", on(File.separator).join("src/test/java", asPath(targetPackage)), mainClass.concat("Test.java")),
+                new SupportingFile("generatorClassTest.mustache", on(File.separator).join("src/test/java", asPath(targetPackage)), mainClass.concat("Test.java")),
-                        new SupportingFile("README.mustache", "", "README.md"),
+                new SupportingFile("README.mustache", "", "README.md"),
-                        new SupportingFile("api.template", "src/main/resources" + File.separator + name,"api.mustache"),
+                new SupportingFile("api.template", "src/main/resources" + File.separator + name, "api.mustache"),
-                        new SupportingFile("model.template", "src/main/resources" + File.separator + name,"model.mustache"),
+                new SupportingFile("model.template", "src/main/resources" + File.separator + name, "model.mustache"),
-                        new SupportingFile("myFile.template", String.join(File.separator, "src", "main", "resources", name), "myFile.mustache"),
+                new SupportingFile("myFile.template", String.join(File.separator, "src", "main", "resources", name), "myFile.mustache"),
-                        new SupportingFile("services.mustache", "src/main/resources/META-INF/services", CodegenConfig.class.getCanonicalName()));
+                new SupportingFile("services.mustache", "src/main/resources/META-INF/services", CodegenConfig.class.getCanonicalName()));
 
         String currentVersion = buildInfo.getVersion();
 
@@ -134,11 +133,11 @@ public class Meta extends OpenApiGeneratorCommand {
      * destination directory
      *
      * @param targetDir - destination directory
-     * @param data - map with additional params needed to process templates
+     * @param data      - map with additional params needed to process templates
      * @return converter object to pass to lambdaj
      */
     private static Converter<SupportingFile, File> processFiles(final File targetDir,
-            final Map<String, Object> data) {
+                                                                final Map<String, Object> data) {
         return support -> {
             try {
                 File destinationFolder =
@@ -148,7 +147,7 @@ public class Meta extends OpenApiGeneratorCommand {
                 TemplateManager templateProcessor = new TemplateManager(
                         new TemplateManagerOptions(false, false),
                         new MustacheEngineAdapter(),
-                        new TemplatePathLocator[]{ new CommonTemplateContentLocator("codegen") }
+                        new TemplatePathLocator[]{new CommonTemplateContentLocator("codegen")}
                 );
 
                 String template = templateProcessor.readTemplate(new File(TEMPLATE_DIR_CLASSPATH, support.getTemplateFile()).getPath());

modules/openapi-generator-cli/src/main/java/org/openapitools/codegen/cmd/Validate.java

@@ -19,7 +19,6 @@ package org.openapitools.codegen.cmd;
 
 import io.airlift.airline.Command;
 import io.airlift.airline.Option;
-
 import io.swagger.parser.OpenAPIParser;
 import io.swagger.v3.oas.models.OpenAPI;
 import io.swagger.v3.parser.core.models.AuthorizationValue;
@@ -35,7 +34,7 @@ import java.util.HashSet;
 import java.util.List;
 import java.util.Set;
 
-@SuppressWarnings({"unused","java:S106"})
+@SuppressWarnings({"unused", "java:S106"})
 @Command(name = "validate", description = "Validate specification")
 public class Validate extends OpenApiGeneratorCommand {
 
@@ -43,7 +42,7 @@ public class Validate extends OpenApiGeneratorCommand {
             description = "location of the OpenAPI spec, as URL or file (required)")
     private String spec;
 
-    @Option(name = { "--recommend"}, title = "recommend spec improvements")
+    @Option(name = {"--recommend"}, title = "recommend spec improvements")
     private Boolean recommend;
 
     @Option(

modules/openapi-generator-cli/src/test/java/org/openapitools/codegen/cmd/AuthorTemplateTest.java

@@ -20,7 +20,7 @@ public class AuthorTemplateTest {
     }
 
     @Test
-    public void smokeTestAuthorTemplateCommand(){
+    public void smokeTestAuthorTemplateCommand() {
         Cli.CliBuilder<Runnable> builder = createBuilder();
         String[] arguments = new String[]{
                 "author",
@@ -57,7 +57,7 @@ public class AuthorTemplateTest {
         Assert.assertFalse(Files.exists(outputDirectory.resolve("libraries/okhttp-gson/auth/RetryingOAuth.mustache")));
     }
 
-    private Cli.CliBuilder<Runnable> createBuilder(){
+    private Cli.CliBuilder<Runnable> createBuilder() {
         Cli.CliBuilder<Runnable> builder = new Cli.CliBuilder<>("openapi-generator-cli");
 
         builder.withGroup("author")

modules/openapi-generator-cli/src/test/java/org/openapitools/codegen/cmd/GenerateBatchTest.java

@@ -42,7 +42,7 @@ public class GenerateBatchTest {
 
     @DataProvider(name = "customIncludeDeserializerFiles")
     public Object[][] customIncludeDeserializerFiles() {
-        return new Object[][] {
+        return new Object[][]{
                 {JAXRS_DATELIB_J8_JSON},
                 {JAXRS_DATELIB_J8_YAML},
                 {JAXRS_DATELIB_J8_JSON_INCLUDE_YAML},
@@ -89,7 +89,7 @@ public class GenerateBatchTest {
 
     @SuppressWarnings("unused")
     @Test(
-            expectedExceptions = { RuntimeException.class },
+            expectedExceptions = {RuntimeException.class},
             expectedExceptionsMessageRegExp = "Unable to deserialize config file: .*"
     )
     public void testInvalidDeserializerWithIncludeOption() {

modules/openapi-generator-cli/src/test/java/org/openapitools/codegen/cmd/GenerateTest.java

@@ -363,7 +363,7 @@ public class GenerateTest {
             verify(configurator).toContext();
             verifyNoMoreInteractions(configurator);
         } finally {
-            if(!f.delete()) {
+            if (!f.delete()) {
                 System.out.println("Directory didn't delete. You can ignore this.");
             }
         }
@@ -389,7 +389,7 @@ public class GenerateTest {
             verify(configurator).toClientOptInput();
             verify(configurator).toContext();
             verifyNoMoreInteractions(configurator);
-            if(!f.delete()) {
+            if (!f.delete()) {
                 System.out.println("Directory didn't delete. You can ignore this.");
             }
         }

modules/openapi-generator-cli/src/test/java/org/openapitools/codegen/cmd/utils/OptionUtilsTest.java

@@ -17,8 +17,8 @@
 
 package org.openapitools.codegen.cmd.utils;
 
-import org.openapitools.codegen.utils.OptionUtils;
 import org.apache.commons.lang3.tuple.Pair;
+import org.openapitools.codegen.utils.OptionUtils;
 import org.testng.annotations.Test;
 
 import java.util.Collections;

modules/openapi-generator-core/src/main/java/org/openapitools/codegen/api/AbstractTemplatingEngineAdapter.java

@@ -27,7 +27,6 @@ public abstract class AbstractTemplatingEngineAdapter implements TemplatingEngin
      * Gets all possible template paths for a given location.
      *
      * @param location The full location of the template.
-     *
      * @return A new array of locations, modified according to the extensions or other adapter rules.
      */
     protected String[] getModifiedFileLocation(String location) {
@@ -44,7 +43,6 @@ public abstract class AbstractTemplatingEngineAdapter implements TemplatingEngin
      * Returns the path without an extension for an input location.
      *
      * @param location The location of the file, with original file extension intact.
-     *
      * @return The full path, without extension (e.g. /path/to/file.txt => /path/to/file)
      */
     private String getPathWithoutExtension(String location) {

modules/openapi-generator-core/src/main/java/org/openapitools/codegen/api/TemplateDefinition.java

@@ -17,7 +17,7 @@ public class TemplateDefinition {
     /**
      * <p>Constructor for TemplateDefinition.</p>
      *
-     * @param templateFile a template path relative to user template or embedded template.
+     * @param templateFile        a template path relative to user template or embedded template.
      * @param destinationFilename a target output location for the file, relative to the output directory.
      */
     public TemplateDefinition(String templateFile, String destinationFilename) {
@@ -34,8 +34,8 @@ public class TemplateDefinition {
     /**
      * <p>Constructor for TemplateDefinition.</p>
      *
-     * @param templateFile a template path relative to user template or embedded template.
+     * @param templateFile        a template path relative to user template or embedded template.
-     * @param folder a folder in the target output directory in which to place the target file.
+     * @param folder              a folder in the target output directory in which to place the target file.
      * @param destinationFilename a target output location for the file, relative to the output directory.
      */
     public TemplateDefinition(String templateFile, String folder, String destinationFilename) {
@@ -94,7 +94,9 @@ public class TemplateDefinition {
         this.templateType = templateType;
     }
 
-    /** {@inheritDoc} */
+    /**
+     * {@inheritDoc}
+     */
     @Override
     public boolean equals(Object o) {
         if (this == o) return true;
@@ -106,13 +108,17 @@ public class TemplateDefinition {
                 getTemplateType() == that.getTemplateType();
     }
 
-    /** {@inheritDoc} */
+    /**
+     * {@inheritDoc}
+     */
     @Override
     public int hashCode() {
         return Objects.hash(getTemplateFile(), getFolder(), getDestinationFilename(), getTemplateType());
     }
 
-    /** {@inheritDoc} */
+    /**
+     * {@inheritDoc}
+     */
     @Override
     public String toString() {
         return new StringJoiner(", ", TemplateDefinition.class.getSimpleName() + "[", "]")

modules/openapi-generator-core/src/main/java/org/openapitools/codegen/api/TemplateFileType.java

@@ -17,16 +17,22 @@ public enum TemplateFileType {
 
     private final String templateType;
 
-    TemplateFileType(String templateType) { this.templateType = templateType; }
+    TemplateFileType(String templateType) {
+        this.templateType = templateType;
+    }
 
     /**
      * Returns the value for this template file type
      *
      * @return The template type of this enum.
      */
-    public String value() { return this.templateType; }
+    public String value() {
+        return this.templateType;
+    }
 
-    /** {@inheritDoc} */
+    /**
+     * {@inheritDoc}
+     */
     @Override
     public String toString() {
         return new StringJoiner(", ", TemplateFileType.class.getSimpleName() + "[", "]")

modules/openapi-generator-core/src/main/java/org/openapitools/codegen/api/TemplateProcessor.java

@@ -12,10 +12,9 @@ public interface TemplateProcessor {
     /**
      * Writes data to a compiled template
      *
-     * @param data Input data
+     * @param data     Input data
      * @param template Input template location
-     * @param target The targeted file output location
+     * @param target   The targeted file output location
-     *
      * @return The actual file
      * @throws IOException If file cannot be written.
      */
@@ -34,7 +33,7 @@ public interface TemplateProcessor {
     /**
      * Allow a caller to mark a path as ignored with accompanying reason
      *
-     * @param path The ignored path
+     * @param path    The ignored path
      * @param context The reason for ignoring this path
      */
     void ignore(Path path, String context);
@@ -42,7 +41,7 @@ public interface TemplateProcessor {
     /**
      * Allow a caller to mark a path as skipped with accompanying reason
      *
-     * @param path The skipped path
+     * @param path    The skipped path
      * @param context The reason for skipping this path
      */
     void skip(Path path, String context);
@@ -50,8 +49,9 @@ public interface TemplateProcessor {
     /**
      * Allow a caller to mark a path having errored during processing with accompanying reason
      *
-     * @param path The path which has caused an error
+     * @param path    The path which has caused an error
      * @param context The reason for the error
      */
-    default void error(Path path, String context) { }
+    default void error(Path path, String context) {
+    }
 }

modules/openapi-generator-core/src/main/java/org/openapitools/codegen/api/TemplatingEngineAdapter.java

@@ -47,8 +47,8 @@ public interface TemplatingEngineAdapter {
 
     /**
      * Determine if the adapter handles compilation of the file
-     * @param filename The template filename
      *
+     * @param filename The template filename
      * @return True if the file should be compiled by this adapter, else false.
      */
     default boolean handlesFile(String filename) {
@@ -58,7 +58,7 @@ public interface TemplatingEngineAdapter {
     /**
      * Compiles a template into a string
      *
-     * @param executor    From where we can fetch the templates content (e.g. an instance of DefaultGenerator)
+     * @param executor     From where we can fetch the templates content (e.g. an instance of DefaultGenerator)
      * @param bundle       The map of values to pass to the template
      * @param templateFile The name of the template (e.g. model.mustache )
      * @return the processed template result

modules/openapi-generator-core/src/main/java/org/openapitools/codegen/api/TemplatingGenerator.java

@@ -17,6 +17,7 @@
 package org.openapitools.codegen.api;
 
 // TODO: 6.0 Remove
+
 /**
  * interface to the full template content
  * implementers might take into account the -t cli option,

modules/openapi-generator-core/src/main/java/org/openapitools/codegen/config/WorkflowSettings.java

@@ -340,7 +340,7 @@ public class WorkflowSettings {
          * @return a reference to this Builder
          */
         public Builder withOutputDir(String outputDir) {
-            if (outputDir != null ) {
+            if (outputDir != null) {
                 this.outputDir = Paths.get(outputDir).toAbsolutePath().toString();
             } else {
                 this.outputDir = DEFAULT_OUTPUT_DIR;
@@ -473,7 +473,7 @@ public class WorkflowSettings {
                 // check to see if the folder exists
                 if (f.exists() && f.isDirectory()) {
                     uri = f.toURI();
-                    this.templateDir =  Paths.get(uri).toAbsolutePath().normalize().toString();
+                    this.templateDir = Paths.get(uri).toAbsolutePath().normalize().toString();
                 } else {
                     String cpDir;
                     // HACK: this duplicates TemplateManager.getCPResourcePath a bit. We should probably move that function to core.
@@ -543,7 +543,7 @@ public class WorkflowSettings {
         /**
          * Sets the {@code globalProperties} and returns a reference to this Builder so that the methods can be chained together.
          *
-         * @param key The key of a system (global) property to set
+         * @param key   The key of a system (global) property to set
          * @param value The value of a system (global) property to set
          * @return a reference to this Builder
          */

modules/openapi-generator-core/src/main/java/org/openapitools/codegen/meta/FeatureSet.java

@@ -383,7 +383,6 @@ public class FeatureSet {
          * Includes the defined {@link ClientModificationFeature} to the new/existing set of supported features.
          *
          * @param clientModificationFeature One or more {@code clientModificationFeature} to ensure are included in the set.
-         *
          * @return a reference to this Builder
          */
         public Builder includeClientModificationFeatures(ClientModificationFeature... clientModificationFeature) {
@@ -395,7 +394,6 @@ public class FeatureSet {
          * Excludes the defined {@link ClientModificationFeature} from the set of supported features.
          *
          * @param clientModificationFeature One or more {@code clientModificationFeature} to ensure are excluded from the set.
-         *
          * @return a reference to this Builder
          */
         public Builder excludeClientModificationFeatures(ClientModificationFeature... clientModificationFeature) {
@@ -422,7 +420,6 @@ public class FeatureSet {
          * Includes the defined {@link DataTypeFeature} to the new/existing set of supported features.
          *
          * @param dataTypeFeature One or more {@code dataTypeFeature} to ensure are included in the set.
-         *
          * @return a reference to this Builder
          */
         public Builder includeDataTypeFeatures(DataTypeFeature... dataTypeFeature) {
@@ -434,7 +431,6 @@ public class FeatureSet {
          * Excludes the defined {@link DataTypeFeature} from the set of supported features.
          *
          * @param dataTypeFeature One or more {@code dataTypeFeature} to ensure are excluded from the set.
-         *
          * @return a reference to this Builder
          */
         public Builder excludeDataTypeFeatures(DataTypeFeature... dataTypeFeature) {
@@ -461,7 +457,6 @@ public class FeatureSet {
          * Includes the defined {@link DocumentationFeature} to the new/existing set of supported features.
          *
          * @param documentationFeature One or more {@code documentationFeature} to ensure are included in the set.
-         *
          * @return a reference to this Builder
          */
         public Builder includeDocumentationFeatures(DocumentationFeature... documentationFeature) {
@@ -473,7 +468,6 @@ public class FeatureSet {
          * Excludes the defined {@link DocumentationFeature} from the set of supported features.
          *
          * @param documentationFeature One or more {@code documentationFeature} to ensure are excluded from the set.
-         *
          * @return a reference to this Builder
          */
         public Builder excludeDocumentationFeatures(DocumentationFeature... documentationFeature) {
@@ -500,7 +494,6 @@ public class FeatureSet {
          * Includes the defined {@link SchemaSupportFeature} to the new/existing set of supported features.
          *
          * @param schemaSupportFeature One or more {@code schemaSupportFeature} to ensure are included in the set.
-         *
          * @return a reference to this Builder
          */
         public Builder includeSchemaSupportFeatures(SchemaSupportFeature... schemaSupportFeature) {
@@ -512,7 +505,6 @@ public class FeatureSet {
          * Excludes the defined {@link SchemaSupportFeature} from the set of supported features.
          *
          * @param schemaSupportFeature One or more {@code schemaSupportFeature} to ensure are excluded from the set.
-         *
          * @return a reference to this Builder
          */
         public Builder excludeSchemaSupportFeatures(SchemaSupportFeature... schemaSupportFeature) {
@@ -539,7 +531,6 @@ public class FeatureSet {
          * Includes the defined {@link ParameterFeature} to the new/existing set of supported features.
          *
          * @param parameterFeature One or more {@code parameterFeature} to ensure are included in the set.
-         *
          * @return a reference to this Builder
          */
         public Builder includeParameterFeatures(ParameterFeature... parameterFeature) {
@@ -551,7 +542,6 @@ public class FeatureSet {
          * Excludes the defined {@link ParameterFeature} from the set of supported features.
          *
          * @param parameterFeature One or more {@code parameterFeature} to ensure are excluded from the set.
-         *
          * @return a reference to this Builder
          */
         public Builder excludeParameterFeatures(ParameterFeature... parameterFeature) {
@@ -578,7 +568,6 @@ public class FeatureSet {
          * Includes the defined {@link SecurityFeature} to the new/existing set of supported features.
          *
          * @param securityFeature One or more {@code securityFeature} to ensure are included in the set.
-         *
          * @return a reference to this Builder
          */
         public Builder includeSecurityFeatures(SecurityFeature... securityFeature) {
@@ -590,7 +579,6 @@ public class FeatureSet {
          * Excludes the defined {@link SecurityFeature} from the set of supported features.
          *
          * @param securityFeature One or more {@code securityFeature} to ensure are excluded from the set.
-         *
          * @return a reference to this Builder
          */
         public Builder excludeSecurityFeatures(SecurityFeature... securityFeature) {
@@ -617,7 +605,6 @@ public class FeatureSet {
          * Includes the defined {@link GlobalFeature} to the new/existing set of supported features.
          *
          * @param globalFeature One or more {@code globalFeatures} to ensure are included in the set.
-         *
          * @return a reference to this Builder
          */
         public Builder includeGlobalFeatures(GlobalFeature... globalFeature) {
@@ -629,7 +616,6 @@ public class FeatureSet {
          * Excludes the defined {@link GlobalFeature} from the set of supported features.
          *
          * @param globalFeature One or more {@code globalFeatures} to ensure are excluded from the set.
-         *
          * @return a reference to this Builder
          */
         public Builder excludeGlobalFeatures(GlobalFeature... globalFeature) {
@@ -656,7 +642,6 @@ public class FeatureSet {
          * Includes the defined {@link WireFormatFeature} to the new/existing set of supported features.
          *
          * @param wireFormatFeature One or more {@code wireFormatFeatures} to ensure are included in the set.
-         *
          * @return a reference to this Builder
          */
         public Builder includeWireFormatFeatures(WireFormatFeature... wireFormatFeature) {
@@ -672,7 +657,6 @@ public class FeatureSet {
          * </p>
          *
          * @param wireFormatFeature One or more {@code wireFormatFeatures} to ensure are excluded from the set.
-         *
          * @return a reference to this Builder
          */
         public Builder excludeWireFormatFeatures(WireFormatFeature... wireFormatFeature) {

modules/openapi-generator-core/src/main/java/org/openapitools/codegen/meta/Stability.java

@@ -49,10 +49,12 @@ public enum Stability {
      *
      * @return The descriptive value of this enum.
      */
-    public String value() { return description; }
+    public String value() {
+        return description;
+    }
 
     public static Stability forDescription(String description) {
-        for (Stability value: values()) {
+        for (Stability value : values()) {
             if (value.description.equals(description)) {
                 return value;
             }

modules/openapi-generator-core/src/main/java/org/openapitools/codegen/meta/features/DataTypeFeature.java

@@ -23,7 +23,7 @@ import org.openapitools.codegen.meta.features.annotations.ToolingExtension;
 /**
  * Defines common data types supported by a generator.
  * Some of these features are defined in specs, and some are specific to the tool.
- *
+ * <p>
  * Where data types are listed as tool-specific, this either indicates that the data type is common enough that it is an officially
  * supported custom data type by the toolset (see {@link DataTypeFeature#Decimal}), or that the consideration of a special type isn't
  * explicitly mentioned by the specification(s) but differs enough across languages that it warrants a special callout (see {@link DataTypeFeature#ArrayOfModel}).
@@ -114,9 +114,9 @@ public enum DataTypeFeature {
      *
      *
      * <p>
-     *     This should be used as an indicator for password best practices, such as assigning a variable to
+     * This should be used as an indicator for password best practices, such as assigning a variable to
-     *     a character array rather than string, avoiding logging the variable in clear text, and masking the value
+     * a character array rather than string, avoiding logging the variable in clear text, and masking the value
-     *     in any user inputs. See OWASP for best practices.
+     * in any user inputs. See OWASP for best practices.
      * </p>
      */
     @OAS2 @OAS3

modules/openapi-generator-core/src/main/java/org/openapitools/codegen/meta/features/GlobalFeature.java

@@ -129,7 +129,7 @@ public enum GlobalFeature {
      *
      * <p>
      * NOTE: This option is more relevant for documentation generators which support HTML stylesheets, but may be used
-     *       to determine structural characteristics of a property (as with OAS 3.x lack of collectionFormat).
+     * to determine structural characteristics of a property (as with OAS 3.x lack of collectionFormat).
      * </p>
      */
     @OAS3

modules/openapi-generator-core/src/main/java/org/openapitools/codegen/meta/features/ParameterFeature.java

@@ -45,7 +45,7 @@ public enum ParameterFeature {
      * Supports body parameters.
      *
      * <p>
-     *     OAS 3.x specification supports this structurally rather than as an "in" parameter.
+     * OAS 3.x specification supports this structurally rather than as an "in" parameter.
      * </p>
      */
     @OAS2
@@ -53,7 +53,7 @@ public enum ParameterFeature {
 
     /**
      * Supports form encoded parameters.
-     *
+     * <p>
      * OAS 3.x specification supports this structurally via content types rather than as an "in" parameter.
      */
     @OAS2

modules/openapi-generator-core/src/main/java/org/openapitools/codegen/meta/features/SchemaSupportFeature.java

@@ -54,11 +54,11 @@ public enum SchemaSupportFeature {
      *
      * <p>
      * This means that a single "Type" in generated code may refer to one of any type in a set of 2 or more types.
-     *
+     * <p>
      * This is defined as a union as "OneOf" support is not explicitly limited to physical boundaries in OpenAPI Specification. The
      * implementation of such a type is easily represented dynamically (a JSON object), but requires explicit language support and
      * potentially a custom implementation (typed instances).
-     *
+     * <p>
      * Note that a generator may support "Unions" very loosely by returning an Object/Any/ref/interface{} type, leaving onus
      * on type determination to the consumer. This does *NOT* suggest generated code implements a "Union Type".
      * </p>

modules/openapi-generator-core/src/main/java/org/openapitools/codegen/meta/features/annotations/AnnotationType.java

@@ -4,9 +4,9 @@ public enum AnnotationType {
     OAS2, OAS3, ToolingExtension;
 
     public static AnnotationType fromAnnotation(Class<?> input) {
-        if(input ==  OAS2.class) return AnnotationType.OAS2;
+        if (input == OAS2.class) return AnnotationType.OAS2;
-        if(input == OAS3.class) return AnnotationType.OAS3;
+        if (input == OAS3.class) return AnnotationType.OAS3;
-        if(input == ToolingExtension.class) return AnnotationType.ToolingExtension;
+        if (input == ToolingExtension.class) return AnnotationType.ToolingExtension;
         return null;
     }
 }

modules/openapi-generator-core/src/main/java/org/openapitools/codegen/validation/GenericValidator.java

@@ -39,7 +39,6 @@ public class GenericValidator<TInput> implements Validator<TInput> {
      * Validates input, resulting in a instance of {@link ValidationResult} which provides details on all validations performed (success, error, warning).
      *
      * @param input The object instance to be validated.
-     *
      * @return A {@link ValidationResult} which details the success, error, and warning validation results.
      */
     @Override

modules/openapi-generator-core/src/main/java/org/openapitools/codegen/validation/Invalid.java

@@ -28,7 +28,7 @@ public final class Invalid extends Validated {
     /**
      * Constructs a new {@link Invalid} instance.
      *
-     * @param rule The rule which was evaluated and resulted in this state.
+     * @param rule    The rule which was evaluated and resulted in this state.
      * @param message The message to be displayed for this invalid state.
      */
     Invalid(ValidationRule rule, String message) {
@@ -39,7 +39,7 @@ public final class Invalid extends Validated {
     /**
      * Constructs a new {@link Invalid} instance.
      *
-     * @param rule The rule which was evaluated and resulted in this state.
+     * @param rule    The rule which was evaluated and resulted in this state.
      * @param message The message to be displayed for this invalid state.
      * @param details Additional contextual details related to the invalid state.
      */

modules/openapi-generator-core/src/main/java/org/openapitools/codegen/validation/Validated.java

@@ -46,21 +46,20 @@ public abstract class Validated {
     /**
      * Creates an instance of an {@link Invalid} validation state.
      *
-     * @param rule The rule which was evaluated.
+     * @param rule    The rule which was evaluated.
      * @param message The message to display to a user.
-     *
      * @return A {@link Validated} instance representing an invalid state according to the rule.
      */
     public static Validated invalid(ValidationRule rule, String message) {
         return new Invalid(rule, message);
     }
+
     /**
      * Creates an instance of an {@link Invalid} validation state.
      *
-     * @param rule The rule which was evaluated.
+     * @param rule    The rule which was evaluated.
      * @param message The message to display to a user.
      * @param details Additional contextual details related to the invalid state.
-     *
      * @return A {@link Validated} instance representing an invalid state according to the rule.
      */
     public static Validated invalid(ValidationRule rule, String message, String details) {
@@ -71,7 +70,6 @@ public abstract class Validated {
      * Creates an instance of an {@link Valid} validation state.
      *
      * @param rule The rule which was evaluated.
-     *
      * @return A {@link Validated} instance representing a valid state according to the rule.
      */
     public static Validated valid(ValidationRule rule) {

modules/openapi-generator-core/src/main/java/org/openapitools/codegen/validation/ValidationResult.java

@@ -49,7 +49,7 @@ public final class ValidationResult {
      * @return All validated results.
      */
     public List<Validated> getAll() {
-        return  validations;
+        return validations;
     }
 
     /**
@@ -57,8 +57,8 @@ public final class ValidationResult {
      *
      * @return A list containing only {@link Valid} states.
      */
-    public List<Valid> getValid(){
+    public List<Valid> getValid() {
-        return validations.stream().filter(Validated::isValid).map(it -> (Valid)it).collect(Collectors.toList());
+        return validations.stream().filter(Validated::isValid).map(it -> (Valid) it).collect(Collectors.toList());
     }
 
     /**
@@ -66,10 +66,10 @@ public final class ValidationResult {
      *
      * @return A list of all validation errors.
      */
-    public List<Invalid> getErrors(){
+    public List<Invalid> getErrors() {
         return validations.stream()
                 .filter(it -> !it.isValid())
-                .map(it -> (Invalid)it)
+                .map(it -> (Invalid) it)
                 .filter(it -> it.getSeverity().equals(Severity.ERROR))
                 .collect(Collectors.toList());
     }
@@ -79,10 +79,10 @@ public final class ValidationResult {
      *
      * @return A list of all validation warnings.
      */
-    public List<Invalid> getWarnings(){
+    public List<Invalid> getWarnings() {
         return validations.stream()
                 .filter(it -> !it.isValid())
-                .map(it -> (Invalid)it)
+                .map(it -> (Invalid) it)
                 .filter(it -> it.getSeverity().equals(Severity.WARNING))
                 .collect(Collectors.toList());
     }

modules/openapi-generator-core/src/main/java/org/openapitools/codegen/validation/ValidationRule.java

@@ -31,11 +31,11 @@ public class ValidationRule {
     /**
      * Constructs a new instance of {@link ValidationRule}
      *
-     * @param severity The declared severity if this validation rule fails.
+     * @param severity       The declared severity if this validation rule fails.
-     * @param description A description to help differentiate this rule from others (not intended to be user-facing).
+     * @param description    A description to help differentiate this rule from others (not intended to be user-facing).
      * @param failureMessage The message to be displayed in the event of a test failure (intended to be user-facing).
-     * @param test The test condition to be applied as a part of this rule, when this function returns <code>true</code>,
+     * @param test           The test condition to be applied as a part of this rule, when this function returns <code>true</code>,
-     *             the evaluated instance will be considered "valid" according to this rule.
+     *                       the evaluated instance will be considered "valid" according to this rule.
      */
     ValidationRule(Severity severity, String description, String failureMessage, Function<Object, Result> test) {
         this.severity = severity;
@@ -57,7 +57,6 @@ public class ValidationRule {
      * Evaluate an instance of an object against this rule.
      *
      * @param input The instance to be evaluated.
-     *
      * @return <code>true</code> if the object state is valid according to this rule, otherwise <code>false</code>.
      */
     public Result evaluate(Object input) {
@@ -90,19 +89,18 @@ public class ValidationRule {
      * @return An "empty" rule.
      */
     static ValidationRule empty() {
-        return new ValidationRule(Severity.ERROR, "empty", "failure message", (i) -> Fail.empty() );
+        return new ValidationRule(Severity.ERROR, "empty", "failure message", (i) -> Fail.empty());
     }
 
     /**
      * Create an instance of a {@link ValidationRule}
      *
-     * @param severity The declared severity if this validation rule fails.
+     * @param severity       The declared severity if this validation rule fails.
-     * @param description A description to help differentiate this rule from others (not intended to be user-facing).
+     * @param description    A description to help differentiate this rule from others (not intended to be user-facing).
      * @param failureMessage The message to be displayed in the event of a test failure (intended to be user-facing).
-     * @param fn The test condition to be applied as a part of this rule, when this function returns <code>true</code>,
+     * @param fn             The test condition to be applied as a part of this rule, when this function returns <code>true</code>,
-     *             the evaluated instance will be considered "valid" according to this rule.
+     *                       the evaluated instance will be considered "valid" according to this rule.
-     * @param <T> The type of the object being evaluated.
+     * @param <T>            The type of the object being evaluated.
-     *
      * @return A new instance of a {@link ValidationRule}
      */
     @SuppressWarnings("unchecked")
@@ -114,10 +112,9 @@ public class ValidationRule {
      * Create an instance of a {@link ValidationRule} which should result in an error should the evaluate of this rule fail.
      *
      * @param failureMessage The message to be displayed in the event of a test failure (intended to be user-facing).
-     * @param fn The test condition to be applied as a part of this rule, when this function returns <code>true</code>,
+     * @param fn             The test condition to be applied as a part of this rule, when this function returns <code>true</code>,
-     *             the evaluated instance will be considered "valid" according to this rule.
+     *                       the evaluated instance will be considered "valid" according to this rule.
-     * @param <T> The type of the object being evaluated.
+     * @param <T>            The type of the object being evaluated.
-     *
      * @return A new instance of a {@link ValidationRule}
      */
     @SuppressWarnings("unchecked")
@@ -128,12 +125,11 @@ public class ValidationRule {
     /**
      * Create an instance of a {@link ValidationRule} which should result in a warning should the evaluate of this rule fail.
      *
-     * @param description A description to help differentiate this rule from others (not intended to be user-facing).
+     * @param description    A description to help differentiate this rule from others (not intended to be user-facing).
      * @param failureMessage The message to be displayed in the event of a test failure (intended to be user-facing).
-     * @param fn The test condition to be applied as a part of this rule, when this function returns <code>true</code>,
+     * @param fn             The test condition to be applied as a part of this rule, when this function returns <code>true</code>,
-     *             the evaluated instance will be considered "valid" according to this rule.
+     *                       the evaluated instance will be considered "valid" according to this rule.
-     * @param <T> The type of the object being evaluated.
+     * @param <T>            The type of the object being evaluated.
-     *
      * @return A new instance of a {@link ValidationRule}
      */
     @SuppressWarnings("unchecked")
@@ -164,17 +160,24 @@ public class ValidationRule {
         }
 
         public abstract boolean passed();
-        public final boolean failed() { return !passed(); }
+
+        public final boolean failed() {
+            return !passed();
+        }
 
         public Throwable getThrowable() {
             return throwable;
         }
 
-        public boolean thrown() { return this.throwable == null; }
+        public boolean thrown() {
+            return this.throwable == null;
+        }
     }
 
     public static final class Pass extends Result {
-        public static Result empty() { return new Pass(); }
+        public static Result empty() {
+            return new Pass();
+        }
 
         public Pass() {
             super();
@@ -192,7 +195,9 @@ public class ValidationRule {
     }
 
     public static final class Fail extends Result {
-        public static Result empty() { return new Fail(); }
+        public static Result empty() {
+            return new Fail();
+        }
 
         public Fail() {
             super();

modules/openapi-generator-core/src/main/java/org/openapitools/codegen/validation/Validator.java

@@ -27,7 +27,6 @@ public interface Validator<TInput> {
      * Validates input, resulting in a instance of {@link ValidationResult} which provides details on all validations performed (success, error, warning).
      *
      * @param input The object instance to be validated.
-     *
      * @return A {@link ValidationResult} which details the success, error, and warning validation results.
      */
     ValidationResult validate(TInput input);

modules/openapi-generator-core/src/test/java/org/openapitools/codegen/config/WorkflowSettingsTest.java

@@ -25,7 +25,7 @@ import static org.testng.Assert.*;
 
 public class WorkflowSettingsTest {
     @Test
-    public void defaultValuesNotOverriddenByNulls(){
+    public void defaultValuesNotOverriddenByNulls() {
         WorkflowSettings settings = WorkflowSettings.newBuilder()
                 .withOutputDir(null)
                 .withVerbose(null)
@@ -50,7 +50,7 @@ public class WorkflowSettingsTest {
     }
 
     @Test
-    public void newBuilderFromCopyShouldMutateGlobalProperties(){
+    public void newBuilderFromCopyShouldMutateGlobalProperties() {
         WorkflowSettings original = WorkflowSettings.newBuilder()
                 .withOutputDir("output")
                 .withVerbose(true)
@@ -110,16 +110,17 @@ public class WorkflowSettingsTest {
     }
 
     @Test
-    public void defaultValuesCanBeChangedClassConstructor(){
+    public void defaultValuesCanBeChangedClassConstructor() {
         WorkflowSettings defaults = new WorkflowSettings();
         assertOnChangesToDefaults(defaults);
     }
 
     @Test
-    public void defaultValuesCanBeChangedBuilder(){
+    public void defaultValuesCanBeChangedBuilder() {
         WorkflowSettings defaults = WorkflowSettings.newBuilder().build();
         assertOnChangesToDefaults(defaults);
     }
+
     @Test
     public void customOutputDirIsSet() {
         WorkflowSettings settings = WorkflowSettings.newBuilder()

modules/openapi-generator-core/src/test/java/org/openapitools/codegen/validation/GenericValidatorTest.java

@@ -18,12 +18,13 @@ package org.openapitools.codegen.validation;
 
 import org.testng.annotations.Test;
 
-import static org.testng.Assert.*;
-
 import java.util.Arrays;
 import java.util.List;
 import java.util.Optional;
 
+import static org.testng.Assert.assertEquals;
+import static org.testng.Assert.assertTrue;
+
 public class GenericValidatorTest {
     static class Person {
         private int age;
@@ -53,7 +54,7 @@ public class GenericValidatorTest {
     }
 
     private static ValidationRule.Result checkNameNormalLength(Person person) {
-        return person.name.length() < 10? ValidationRule.Pass.empty() : ValidationRule.Fail.empty();
+        return person.name.length() < 10 ? ValidationRule.Pass.empty() : ValidationRule.Fail.empty();
     }
 
     private List<ValidationRule> validationRules = Arrays.asList(
@@ -65,7 +66,7 @@ public class GenericValidatorTest {
     );
 
     @Test
-    public void testGenericValidatorSuccesses(){
+    public void testGenericValidatorSuccesses() {
         Person person = new Person("Jim", 23);
         GenericValidator<Person> validator = new GenericValidator<>(validationRules);
         ValidationResult result = validator.validate(person);
@@ -79,7 +80,7 @@ public class GenericValidatorTest {
     }
 
     @Test
-    public void testGenericValidatorSingleConditionFails(){
+    public void testGenericValidatorSingleConditionFails() {
         Person person = new Person("Jim", 3);
         GenericValidator<Person> validator = new GenericValidator<>(validationRules);
         ValidationResult result = validator.validate(person);
@@ -98,7 +99,7 @@ public class GenericValidatorTest {
     }
 
     @Test
-    public void testGenericValidatorMultipleConditionsFail(){
+    public void testGenericValidatorMultipleConditionsFail() {
         Person person = new Person("asdf", 3);
         GenericValidator<Person> validator = new GenericValidator<>(validationRules);
         ValidationResult result = validator.validate(person);
@@ -122,7 +123,7 @@ public class GenericValidatorTest {
     }
 
     @Test
-    public void testGenericValidatorErrorsAndWarnings(){
+    public void testGenericValidatorErrorsAndWarnings() {
         Person person = new Person("0123456789asdfghjkl", 3);
         GenericValidator<Person> validator = new GenericValidator<>(validationRules);
         ValidationResult result = validator.validate(person);

modules/openapi-generator-core/src/test/java/org/openapitools/codegen/validation/ValidatedTest.java

@@ -18,17 +18,18 @@ package org.openapitools.codegen.validation;
 
 import org.testng.annotations.Test;
 
-import static org.testng.Assert.*;
+import static org.testng.Assert.assertFalse;
+import static org.testng.Assert.assertTrue;
 
 public class ValidatedTest {
     @Test
-    public void isValidTrueForValidType(){
+    public void isValidTrueForValidType() {
         boolean isValid = Validated.valid(ValidationRule.empty()).isValid();
         assertTrue(isValid);
     }
 
     @Test
-    public void isValidFalseForInvalidType(){
+    public void isValidFalseForInvalidType() {
         boolean isValid = Validated.invalid(ValidationRule.empty(), "test").isValid();
         assertFalse(isValid);
     }

modules/openapi-generator-core/src/test/java/org/openapitools/codegen/validation/ValidationRuleTest.java

@@ -18,7 +18,8 @@ package org.openapitools.codegen.validation;
 
 import org.testng.annotations.Test;
 
-import static org.testng.Assert.*;
+import static org.testng.Assert.assertFalse;
+import static org.testng.Assert.assertTrue;
 
 public class ValidationRuleTest {
     static class Sample {
@@ -39,11 +40,11 @@ public class ValidationRuleTest {
 
     private static ValidationRule.Result checkPattern(Sample input) {
         String pattern = "^[A-Z][a-z]*$";
-        return (input.getName() != null && input.getName().matches(pattern))  ? ValidationRule.Pass.empty() : ValidationRule.Fail.empty();
+        return (input.getName() != null && input.getName().matches(pattern)) ? ValidationRule.Pass.empty() : ValidationRule.Fail.empty();
     }
 
     @Test
-    public void createMethodUsingMethodReference(){
+    public void createMethodUsingMethodReference() {
         Sample nil = new Sample(null);
         Sample six = new Sample("123456");
         Sample seven = new Sample("1234567");
@@ -56,11 +57,11 @@ public class ValidationRuleTest {
     }
 
     @Test
-    public void createMethodUsingLambda(){
+    public void createMethodUsingLambda() {
         Sample nil = new Sample(null);
         Sample lowercase = new Sample("jim");
         Sample titlecase = new Sample("Jim");
-        ValidationRule result = ValidationRule.error("test", i -> checkPattern((Sample)i));
+        ValidationRule result = ValidationRule.error("test", i -> checkPattern((Sample) i));
         assertFalse(result.evaluate(nil).passed());
         assertFalse(result.evaluate(lowercase).passed());
         assertTrue(result.evaluate(titlecase).passed());

modules/openapi-generator-maven-plugin/src/main/java/org/openapitools/codegen/plugin/CodeGenMojo.java

@@ -30,11 +30,13 @@ import lombok.Setter;
 import org.apache.commons.io.FileUtils;
 import org.apache.commons.io.FilenameUtils;
 import org.apache.commons.lang3.StringUtils;
-import org.apache.maven.artifact.Artifact;
 import org.apache.maven.plugin.AbstractMojo;
 import org.apache.maven.plugin.MojoExecution;
 import org.apache.maven.plugin.MojoExecutionException;
-import org.apache.maven.plugins.annotations.*;
+import org.apache.maven.plugins.annotations.Component;
+import org.apache.maven.plugins.annotations.LifecyclePhase;
+import org.apache.maven.plugins.annotations.Mojo;
+import org.apache.maven.plugins.annotations.Parameter;
 import org.apache.maven.project.MavenProject;
 import org.apache.maven.project.MavenProjectHelper;
 import org.openapitools.codegen.*;
@@ -49,7 +51,10 @@ import org.sonatype.plexus.build.incremental.DefaultBuildContext;
 
 import java.io.File;
 import java.io.IOException;
-import java.net.*;
+import java.net.MalformedURLException;
+import java.net.URI;
+import java.net.URISyntaxException;
+import java.net.URL;
 import java.nio.charset.StandardCharsets;
 import java.nio.file.Path;
 import java.text.MessageFormat;
@@ -156,7 +161,7 @@ public class CodeGenMojo extends AbstractMojo {
     /**
      * The name of templating engine to use, "mustache" (default) or "handlebars" (beta)
      */
-    @Parameter(name = "engine", defaultValue = "mustache", property="openapi.generator.maven.plugin.engine")
+    @Parameter(name = "engine", defaultValue = "mustache", property = "openapi.generator.maven.plugin.engine")
     private String engine;
 
     /**
@@ -541,7 +546,7 @@ public class CodeGenMojo extends AbstractMojo {
 
         if (StringUtils.isNotBlank(inputSpecRootDirectory)) {
             inputSpec = new MergedSpecBuilder(inputSpecRootDirectory, mergedFileName)
-                .buildMergedSpec();
+                    .buildMergedSpec();
             LOGGER.info("Merge input spec would be used - {}", inputSpec);
         }
 
@@ -572,7 +577,7 @@ public class CodeGenMojo extends AbstractMojo {
                 return;
             }
 
-            if (buildContext != null && inputSpec != null ) {
+            if (buildContext != null && inputSpec != null) {
                 if (buildContext.isIncremental() &&
                         inputSpecFile.exists() &&
                         !buildContext.hasDelta(inputSpecFile)) {
@@ -664,7 +669,7 @@ public class CodeGenMojo extends AbstractMojo {
                 configurator.setEnablePostProcessFile(enablePostProcessFile);
             }
 
-            if (generateAliasAsModel  != null) {
+            if (generateAliasAsModel != null) {
                 configurator.setGenerateAliasAsModel(generateAliasAsModel);
             }
 
@@ -974,7 +979,7 @@ public class CodeGenMojo extends AbstractMojo {
                 File parent = new File(storedInputSpecHashFile.getParent());
                 if (!parent.mkdirs()) {
                     throw new RuntimeException("Failed to create the folder " + parent.getAbsolutePath() +
-                                               " to store the checksum of the input spec.");
+                            " to store the checksum of the input spec.");
                 }
             }
 
@@ -993,7 +998,7 @@ public class CodeGenMojo extends AbstractMojo {
     }
 
     /**
-     * Calculate an SHA256 hash for the openapi specification. 
+     * Calculate an SHA256 hash for the openapi specification.
      * If the specification is hosted on a remote resource it is downloaded first.
      *
      * @param inputSpec - Openapi specification input file. Can denote a URL or file path.
@@ -1002,18 +1007,19 @@ public class CodeGenMojo extends AbstractMojo {
     private String calculateInputSpecHash(String inputSpec) {
         final ParseOptions parseOptions = new ParseOptions();
         parseOptions.setResolve(true);
-        
+
         final URL remoteUrl = inputSpecRemoteUrl();
         final List<AuthorizationValue> authorizationValues = AuthParser.parse(this.auth);
 
         return Hashing.sha256().hashBytes(
-            new OpenAPIParser().readLocation(remoteUrl == null ? inputSpec : remoteUrl.toString(), authorizationValues, parseOptions)
+                new OpenAPIParser().readLocation(remoteUrl == null ? inputSpec : remoteUrl.toString(), authorizationValues, parseOptions)
-                .getOpenAPI().toString().getBytes(StandardCharsets.UTF_8)
+                        .getOpenAPI().toString().getBytes(StandardCharsets.UTF_8)
         ).toString();
     }
 
     /**
      * Try to parse inputSpec setting string into URL
+     *
      * @return A valid URL or null if inputSpec is not a valid URL
      */
     private URL inputSpecRemoteUrl() {
@@ -1026,8 +1032,9 @@ public class CodeGenMojo extends AbstractMojo {
 
     /**
      * Get specification hash file
+     *
      * @param inputSpecFile - Openapi specification input file to calculate its hash.
-     *                        Does not take into account if input spec is hosted on remote resource
+     *                      Does not take into account if input spec is hosted on remote resource
      * @return a file with previously calculated hash
      */
     private File getHashFile(File inputSpecFile) {

modules/openapi-generator-maven-plugin/src/test/java/org/openapitools/codegen/plugin/CodeGenMojoTest.java

@@ -94,13 +94,13 @@ public class CodeGenMojoTest extends BaseTestCase {
 
         // THEN
         assertTrue(Files.exists(tempDir.resolve(
-            "target/generated-sources/common-maven/remote-openapi/.openapi-generator/petstore.yaml-executionId.sha256"
+                "target/generated-sources/common-maven/remote-openapi/.openapi-generator/petstore.yaml-executionId.sha256"
         )));
     }
 
     /**
      * For a Pom file which refers to an input file which will be on the classpath, as opposed to a file path,
-     * test that the spec is not regenerated when the hash has not changed. 
+     * test that the spec is not regenerated when the hash has not changed.
      */
     public void testSkipRegenerationForClasspathSpecFileNoChange() throws Exception {
         //GIVEN
@@ -114,7 +114,7 @@ public class CodeGenMojoTest extends BaseTestCase {
         /* Check the hash file was created */
         final Path generatedDir = tempDir.resolve("target/generated-sources/common-maven/remote-openapi");
         assertTrue(Files.exists(
-            generatedDir.resolve(".openapi-generator/petstore-on-classpath.yaml-executionId.sha256")
+                generatedDir.resolve(".openapi-generator/petstore-on-classpath.yaml-executionId.sha256")
         ));
 
         /* Remove the generated source */
@@ -134,7 +134,7 @@ public class CodeGenMojoTest extends BaseTestCase {
 
     /**
      * For a Pom file which refers to an input file which will be on the classpath, as opposed to a file path,
-     * test that the generated source is regenerated when the hash has changed. 
+     * test that the generated source is regenerated when the hash has changed.
      */
     public void testSkipRegenerationForClasspathSpecFileWithChange() throws Exception {
         //GIVEN
@@ -151,12 +151,12 @@ public class CodeGenMojoTest extends BaseTestCase {
 
         /* Update the hash contents to be a different value, simulating a spec change */
         Files.write(
-            generatedDir.resolve(".openapi-generator/petstore-on-classpath.yaml-executionId.sha256"),
+                generatedDir.resolve(".openapi-generator/petstore-on-classpath.yaml-executionId.sha256"),
-            List.of("bd1bf4a953c858f9d47b67ed6029daacf1707e5cbd3d2e4b01383ba30363366f")
+                List.of("bd1bf4a953c858f9d47b67ed6029daacf1707e5cbd3d2e4b01383ba30363366f")
         );
 
         /* Remove the generated source */
-        try(Stream<Path> files = Files.walk(generatedDir.resolve("src"))) {
+        try (Stream<Path> files = Files.walk(generatedDir.resolve("src"))) {
             //noinspection ResultOfMethodCallIgnored
             files.sorted(Comparator.reverseOrder()).map(Path::toFile).forEach(File::delete);
         }
@@ -181,7 +181,7 @@ public class CodeGenMojoTest extends BaseTestCase {
 
         // THEN
         assertTrue(Files.exists(
-            tempDir.resolve("target/generated-sources/common-maven/remote-openapi/petstore-full-spec.yaml")
+                tempDir.resolve("target/generated-sources/common-maven/remote-openapi/petstore-full-spec.yaml")
         ));
     }
 
@@ -194,8 +194,8 @@ public class CodeGenMojoTest extends BaseTestCase {
 
         // THEN
         List<Artifact> matchingArtifacts = mojo.mavenProject.getAttachedArtifacts().stream()
-            .filter(artifact -> artifact.getFile().getName().equals("petstore-full-spec.yaml"))
+                .filter(artifact -> artifact.getFile().getName().equals("petstore-full-spec.yaml"))
-            .collect(Collectors.toList());
+                .collect(Collectors.toList());
         assertEquals(1, matchingArtifacts.size());
     }
 
@@ -242,7 +242,7 @@ public class CodeGenMojoTest extends BaseTestCase {
         var currentHash = Files.readString(hashFile);   // read hash
         FileUtils.deleteDirectory(generatedDir.resolve("src").toFile());    // Remove the generated source
         Files.writeString(  // change schema definition in external file
-            tempDir.resolve("schemas/Pet.yaml"),"\n  wrapped: true", StandardOpenOption.APPEND
+                tempDir.resolve("schemas/Pet.yaml"), "\n  wrapped: true", StandardOpenOption.APPEND
         );
 
         // WHEN
@@ -250,8 +250,8 @@ public class CodeGenMojoTest extends BaseTestCase {
 
         // THEN
         assertNotEquals(
-            Files.readString(hashFile), currentHash, "Checksum should not be the same after external file change"
+                Files.readString(hashFile), currentHash, "Checksum should not be the same after external file change"
-        );         
+        );
         assertTrue("Src directory should have been regenerated", Files.exists(generatedDir.resolve("src")));
     }
 
@@ -269,7 +269,7 @@ public class CodeGenMojoTest extends BaseTestCase {
     }
 
     private MojoExecution copyWithExecutionId(String executionId, MojoExecution execution) {
-        MojoExecution executionWithId  = new MojoExecution(execution.getMojoDescriptor(), executionId);
+        MojoExecution executionWithId = new MojoExecution(execution.getMojoDescriptor(), executionId);
         executionWithId.setConfiguration(execution.getConfiguration());
         return executionWithId;
     }
@@ -278,18 +278,18 @@ public class CodeGenMojoTest extends BaseTestCase {
         LocalRepository localRepo = new LocalRepository(basedir.resolve("local-repo").toFile());
         DefaultRepositorySystemSession session = MavenRepositorySystemUtils.newSession();
         session.setLocalRepositoryManager(
-            new SimpleLocalRepositoryManagerFactory(new DefaultLocalPathComposer()).newInstance(session, localRepo)
+                new SimpleLocalRepositoryManagerFactory(new DefaultLocalPathComposer()).newInstance(session, localRepo)
         );
         MavenExecutionRequest request = new DefaultMavenExecutionRequest().setBaseDirectory(basedir.toFile());
         if (profile != null) {
             request.addActiveProfile(profile);
         }
         ProjectBuildingRequest configuration = request.getProjectBuildingRequest()
-            .setRepositorySession(session)
+                .setRepositorySession(session)
-            .setResolveDependencies(true);
+                .setResolveDependencies(true);
         MavenProject project = lookup(ProjectBuilder.class)
-            .build(basedir.resolve("pom.xml").toFile(), configuration)
+                .build(basedir.resolve("pom.xml").toFile(), configuration)
-            .getProject();
+                .getProject();
         assertNotNull(project);
         return project;
     }

modules/openapi-generator-maven-plugin/src/test/java/org/openapitools/codegen/plugin/stubs/CommonMavenProjectStub.java

@@ -20,6 +20,6 @@ import org.apache.maven.plugin.testing.stubs.MavenProjectStub;
 
 public class CommonMavenProjectStub extends MavenProjectStub {
     public CommonMavenProjectStub() {
-        StubUtility.configureStub(this,"common-maven", "common-maven.xml");
+        StubUtility.configureStub(this, "common-maven", "common-maven.xml");
     }
 }

modules/openapi-generator-online/src/main/java/org/openapitools/codegen/online/OpenAPI2SpringBoot.java

@@ -28,7 +28,7 @@ import org.springframework.web.servlet.config.annotation.CorsRegistry;
 import org.springframework.web.servlet.config.annotation.WebMvcConfigurer;
 
 @SpringBootApplication
-@ComponentScan(basePackages = { "org.openapitools.codegen.online", "org.openapitools.codegen.online.api", "org.openapitools.codegen.online.configuration"})
+@ComponentScan(basePackages = {"org.openapitools.codegen.online", "org.openapitools.codegen.online.api", "org.openapitools.codegen.online.configuration"})
 public class OpenAPI2SpringBoot implements CommandLineRunner {
 
     @Override

modules/openapi-generator-online/src/main/java/org/openapitools/codegen/online/RFC3339DateFormat.java

@@ -26,14 +26,14 @@ import java.util.Date;
 
 public class RFC3339DateFormat extends ISO8601DateFormat {
 
-  private static final long serialVersionUID = 1L;
+    private static final long serialVersionUID = 1L;
 
-  // Same as ISO8601DateFormat but serializing milliseconds.
+    // Same as ISO8601DateFormat but serializing milliseconds.
-  @Override
+    @Override
-  public StringBuffer format(Date date, StringBuffer toAppendTo, FieldPosition fieldPosition) {
+    public StringBuffer format(Date date, StringBuffer toAppendTo, FieldPosition fieldPosition) {
-    String value = ISO8601Utils.format(date, true);
+        String value = ISO8601Utils.format(date, true);
-    toAppendTo.append(value);
+        toAppendTo.append(value);
-    return toAppendTo;
+        return toAppendTo;
-  }
+    }
 
 }

modules/openapi-generator-online/src/main/java/org/openapitools/codegen/online/api/ApiOriginFilter.java

@@ -17,16 +17,15 @@
 
 package org.openapitools.codegen.online.api;
 
-import java.io.IOException;
-
 import javax.servlet.*;
 import javax.servlet.http.HttpServletResponse;
+import java.io.IOException;
 
 
 public class ApiOriginFilter implements javax.servlet.Filter {
     @Override
     public void doFilter(ServletRequest request, ServletResponse response,
-            FilterChain chain) throws IOException, ServletException {
+                         FilterChain chain) throws IOException, ServletException {
         HttpServletResponse res = (HttpServletResponse) response;
         res.addHeader("Access-Control-Allow-Origin", "*");
         res.addHeader("Access-Control-Allow-Methods", "GET, POST, DELETE, PUT");

modules/openapi-generator-online/src/main/java/org/openapitools/codegen/online/api/GenApi.java

@@ -42,9 +42,9 @@ import java.util.Map;
 public interface GenApi {
     GenApiDelegate getDelegate();
 
-    @ApiOperation(value = "Gets languages supported by the client generator", nickname = "clientOptions", notes = "", response = String.class, responseContainer = "List", tags={ "clients", })
+    @ApiOperation(value = "Gets languages supported by the client generator", nickname = "clientOptions", notes = "", response = String.class, responseContainer = "List", tags = {"clients",})
     @ApiResponses(value = {
-            @ApiResponse(code = 200, message = "successful operation", response = String.class, responseContainer = "List") })
+            @ApiResponse(code = 200, message = "successful operation", response = String.class, responseContainer = "List")})
     @RequestMapping(value = "/gen/clients",
             method = RequestMethod.GET)
     default ResponseEntity<List<String>> clientOptions() {
@@ -52,62 +52,62 @@ public interface GenApi {
     }
 
 
-    @ApiOperation(value = "Downloads a pre-generated file", nickname = "downloadFile", notes = "A valid `fileId` is generated by the `/clients/{language}` or `/servers/{language}` POST operations.  The fileId code can be used just once, after which a new `fileId` will need to be requested.", response = MultipartFile.class, tags={ "clients","servers", })
+    @ApiOperation(value = "Downloads a pre-generated file", nickname = "downloadFile", notes = "A valid `fileId` is generated by the `/clients/{language}` or `/servers/{language}` POST operations.  The fileId code can be used just once, after which a new `fileId` will need to be requested.", response = MultipartFile.class, tags = {"clients", "servers",})
     @ApiResponses(value = {
-            @ApiResponse(code = 200, message = "successful operation", response = MultipartFile.class) })
+            @ApiResponse(code = 200, message = "successful operation", response = MultipartFile.class)})
     @RequestMapping(value = "/gen/download/{fileId}",
-            produces = { "application/octet-stream" },
+            produces = {"application/octet-stream"},
             method = RequestMethod.GET)
-    default ResponseEntity<Resource> downloadFile(@ApiParam(value = "",required=true) @PathVariable("fileId") String fileId) {
+    default ResponseEntity<Resource> downloadFile(@ApiParam(value = "", required = true) @PathVariable("fileId") String fileId) {
         return getDelegate().downloadFile(fileId);
     }
 
 
-    @ApiOperation(value = "Generates a client library", nickname = "generateClient", notes = "Accepts a `GeneratorInput` options map for spec location and generation options", response = ResponseCode.class, tags={ "clients", })
+    @ApiOperation(value = "Generates a client library", nickname = "generateClient", notes = "Accepts a `GeneratorInput` options map for spec location and generation options", response = ResponseCode.class, tags = {"clients",})
     @ApiResponses(value = {
-            @ApiResponse(code = 200, message = "successful operation", response = ResponseCode.class) })
+            @ApiResponse(code = 200, message = "successful operation", response = ResponseCode.class)})
     @RequestMapping(value = "/gen/clients/{language}",
             method = RequestMethod.POST)
-    default ResponseEntity<ResponseCode> generateClient(@ApiParam(value = "The target language for the client library",required=true) @PathVariable("language") String language,@ApiParam(value = "Configuration for building the client library" ,required=true )  @Valid @RequestBody GeneratorInput generatorInput) {
+    default ResponseEntity<ResponseCode> generateClient(@ApiParam(value = "The target language for the client library", required = true) @PathVariable("language") String language, @ApiParam(value = "Configuration for building the client library", required = true) @Valid @RequestBody GeneratorInput generatorInput) {
         return getDelegate().generateClient(language, generatorInput);
     }
 
 
-    @ApiOperation(value = "Generates a server library", nickname = "generateServerForLanguage", notes = "Accepts a `GeneratorInput` options map for spec location and generation options.", response = ResponseCode.class, tags={ "servers", })
+    @ApiOperation(value = "Generates a server library", nickname = "generateServerForLanguage", notes = "Accepts a `GeneratorInput` options map for spec location and generation options.", response = ResponseCode.class, tags = {"servers",})
     @ApiResponses(value = {
-            @ApiResponse(code = 200, message = "successful operation", response = ResponseCode.class) })
+            @ApiResponse(code = 200, message = "successful operation", response = ResponseCode.class)})
     @RequestMapping(value = "/gen/servers/{framework}",
             method = RequestMethod.POST)
-    default ResponseEntity<ResponseCode> generateServerForLanguage(@ApiParam(value = "framework",required=true) @PathVariable("framework") String framework,@ApiParam(value = "parameters" ,required=true )  @Valid @RequestBody GeneratorInput generatorInput) {
+    default ResponseEntity<ResponseCode> generateServerForLanguage(@ApiParam(value = "framework", required = true) @PathVariable("framework") String framework, @ApiParam(value = "parameters", required = true) @Valid @RequestBody GeneratorInput generatorInput) {
         return getDelegate().generateServerForLanguage(framework, generatorInput);
     }
 
 
-    @ApiOperation(value = "Returns options for a client library", nickname = "getClientOptions", notes = "", tags={ "clients", })
+    @ApiOperation(value = "Returns options for a client library", nickname = "getClientOptions", notes = "", tags = {"clients",})
     @ApiResponses(value = {
-            @ApiResponse(code = 200, message = "successful operation") })
+            @ApiResponse(code = 200, message = "successful operation")})
     @RequestMapping(value = "/gen/clients/{language}",
-            produces = { "application/json" },
+            produces = {"application/json"},
             method = RequestMethod.GET)
-    default ResponseEntity<Map<String, CliOption>> getClientOptions(@ApiParam(value = "The target language for the client library",required=true) @PathVariable("language") String language) {
+    default ResponseEntity<Map<String, CliOption>> getClientOptions(@ApiParam(value = "The target language for the client library", required = true) @PathVariable("language") String language) {
         return getDelegate().getClientOptions(language);
     }
 
 
-    @ApiOperation(value = "Returns options for a server framework", nickname = "getServerOptions", notes = "", tags={ "servers", })
+    @ApiOperation(value = "Returns options for a server framework", nickname = "getServerOptions", notes = "", tags = {"servers",})
     @ApiResponses(value = {
-            @ApiResponse(code = 200, message = "successful operation") })
+            @ApiResponse(code = 200, message = "successful operation")})
     @RequestMapping(value = "/gen/servers/{framework}",
-            produces = { "application/json" },
+            produces = {"application/json"},
             method = RequestMethod.GET)
-    default ResponseEntity<Map<String, CliOption>> getServerOptions(@ApiParam(value = "The target language for the server framework",required=true) @PathVariable("framework") String framework) {
+    default ResponseEntity<Map<String, CliOption>> getServerOptions(@ApiParam(value = "The target language for the server framework", required = true) @PathVariable("framework") String framework) {
         return getDelegate().getServerOptions(framework);
     }
 
 
-    @ApiOperation(value = "Gets languages supported by the server generator", nickname = "serverOptions", notes = "", response = String.class, responseContainer = "List", tags={ "servers", })
+    @ApiOperation(value = "Gets languages supported by the server generator", nickname = "serverOptions", notes = "", response = String.class, responseContainer = "List", tags = {"servers",})
     @ApiResponses(value = {
-            @ApiResponse(code = 200, message = "successful operation", response = String.class, responseContainer = "List") })
+            @ApiResponse(code = 200, message = "successful operation", response = String.class, responseContainer = "List")})
     @RequestMapping(value = "/gen/servers",
             method = RequestMethod.GET)
     default ResponseEntity<List<String>> serverOptions() {

modules/openapi-generator-online/src/main/java/org/openapitools/codegen/online/api/GenApiDelegate.java

@@ -42,12 +42,12 @@ public interface GenApiDelegate {
     }
 
     /**
-     * @see GenApi#clientOptions
      * @return A {@link ResponseEntity} listing options for the target client generator.
+     * @see GenApi#clientOptions
      */
     default ResponseEntity<List<String>> clientOptions() {
         getRequest().ifPresent(request -> {
-            for (MediaType mediaType: MediaType.parseMediaTypes(request.getHeader("Accept"))) {
+            for (MediaType mediaType : MediaType.parseMediaTypes(request.getHeader("Accept"))) {
                 if (mediaType.isCompatibleWith(MediaType.valueOf("*/*"))) {
                     ApiUtil.setExampleResponse(request, "*/*", "\"\"");
                     break;
@@ -60,24 +60,24 @@ public interface GenApiDelegate {
 
     /**
      * @param fileId The unique id of the file, provided in a {@link ResponseCode} response.
-     * @see GenApi#downloadFile
      * @return A {@link ResponseEntity} of the requested {@link Resource}.
+     * @see GenApi#downloadFile
      */
-    default ResponseEntity<Resource> downloadFile(String  fileId) {
+    default ResponseEntity<Resource> downloadFile(String fileId) {
         return new ResponseEntity<>(HttpStatus.NOT_IMPLEMENTED);
 
     }
 
     /**
-     * @param language The target generator (language is a misnomer here, but kept for API consistency).
+     * @param language       The target generator (language is a misnomer here, but kept for API consistency).
      * @param generatorInput The configuration settings to be used during client generation.
-     * @see GenApi#generateClient
      * @return A {@link ResponseEntity} referencing the unique download id and a link to download the requested client code.
+     * @see GenApi#generateClient
      */
-    default ResponseEntity<ResponseCode> generateClient( String  language,
+    default ResponseEntity<ResponseCode> generateClient(String language,
-         GeneratorInput  generatorInput) {
+                                                        GeneratorInput generatorInput) {
         getRequest().ifPresent(request -> {
-            for (MediaType mediaType: MediaType.parseMediaTypes(request.getHeader("Accept"))) {
+            for (MediaType mediaType : MediaType.parseMediaTypes(request.getHeader("Accept"))) {
                 if (mediaType.isCompatibleWith(MediaType.valueOf("*/*"))) {
                     ApiUtil.setExampleResponse(request, "*/*", "{  \"code\" : \"d40029be-eda6-4d62-b1ef-d05e2e91a72a\",  \"link\" : \"http://localhost:80/api/gen/download/d40029be-eda6-4d62-b1ef-d05e2e91a72a\"}");
                     break;
@@ -89,15 +89,15 @@ public interface GenApiDelegate {
     }
 
     /**
-     * @param framework The target generator name (framework is a slight misnomer here, as we may have a framework like Spring implemented in multiple languages).
+     * @param framework      The target generator name (framework is a slight misnomer here, as we may have a framework like Spring implemented in multiple languages).
      * @param generatorInput The configuration settings to be used during server generation.
-     * @see GenApi#generateServerForLanguage
      * @return A {@link ResponseEntity} referencing the unique download id and a link to download the requested server code.
+     * @see GenApi#generateServerForLanguage
      */
-    default ResponseEntity<ResponseCode> generateServerForLanguage( String  framework,
+    default ResponseEntity<ResponseCode> generateServerForLanguage(String framework,
-         GeneratorInput  generatorInput) {
+                                                                   GeneratorInput generatorInput) {
         getRequest().ifPresent(request -> {
-            for (MediaType mediaType: MediaType.parseMediaTypes(request.getHeader("Accept"))) {
+            for (MediaType mediaType : MediaType.parseMediaTypes(request.getHeader("Accept"))) {
                 if (mediaType.isCompatibleWith(MediaType.valueOf("*/*"))) {
                     ApiUtil.setExampleResponse(request, "*/*", "{  \"code\" : \"d40029be-eda6-4d62-b1ef-d05e2e91a72a\",  \"link\" : \"http://localhost:80/api/gen/download/d40029be-eda6-4d62-b1ef-d05e2e91a72a\"}");
                     break;
@@ -110,31 +110,31 @@ public interface GenApiDelegate {
 
     /**
      * @param language The target generator (language is a misnomer here, but kept for API consistency).
-     * @see GenApi#getClientOptions
      * @return A {@link ResponseEntity} of {@link CliOption}, grouped by language (generator name).
+     * @see GenApi#getClientOptions
      */
-    default ResponseEntity<Map<String, CliOption>> getClientOptions(String  language) {
+    default ResponseEntity<Map<String, CliOption>> getClientOptions(String language) {
         return new ResponseEntity<>(HttpStatus.NOT_IMPLEMENTED);
 
     }
 
     /**
      * @param framework The target generator name (framework is a slight misnomer here, as we may have a framework like Spring implemented in multiple languages).
-     * @see GenApi#getServerOptions
      * @return A {@link ResponseEntity} of {@link CliOption}, grouped by framework (generator name).
+     * @see GenApi#getServerOptions
      */
-    default ResponseEntity<Map<String, CliOption>> getServerOptions( String  framework) {
+    default ResponseEntity<Map<String, CliOption>> getServerOptions(String framework) {
         return new ResponseEntity<>(HttpStatus.NOT_IMPLEMENTED);
 
     }
 
     /**
-     * @see GenApi#serverOptions
      * @return A {@link ResponseEntity} listing options for the target server generator.
+     * @see GenApi#serverOptions
      */
     default ResponseEntity<List<String>> serverOptions() {
         getRequest().ifPresent(request -> {
-            for (MediaType mediaType: MediaType.parseMediaTypes(request.getHeader("Accept"))) {
+            for (MediaType mediaType : MediaType.parseMediaTypes(request.getHeader("Accept"))) {
                 if (mediaType.isCompatibleWith(MediaType.valueOf("*/*"))) {
                     ApiUtil.setExampleResponse(request, "*/*", "\"\"");
                     break;

modules/openapi-generator-online/src/main/java/org/openapitools/codegen/online/configuration/OpenAPIDocumentationConfig.java

@@ -18,6 +18,9 @@
 package org.openapitools.codegen.online.configuration;
 
 import com.fasterxml.jackson.databind.JsonNode;
+import org.apache.commons.lang3.StringUtils;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
 import org.springframework.context.annotation.Bean;
 import org.springframework.context.annotation.Configuration;
 import org.springframework.core.io.Resource;
@@ -28,17 +31,14 @@ import springfox.documentation.service.Contact;
 import springfox.documentation.spi.DocumentationType;
 import springfox.documentation.spring.web.plugins.Docket;
 import springfox.documentation.swagger2.annotations.EnableSwagger2;
-import org.apache.commons.lang3.StringUtils;
-import org.slf4j.Logger;
-import org.slf4j.LoggerFactory;
 
 import java.io.IOException;
 import java.io.InputStream;
 import java.net.URI;
 import java.net.URISyntaxException;
+import java.util.HashSet;
 import java.util.Properties;
 import java.util.Set;
-import java.util.HashSet;
 
 
 @Configuration
@@ -59,22 +59,22 @@ public class OpenAPIDocumentationConfig {
         String version = properties.getProperty("version", "unknown");
 
         return new ApiInfoBuilder()
-            .title("OpenAPI Generator Online")
+                .title("OpenAPI Generator Online")
-            .description("This is an online openapi generator server.  You can find out more at https://github.com/OpenAPITools/openapi-generator.")
+                .description("This is an online openapi generator server.  You can find out more at https://github.com/OpenAPITools/openapi-generator.")
-            .license("Apache 2.0")
+                .license("Apache 2.0")
-            .licenseUrl("https://www.apache.org/licenses/LICENSE-2.0.html")
+                .licenseUrl("https://www.apache.org/licenses/LICENSE-2.0.html")
-            .termsOfServiceUrl("")
+                .termsOfServiceUrl("")
-            .version(version)
+                .version(version)
-            .contact(new Contact("","", ""))
+                .contact(new Contact("", "", ""))
-            .build();
+                .build();
     }
 
     @Bean
-    public Docket customImplementation(){
+    public Docket customImplementation() {
         Docket docket = new Docket(DocumentationType.SWAGGER_2)
                 .select()
-                    .apis(RequestHandlerSelectors.basePackage("org.openapitools.codegen.online.api"))
+                .apis(RequestHandlerSelectors.basePackage("org.openapitools.codegen.online.api"))
-                    .build()
+                .build()
                 .forCodeGeneration(true)
                 .directModelSubstitute(java.time.LocalDate.class, java.sql.Date.class)
                 .directModelSubstitute(java.time.OffsetDateTime.class, java.util.Date.class)
@@ -99,7 +99,7 @@ public class OpenAPIDocumentationConfig {
                     docket.host(authority);
                 }
                 docket.pathMapping(hostURI.getPath());
-            } catch(URISyntaxException e) {
+            } catch (URISyntaxException e) {
                 LOGGER.warn("Could not parse configured GENERATOR_HOST '" + hostString + "': " + e.getMessage());
             }
         }

modules/openapi-generator-online/src/main/java/org/openapitools/codegen/online/model/ApiResponse.java

@@ -35,7 +35,8 @@ public class ApiResponse {
     @Getter String type;
     @Getter String message;
 
-    public ApiResponse() {}
+    public ApiResponse() {
+    }
 
     public ApiResponse(int code, String message) {
         this.code = code;

modules/openapi-generator-online/src/main/java/org/openapitools/codegen/online/model/Generated.java

@@ -20,7 +20,8 @@ package org.openapitools.codegen.online.model;
 import lombok.Getter;
 import lombok.Setter;
 
-@Getter @Setter 
+@Getter
+@Setter
 public class Generated {
     private String filename;
     private String friendlyName;

modules/openapi-generator-online/src/main/java/org/openapitools/codegen/online/model/ResponseCode.java

@@ -22,7 +22,9 @@ import lombok.AllArgsConstructor;
 import lombok.NoArgsConstructor;
 import lombok.Setter;
 
-@Setter @NoArgsConstructor @AllArgsConstructor
+@Setter
+@NoArgsConstructor
+@AllArgsConstructor
 public class ResponseCode {
     private String code;
     private String link;

modules/openapi-generator-online/src/main/java/org/openapitools/codegen/online/service/Generator.java

@@ -22,11 +22,7 @@ import io.swagger.parser.OpenAPIParser;
 import io.swagger.v3.oas.models.OpenAPI;
 import io.swagger.v3.parser.core.models.AuthorizationValue;
 import io.swagger.v3.parser.core.models.ParseOptions;
-import org.openapitools.codegen.CliOption;
+import org.openapitools.codegen.*;
-import org.openapitools.codegen.ClientOptInput;
-import org.openapitools.codegen.CodegenConfig;
-import org.openapitools.codegen.CodegenConfigLoader;
-import org.openapitools.codegen.DefaultGenerator;
 import org.openapitools.codegen.online.model.GeneratorInput;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
@@ -35,11 +31,7 @@ import org.springframework.web.server.ResponseStatusException;
 
 import java.io.File;
 import java.nio.file.Files;
-import java.util.ArrayList;
+import java.util.*;
-import java.util.LinkedHashMap;
-import java.util.List;
-import java.util.Locale;
-import java.util.Map;
 
 public class Generator {
     private static Logger LOGGER = LoggerFactory.getLogger(Generator.class);
@@ -49,7 +41,7 @@ public class Generator {
         try {
             config = CodegenConfigLoader.forName(language);
         } catch (Exception e) {
-            throw new ResponseStatusException(HttpStatus.NOT_FOUND, String.format(Locale.ROOT,"Unsupported target %s supplied. %s",
+            throw new ResponseStatusException(HttpStatus.NOT_FOUND, String.format(Locale.ROOT, "Unsupported target %s supplied. %s",
                     language, e));
         }
         Map<String, CliOption> map = new LinkedHashMap<>();
@@ -82,7 +74,7 @@ public class Generator {
     }
 
     private static String generate(String language, GeneratorInput opts, Type type) {
-        LOGGER.debug(String.format(Locale.ROOT,"generate %s for %s", type.getTypeName(), language));
+        LOGGER.debug(String.format(Locale.ROOT, "generate %s for %s", type.getTypeName(), language));
         if (opts == null) {
             throw new ResponseStatusException(HttpStatus.BAD_REQUEST, "No options were supplied");
         }
@@ -141,13 +133,13 @@ public class Generator {
             codegenConfig.additionalProperties().put("openAPI", openapi);
         }
 
-        if(opts.getOpenapiNormalizer() != null && !opts.getOpenapiNormalizer().isEmpty()){
+        if (opts.getOpenapiNormalizer() != null && !opts.getOpenapiNormalizer().isEmpty()) {
-            for(String rule: opts.getOpenapiNormalizer()){
+            for (String rule : opts.getOpenapiNormalizer()) {
                 String[] ruleOperands = rule.split("=");
-                if(ruleOperands.length != 2) {
+                if (ruleOperands.length != 2) {
                     throw new ResponseStatusException(HttpStatus.BAD_REQUEST, "In rule: " + rule + "the operands were not provided in the form of <Rule>=<Value>");
                 }
-                codegenConfig.openapiNormalizer().put(ruleOperands[0],ruleOperands[1]);
+                codegenConfig.openapiNormalizer().put(ruleOperands[0], ruleOperands[1]);
             }
         }
 

modules/openapi-generator-online/src/main/java/org/openapitools/codegen/online/service/ZipUtil.java

@@ -17,12 +17,7 @@
 
 package org.openapitools.codegen.online.service;
 
-import java.io.BufferedInputStream;
+import java.io.*;
-import java.io.File;
-import java.io.FileInputStream;
-import java.io.FileNotFoundException;
-import java.io.FileOutputStream;
-import java.io.IOException;
 import java.util.List;
 import java.util.zip.ZipEntry;
 import java.util.zip.ZipOutputStream;
@@ -32,7 +27,6 @@ import java.util.zip.ZipOutputStream;
  * sub files and sub directories, recursively.
  *
  * @author Ha Minh Nam
- *
  */
 public class ZipUtil {
     /**
@@ -43,10 +37,10 @@ public class ZipUtil {
     /**
      * Compresses a collection of files to a destination zip file.
      *
-     * @param listFiles A collection of files and directories
+     * @param listFiles   A collection of files and directories
      * @param destZipFile The path of the destination zip file
      * @throws FileNotFoundException if file not found
-     * @throws IOException if IO exception occurs
+     * @throws IOException           if IO exception occurs
      */
     public void compressFiles(List<File> listFiles, String destZipFile)
             throws IOException {
@@ -69,11 +63,11 @@ public class ZipUtil {
     /**
      * Adds a directory to the current zip output stream.
      *
-     * @param folder the directory to be added
+     * @param folder       the directory to be added
      * @param parentFolder the path of parent directory
-     * @param zos the current zip output stream
+     * @param zos          the current zip output stream
      * @throws FileNotFoundException if file not found
-     * @throws IOException if IO exception occurs
+     * @throws IOException           if IO exception occurs
      */
     private void addFolderToZip(File folder, String parentFolder, ZipOutputStream zos)
             throws FileNotFoundException, IOException {
@@ -103,9 +97,9 @@ public class ZipUtil {
      * Adds a file to the current zip output stream.
      *
      * @param file the file to be added
-     * @param zos the current zip output stream
+     * @param zos  the current zip output stream
      * @throws FileNotFoundException if file not found
-     * @throws IOException if IO exception occurs
+     * @throws IOException           if IO exception occurs
      */
     private static void addFileToZip(File file, ZipOutputStream zos) throws FileNotFoundException,
             IOException {

modules/openapi-generator-online/src/test/java/org/openapitools/codegen/online/api/GenApiControllerTest.java

@@ -88,8 +88,8 @@ public class GenApiControllerTest {
 
     private void generateAndDownload(String type, String name) throws Exception {
         String result = mockMvc.perform(post("http://test.com:1234/api/gen/" + type + "/" + name)
-                .contentType(MediaType.APPLICATION_JSON)
+                        .contentType(MediaType.APPLICATION_JSON)
-                .content("{\"openAPIUrl\": \"" + OPENAPI_URL + "\"}"))
+                        .content("{\"openAPIUrl\": \"" + OPENAPI_URL + "\"}"))
                 .andExpect(status().isOk())
                 .andExpect(content().contentType(MediaType.APPLICATION_JSON))
                 .andExpect(jsonPath("$.code").value(matchesPattern(UUID_REGEX)))
@@ -107,11 +107,11 @@ public class GenApiControllerTest {
     @Test
     public void generateWIthForwardedHeaders() throws Exception {
         String result = mockMvc.perform(post("http://test.com:1234/api/gen/clients/java")
-                .contentType(MediaType.APPLICATION_JSON)
+                        .contentType(MediaType.APPLICATION_JSON)
-                .header("X-Forwarded-Proto", "https")
+                        .header("X-Forwarded-Proto", "https")
-                .header("X-Forwarded-Host", "forwarded.com")
+                        .header("X-Forwarded-Host", "forwarded.com")
-                .header("X-Forwarded-Port", "5678")
+                        .header("X-Forwarded-Port", "5678")
-                .content("{\"openAPIUrl\": \"" + OPENAPI_URL + "\"}"))
+                        .content("{\"openAPIUrl\": \"" + OPENAPI_URL + "\"}"))
                 .andExpect(status().isOk())
                 .andExpect(content().contentType(MediaType.APPLICATION_JSON))
                 .andExpect(jsonPath("$.code").value(matchesPattern(UUID_REGEX)))
@@ -141,8 +141,8 @@ public class GenApiControllerTest {
         String withoutOpenAPINormalizer = "{\"openAPIUrl\":\"https://raw.githubusercontent.com/OpenAPITools/openapi-generator/master/modules/openapi-generator/src/test/resources/2_0/petstore.yaml\",\"options\":{},\"spec\":{}}";
 
         String responseOfNormalized = mockMvc.perform(post("http://test.com:1234/api/gen/clients/java")
-                .contentType(MediaType.APPLICATION_JSON)
+                        .contentType(MediaType.APPLICATION_JSON)
-                .content(withOpenAPINormalizer))
+                        .content(withOpenAPINormalizer))
                 .andExpect(status().isOk()).andReturn().getResponse().getContentAsString();
         String codeOfNormalized = new ObjectMapper().readValue(responseOfNormalized, ResponseCode.class).getCode();
         Long lengthOfNormalized = Long.parseLong(mockMvc.perform(get("http://test.com:1234/api/gen/download/" + codeOfNormalized))
@@ -159,7 +159,7 @@ public class GenApiControllerTest {
                 .andExpect(content().contentType("application/zip"))
                 .andExpect(status().isOk()).andReturn().getResponse().getHeader("Content-Length"));
 
-        Assert.isTrue(lengthOfNormalized <= lengthOfNotNormalized,"Using the normalizer should result in a smaller or equal file size");
+        Assert.isTrue(lengthOfNormalized <= lengthOfNotNormalized, "Using the normalizer should result in a smaller or equal file size");
 
     }
 }

modules/openapi-generator/src/main/java/org/openapitools/codegen/CliOption.java

@@ -60,7 +60,7 @@ public class CliOption {
     }
 
     public void setOptValue(String optValue) {
-        if (this.enumValues!=null && this.enumValues.containsKey(optValue)) {
+        if (this.enumValues != null && this.enumValues.containsKey(optValue)) {
             this.optValue = optValue;
         } else {
             this.optValue = null;
@@ -88,7 +88,7 @@ public class CliOption {
     /**
      * Create new boolean command line option with a default of false
      *
-     * @param opt Option name
+     * @param opt         Option name
      * @param description Option description
      * @return the CliOption created
      */
@@ -99,8 +99,8 @@ public class CliOption {
     /**
      * Create new boolean command line option with the provided value as default
      *
-     * @param opt Option name
+     * @param opt          Option name
-     * @param description Option description
+     * @param description  Option description
      * @param defaultValue the default value to use if option not specified
      * @return the CliOption created
      */
@@ -115,7 +115,7 @@ public class CliOption {
     @JsonIgnore
     public String getOptionHelp() {
         StringBuilder sb = new StringBuilder(description);
-        if(defaultValue != null) {
+        if (defaultValue != null) {
             sb.append(" (Default: ").append(defaultValue).append(")");
         }
         if (enumValues != null) {

modules/openapi-generator/src/main/java/org/openapitools/codegen/ClientOptInput.java

@@ -19,7 +19,6 @@ package org.openapitools.codegen;
 
 import io.swagger.v3.oas.models.OpenAPI;
 import io.swagger.v3.parser.core.models.AuthorizationValue;
-
 import lombok.Getter;
 import org.openapitools.codegen.api.TemplateDefinition;
 import org.openapitools.codegen.auth.AuthParser;
@@ -84,8 +83,8 @@ public class ClientOptInput {
     /**
      * Sets the generator/config instance
      *
-     * @deprecated use {@link #config(CodegenConfig)} instead
      * @param config codegen config
+     * @deprecated use {@link #config(CodegenConfig)} instead
      */
     @Deprecated
     public void setConfig(CodegenConfig config) {
@@ -118,8 +117,8 @@ public class ClientOptInput {
     /**
      * Sets the OpenAPI document
      *
-     * @deprecated use {@link #openAPI(OpenAPI)} instead
      * @param openAPI the specification
+     * @deprecated use {@link #openAPI(OpenAPI)} instead
      */
     @Deprecated
     public void setOpenAPI(OpenAPI openAPI) {

modules/openapi-generator/src/main/java/org/openapitools/codegen/CodegenCallback.java

@@ -38,6 +38,7 @@ public class CodegenCallback {
             return Objects.equals(that.expression, expression) &&
                     Objects.equals(that.requests, requests) && Objects.equals(that.vendorExtensions, vendorExtensions);
         }
+
         @Override
         public int hashCode() {
             return Objects.hash(expression, requests, vendorExtensions);

modules/openapi-generator/src/main/java/org/openapitools/codegen/CodegenComposedSchemas.java

@@ -19,9 +19,11 @@ package org.openapitools.codegen;
 import lombok.Getter;
 import lombok.Setter;
 
-import java.util.*;
+import java.util.List;
+import java.util.Objects;
 
-@Getter @Setter
+@Getter
+@Setter
 public class CodegenComposedSchemas {
     private List<CodegenProperty> allOf;
     private List<CodegenProperty> oneOf;

modules/openapi-generator/src/main/java/org/openapitools/codegen/CodegenConstants.java

@@ -372,9 +372,9 @@ public class CodegenConstants {
 
     public static final String GENERATE_ALIAS_AS_MODEL = "generateAliasAsModel";
     public static final String GENERATE_ALIAS_AS_MODEL_DESC = "Generate model implementation for aliases to map and array schemas. " +
-        "An 'alias' is an array, map, or list which is defined inline in a OpenAPI document and becomes a model in the generated code. " +
+            "An 'alias' is an array, map, or list which is defined inline in a OpenAPI document and becomes a model in the generated code. " +
-        "A 'map' schema is an object that can have undeclared properties, i.e. the 'additionalproperties' attribute is set on that object. " +
+            "A 'map' schema is an object that can have undeclared properties, i.e. the 'additionalproperties' attribute is set on that object. " +
-        "An 'array' schema is a list of sub schemas in a OAS document";
+            "An 'array' schema is a list of sub schemas in a OAS document";
 
     public static final String USE_COMPARE_NET_OBJECTS = "useCompareNetObjects";
     public static final String USE_COMPARE_NET_OBJECTS_DESC = "Use KellermanSoftware.CompareNetObjects for deep recursive object comparison. WARNING: this option incurs potential performance impact.";
@@ -405,16 +405,16 @@ public class CodegenConstants {
 
     public static final String DISALLOW_ADDITIONAL_PROPERTIES_IF_NOT_PRESENT = "disallowAdditionalPropertiesIfNotPresent";
     public static final String DISALLOW_ADDITIONAL_PROPERTIES_IF_NOT_PRESENT_DESC =
-        "If false, the 'additionalProperties' implementation (set to true by default) is compliant with the OAS and JSON schema specifications. " +
+            "If false, the 'additionalProperties' implementation (set to true by default) is compliant with the OAS and JSON schema specifications. " +
-        "If true (default), keep the old (incorrect) behaviour that 'additionalProperties' is set to false by default.";
+                    "If true (default), keep the old (incorrect) behaviour that 'additionalProperties' is set to false by default.";
 
     public static final String UNSUPPORTED_V310_SPEC_MSG =
-                    "OpenAPI 3.1 support is still in beta. To report an issue related to 3.1 spec, please kindly open an issue in the Github repo: https://github.com/openAPITools/openapi-generator.";
+            "OpenAPI 3.1 support is still in beta. To report an issue related to 3.1 spec, please kindly open an issue in the Github repo: https://github.com/openAPITools/openapi-generator.";
 
     public static final String ENUM_UNKNOWN_DEFAULT_CASE = "enumUnknownDefaultCase";
     public static final String ENUM_UNKNOWN_DEFAULT_CASE_DESC =
             "If the server adds new enum cases, that are unknown by an old spec/client, the client will fail to parse the network response." +
-            "With this option enabled, each enum will have a new case, 'unknown_default_open_api', so that when the server sends an enum case that is not known by the client/spec, they can safely fallback to this case.";
+                    "With this option enabled, each enum will have a new case, 'unknown_default_open_api', so that when the server sends an enum case that is not known by the client/spec, they can safely fallback to this case.";
 
     public static final String USE_ONEOF_DISCRIMINATOR_LOOKUP = "useOneOfDiscriminatorLookup";
     public static final String USE_ONEOF_DISCRIMINATOR_LOOKUP_DESC = "Use the discriminator's mapping in oneOf to speed up the model lookup. IMPORTANT: Validation (e.g. one and only one match in oneOf's schemas) will be skipped.";
@@ -438,7 +438,7 @@ public class CodegenConstants {
     public static final String FASTAPI_IMPLEMENTATION_PACKAGE = "fastapiImplementationPackage";
 
     public static final String WITH_XML = "withXml";
-    
+
     public static final String WITH_GO_MOD = "withGoMod";
 
     public static final String GENERATE_MARSHAL_JSON = "generateMarshalJSON";

modules/openapi-generator/src/main/java/org/openapitools/codegen/CodegenDiscriminator.java

@@ -8,7 +8,7 @@ import java.util.*;
 /**
  * This class encapsulates the OpenAPI discriminator construct, as specified at
  * https://github.com/OAI/OpenAPI-Specification/blob/master/versions/3.0.3.md#discriminatorObject.
- *
+ * <p>
  * When request bodies or response payloads may be one of a number of different schemas,
  * a discriminator object can be used to aid in serialization, deserialization, and validation.
  * The discriminator is a specific object in a schema which is used to inform the consumer of
@@ -57,18 +57,18 @@ public class CodegenDiscriminator {
     public void setIsEnum(boolean isEnum) {
         this.isEnum = isEnum;
     }
-    
+
     /**
      * An object to hold discriminator mappings between payload values and schema names or
      * references.
-     *
+     * <p>
      * In the OpenAPI document, the discriminator "mapping" attribute is optional.
      * In scenarios where the value of the discriminator field does not match the schema name
      * or implicit mapping is not possible, an optional mapping definition MAY be used.
      * In OpenAPITools codegen, the MappedModel is the union of all the discriminator mappings,
      * both explicitly defined in the OpenAPI document and inherited from oneOf/allOf/anyOf.
      */
-    public static class MappedModel implements Comparable<MappedModel>{
+    public static class MappedModel implements Comparable<MappedModel> {
         // The value of the discriminator property in the payload.
         @Getter @Setter
         private String mappingName;

modules/openapi-generator/src/main/java/org/openapitools/codegen/CodegenMediaType.java

@@ -8,7 +8,8 @@ import java.util.LinkedHashMap;
 import java.util.Map;
 import java.util.Objects;
 
-@Getter public class CodegenMediaType {
+@Getter
+public class CodegenMediaType {
     private CodegenProperty schema;
     private LinkedHashMap<String, CodegenEncoding> encoding;
     private HashMap<String, SchemaTestCase> testCases = new HashMap<>();
@@ -47,7 +48,7 @@ import java.util.Objects;
         if (this == o) return true;
         if (o == null || getClass() != o.getClass()) return false;
         CodegenMediaType that = (CodegenMediaType) o;
-        return Objects.equals(schema,that.getSchema()) &&
+        return Objects.equals(schema, that.getSchema()) &&
                 Objects.equals(encoding, that.getEncoding()) &&
                 Objects.equals(vendorExtensions, that.vendorExtensions);
     }

modules/openapi-generator/src/main/java/org/openapitools/codegen/CodegenModel.java

@@ -19,13 +19,12 @@ package org.openapitools.codegen;
 
 import com.fasterxml.jackson.annotation.JsonIgnoreProperties;
 import io.swagger.v3.oas.models.ExternalDocumentation;
-
-import java.util.*;
-
 import lombok.Getter;
 import lombok.Setter;
 import org.apache.commons.lang3.StringUtils;
 
+import java.util.*;
+
 /**
  * CodegenModel represents a schema object in a OpenAPI document.
  */
@@ -85,39 +84,39 @@ public class CodegenModel implements IJsonSchemaValidationProperties {
     public String unescapedDescription;
     /**
      * -- GETTER --
-     *  Returns the discriminator for this schema object, or null if no discriminator has been specified.
+     * Returns the discriminator for this schema object, or null if no discriminator has been specified.
-     *  The list of all possible schema discriminator mapping values is obtained
+     * The list of all possible schema discriminator mapping values is obtained
-     *  from explicit discriminator mapping values in the OpenAPI document, and from
+     * from explicit discriminator mapping values in the OpenAPI document, and from
-     *  inherited discriminators through oneOf, allOf, anyOf.
+     * inherited discriminators through oneOf, allOf, anyOf.
-     *  For example, a discriminator may be defined in a 'Pet' schema as shown below.
+     * For example, a discriminator may be defined in a 'Pet' schema as shown below.
-     *  The Dog and Cat schemas inherit the discriminator through the allOf reference.
+     * The Dog and Cat schemas inherit the discriminator through the allOf reference.
-     *  In the 'Pet' schema, the supported discriminator mapping values for the
+     * In the 'Pet' schema, the supported discriminator mapping values for the
-     *  'objectType' properties are 'Dog' and 'Cat'.
+     * 'objectType' properties are 'Dog' and 'Cat'.
-     *  The allowed discriminator mapping value for the Dog schema is 'Dog'.
+     * The allowed discriminator mapping value for the Dog schema is 'Dog'.
-     *  The allowed discriminator mapping value for the Cat schema is 'Dog'.
+     * The allowed discriminator mapping value for the Cat schema is 'Dog'.
-     *  Pet:
+     * Pet:
-     *    type: object
+     * type: object
-     *    discriminator:
+     * discriminator:
-     *      propertyName: objectType
+     * propertyName: objectType
-     *    required:
+     * required:
-     *      - objectType
+     * - objectType
-     *    properties:
+     * properties:
-     *      objectType:
+     * objectType:
-     *      type: string
+     * type: string
-     *  Dog:
+     * Dog:
-     *    allOf:
+     * allOf:
-     *    - $ref: '#/components/schemas/Pet'
+     * - $ref: '#/components/schemas/Pet'
-     *    - type: object
+     * - type: object
-     *      properties:
+     * properties:
-     *        p1:
+     * p1:
-     *          type: string
+     * type: string
-     *  Cat:
+     * Cat:
-     *    allOf:
+     * allOf:
-     *    - $ref: '#/components/schemas/Pet'
+     * - $ref: '#/components/schemas/Pet'
-     *    - type: object
+     * - type: object
-     *      properties:
+     * properties:
-     *        p2:
+     * p2:
-     *          type: string
+     * type: string
      *
      * @return the discriminator.
      */
@@ -174,7 +173,9 @@ public class CodegenModel implements IJsonSchemaValidationProperties {
     public boolean isArray;
     public boolean hasChildren;
     public boolean isMap;
-    /** datatype is the generic inner parameter of a std::optional for C++, or Optional (Java) */
+    /**
+     * datatype is the generic inner parameter of a std::optional for C++, or Optional (Java)
+     */
     public boolean isOptional;
     public boolean isNull;
     public boolean isVoid = false;
@@ -208,7 +209,7 @@ public class CodegenModel implements IJsonSchemaValidationProperties {
     /**
      * The type of the value for the additionalProperties keyword in the OAS document.
      * Used in map like objects, including composed schemas.
-     *
+     * <p>
      * In most programming languages, the additional (undeclared) properties are stored
      * in a map data structure, such as HashMap in Java, map in golang, or a dict in Python.
      * There are multiple ways to implement the additionalProperties keyword, depending
@@ -218,24 +219,23 @@ public class CodegenModel implements IJsonSchemaValidationProperties {
      * In that case 'CodegenModel.parent' is set to represent the class hierarchy.
      * Another way is to use CodegenModel.additionalPropertiesType. A code generator
      * such as Python does not use class inheritance to model additional properties.
-     *
+     * <p>
      * For example, in the OAS schema below, the schema has a declared 'id' property
      * and additional, undeclared properties of type 'integer' are allowed.
-     *
+     * <p>
      * type: object
      * properties:
-     *   id:
+     * id:
-     *     type: integer
+     * type: integer
      * additionalProperties:
-     *   type: integer
+     * type: integer
-     *
      */
     @Getter @Setter
     public String additionalPropertiesType;
 
     /**
      * True if additionalProperties is set to true (boolean value), any type, free form object, etc
-     *
+     * <p>
      * TODO: we may rename this to isAdditionalPropertiesEnabled or something
      * else to avoid confusions
      */
@@ -758,14 +758,22 @@ public class CodegenModel implements IJsonSchemaValidationProperties {
     }
 
     @Override
-    public boolean getIsUuid() { return isUuid; }
+    public boolean getIsUuid() {
+        return isUuid;
+    }
 
     @Override
-    public void setIsUuid(boolean isUuid) { this.isUuid = isUuid; }
+    public void setIsUuid(boolean isUuid) {
+        this.isUuid = isUuid;
+    }
 
-    public boolean getIsUri() { return isUri; }
+    public boolean getIsUri() {
+        return isUri;
+    }
 
-    public void setIsUri(boolean isUri) { this.isUri = isUri; }
+    public void setIsUri(boolean isUri) {
+        this.isUri = isUri;
+    }
 
     @Override
     public void setComposedSchemas(CodegenComposedSchemas composedSchemas) {
@@ -833,7 +841,8 @@ public class CodegenModel implements IJsonSchemaValidationProperties {
     }
 
     @Override
-    public void setIsBinary(boolean isBinary) {}
+    public void setIsBinary(boolean isBinary) {
+    }
 
     @Override
     public boolean getIsByteArray() {
@@ -841,7 +850,8 @@ public class CodegenModel implements IJsonSchemaValidationProperties {
     }
 
     @Override
-    public void setIsByteArray(boolean isByteArray) {}
+    public void setIsByteArray(boolean isByteArray) {
+    }
 
     @Override
     public boolean getIsDecimal() {
@@ -1005,7 +1015,7 @@ public class CodegenModel implements IJsonSchemaValidationProperties {
         sb.append(", parent='").append(parent).append('\'');
         sb.append(", parentSchema='").append(parentSchema).append('\'');
         sb.append(", interfaces=").append(interfaces);
-        sb.append(", interfaceModels=").append(interfaceModels !=null ? interfaceModels.size() : "[]");
+        sb.append(", interfaceModels=").append(interfaceModels != null ? interfaceModels.size() : "[]");
         sb.append(", allParents=").append(allParents);
         sb.append(", parentModel=").append(parentModel);
         sb.append(", children=").append(children != null ? children.size() : "[]");
@@ -1141,10 +1151,14 @@ public class CodegenModel implements IJsonSchemaValidationProperties {
     }
 
     @Override
-    public Map<String, CodegenProperty> getRequiredVarsMap() { return requiredVarsMap; }
+    public Map<String, CodegenProperty> getRequiredVarsMap() {
+        return requiredVarsMap;
+    }
 
     @Override
-    public void setRequiredVarsMap(Map<String, CodegenProperty> requiredVarsMap) { this.requiredVarsMap=requiredVarsMap; }
+    public void setRequiredVarsMap(Map<String, CodegenProperty> requiredVarsMap) {
+        this.requiredVarsMap = requiredVarsMap;
+    }
 
     /**
      * Remove duplicated properties in all variable list

modules/openapi-generator/src/main/java/org/openapitools/codegen/CodegenModelFactory.java

@@ -24,7 +24,8 @@ public final class CodegenModelFactory {
     public static <T> T newInstance(CodegenModelType type) {
         try {
             return (T) type.getDefaultImplementation().getDeclaredConstructor().newInstance();
-        } catch (IllegalAccessException | InstantiationException | NoSuchMethodException | InvocationTargetException e) {
+        } catch (IllegalAccessException | InstantiationException | NoSuchMethodException |
+                 InvocationTargetException e) {
             throw new RuntimeException(e);
         }
     }

modules/openapi-generator/src/main/java/org/openapitools/codegen/CodegenModelType.java

@@ -19,7 +19,8 @@ package org.openapitools.codegen;
 
 import lombok.Getter;
 
-@Getter public enum CodegenModelType {
+@Getter
+public enum CodegenModelType {
 
     MODEL(CodegenModel.class),
     OPERATION(CodegenOperation.class),

modules/openapi-generator/src/main/java/org/openapitools/codegen/CodegenOperation.java

@@ -220,7 +220,9 @@ public class CodegenOperation {
      *
      * @return true if responses contain only 1 entry and it's a default response, false otherwise
      */
-    public boolean getHasOnlyDefaultResponse() { return responses.size() == 1 && getHasDefaultResponse(); }
+    public boolean getHasOnlyDefaultResponse() {
+        return responses.size() == 1 && getHasDefaultResponse();
+    }
 
     public boolean getAllResponsesAreErrors() {
         return responses.stream().allMatch(response -> response.is4xx || response.is5xx);
@@ -237,7 +239,7 @@ public class CodegenOperation {
             return null;
         }
         LinkedHashMap<String, CodegenMediaType> content = bodyParam.getContent();
-        for (String contentType: content.keySet()) {
+        for (String contentType : content.keySet()) {
             contentTypeToOperation.put(contentType, this);
         }
         return contentTypeToOperation;

modules/openapi-generator/src/main/java/org/openapitools/codegen/CodegenParameter.java

@@ -17,17 +17,12 @@
 
 package org.openapitools.codegen;
 
-import java.util.ArrayList;
-import java.util.HashMap;
-import java.util.LinkedHashMap;
-import java.util.List;
-import java.util.Map;
-import java.util.Objects;
-
 import io.swagger.v3.oas.models.examples.Example;
 import lombok.Getter;
 import lombok.Setter;
 
+import java.util.*;
+
 /**
  * Describes a single operation parameter in the OAS specification.
  * A unique parameter is defined by a combination of a name and location.
@@ -50,7 +45,9 @@ public class CodegenParameter implements IJsonSchemaValidationProperties {
     public boolean isString, isNumeric, isInteger, isLong, isNumber, isFloat, isDouble, isDecimal, isByteArray, isBinary,
             isBoolean, isDate, isDateTime, isUuid, isUri, isEmail, isPassword, isFreeFormObject, isAnyType, isShort, isUnboundedInteger;
     public boolean isArray, isMap;
-    /** datatype is the generic inner parameter of a std::optional for C++, or Optional (Java) */
+    /**
+     * datatype is the generic inner parameter of a std::optional for C++, or Optional (Java)
+     */
     public boolean isOptional;
     public boolean isFile;
     public boolean isEnum;
@@ -291,7 +288,7 @@ public class CodegenParameter implements IJsonSchemaValidationProperties {
                 items, mostInnerItems, additionalProperties, vars, requiredVars, vendorExtensions, hasValidation,
                 getMaxProperties(), getMinProperties(), isNullable, isDeprecated, required, getMaximum(),
                 getExclusiveMaximum(), getMinimum(), getExclusiveMinimum(), getMaxLength(), getMinLength(),
-                getPattern(), getMaxItems(), getMinItems(), getUniqueItems(), contentType, multipleOf, isNull,isVoid,
+                getPattern(), getMaxItems(), getMinItems(), getUniqueItems(), contentType, multipleOf, isNull, isVoid,
                 additionalPropertiesIsAnyType, hasVars, hasRequired, isShort, isUnboundedInteger,
                 hasDiscriminatorWithNonEmptyMapping, composedSchemas, hasMultipleTypes, schema, content,
                 requiredVarsMap, ref, uniqueItemsBoolean, schemaIsFromAdditionalProperties,

modules/openapi-generator/src/main/java/org/openapitools/codegen/CodegenProperty.java

@@ -20,12 +20,7 @@ package org.openapitools.codegen;
 import lombok.Getter;
 import lombok.Setter;
 
-import java.util.ArrayList;
+import java.util.*;
-import java.util.HashMap;
-import java.util.LinkedHashMap;
-import java.util.List;
-import java.util.Map;
-import java.util.Objects;
 
 public class CodegenProperty implements Cloneable, IJsonSchemaValidationProperties {
     /**
@@ -178,7 +173,9 @@ public class CodegenProperty implements Cloneable, IJsonSchemaValidationProperti
     public boolean isAnyType;
     public boolean isArray;
     public boolean isMap;
-    /** datatype is the generic inner parameter of a std::optional for C++, or Optional (Java) */
+    /**
+     * datatype is the generic inner parameter of a std::optional for C++, or Optional (Java)
+     */
     public boolean isOptional;
     public boolean isEnum; // true if the enum is defined inline
     public boolean isInnerEnum; // Enums declared inline will be located inside the generic model, changing how the enum is referenced in some cases.
@@ -243,7 +240,9 @@ public class CodegenProperty implements Cloneable, IJsonSchemaValidationProperti
     private boolean hasDiscriminatorWithNonEmptyMapping;
     private CodegenComposedSchemas composedSchemas = null;
     private boolean hasMultipleTypes = false;
-    /** true if the property's baseName != name, e.g. baseName = '_prop.value', name = 'propValue' after sanitization */
+    /**
+     * true if the property's baseName != name, e.g. baseName = '_prop.value', name = 'propValue' after sanitization
+     */
     private boolean hasSanitizedName = false;
     private Map<String, CodegenProperty> requiredVarsMap;
     private String ref;
@@ -849,7 +848,9 @@ public class CodegenProperty implements Cloneable, IJsonSchemaValidationProperti
         return hasSanitizedName;
     }
 
-    public void setHasSanitizedName(boolean hasSanitizedName) { this.hasSanitizedName = hasSanitizedName; }
+    public void setHasSanitizedName(boolean hasSanitizedName) {
+        this.hasSanitizedName = hasSanitizedName;
+    }
 
     @Override
     public boolean getIsUuid() {

modules/openapi-generator/src/main/java/org/openapitools/codegen/CodegenResponse.java

@@ -63,7 +63,9 @@ public class CodegenResponse implements IJsonSchemaValidationProperties {
     public boolean simpleType;
     public boolean primitiveType;
     public boolean isMap;
-    /** datatype is the generic inner parameter of a std::optional for C++, or Optional (Java) */
+    /**
+     * datatype is the generic inner parameter of a std::optional for C++, or Optional (Java)
+     */
     public boolean isOptional;
     public boolean isArray;
     public boolean isBinary = false;
@@ -212,7 +214,8 @@ public class CodegenResponse implements IJsonSchemaValidationProperties {
 
     // use content.mediaType.schema.setContains instead of this
     @Override
-    public void setContains(CodegenProperty contains) {}
+    public void setContains(CodegenProperty contains) {
+    }
 
     // use content.mediaType.schema.getDependentRequired instead of this
     @Override
@@ -222,7 +225,8 @@ public class CodegenResponse implements IJsonSchemaValidationProperties {
 
     // use content.mediaType.schema.setDependentRequired instead of this
     @Override
-    public void setDependentRequired(LinkedHashMap<String, List<String>> dependentRequired) {}
+    public void setDependentRequired(LinkedHashMap<String, List<String>> dependentRequired) {
+    }
 
     // use content.mediaType.schema.getIsBooleanSchemaTrue instead of this
     @Override
@@ -232,7 +236,8 @@ public class CodegenResponse implements IJsonSchemaValidationProperties {
 
     // use content.mediaType.schema.setIsBooleanSchemaTrue instead of this
     @Override
-    public void setIsBooleanSchemaTrue(boolean isBooleanSchemaTrue) {}
+    public void setIsBooleanSchemaTrue(boolean isBooleanSchemaTrue) {
+    }
 
     // use content.mediaType.schema.getIsBooleanSchemaFalse instead of this
     @Override
@@ -242,7 +247,8 @@ public class CodegenResponse implements IJsonSchemaValidationProperties {
 
     // use content.mediaType.schema.setIsBooleanSchemaFalse instead of this
     @Override
-    public void setIsBooleanSchemaFalse(boolean isBooleanSchemaFalse) {}
+    public void setIsBooleanSchemaFalse(boolean isBooleanSchemaFalse) {
+    }
 
     // use content.mediaType.schema.getFormat instead of this
     @Override
@@ -252,7 +258,8 @@ public class CodegenResponse implements IJsonSchemaValidationProperties {
 
     // use content.mediaType.schema.setFormat instead of this
     @Override
-    public void setFormat(String format) {}
+    public void setFormat(String format) {
+    }
 
     @Override
     public String getPattern() {
@@ -782,16 +789,24 @@ public class CodegenResponse implements IJsonSchemaValidationProperties {
     }
 
     @Override
-    public Map<String, CodegenProperty> getRequiredVarsMap() { return requiredVarsMap; }
+    public Map<String, CodegenProperty> getRequiredVarsMap() {
+        return requiredVarsMap;
+    }
 
     @Override
-    public void setRequiredVarsMap(Map<String, CodegenProperty> requiredVarsMap) { this.requiredVarsMap=requiredVarsMap; }
+    public void setRequiredVarsMap(Map<String, CodegenProperty> requiredVarsMap) {
+        this.requiredVarsMap = requiredVarsMap;
+    }
 
     @Override
-    public String getRef() { return ref; }
+    public String getRef() {
+        return ref;
+    }
 
     @Override
-    public void setRef(String ref) { this.ref=ref; }
+    public void setRef(String ref) {
+        this.ref = ref;
+    }
 
     @Override
     public boolean getSchemaIsFromAdditionalProperties() {
@@ -889,5 +904,6 @@ public class CodegenResponse implements IJsonSchemaValidationProperties {
     }
 
     @Override
-    public void setIsEnum(boolean isEnum) {}
+    public void setIsEnum(boolean isEnum) {
+    }
 }

modules/openapi-generator/src/main/java/org/openapitools/codegen/CodegenSecurity.java

@@ -17,11 +17,7 @@
 
 package org.openapitools.codegen;
 
-import java.util.ArrayList;
+import java.util.*;
-import java.util.HashMap;
-import java.util.List;
-import java.util.Map;
-import java.util.Objects;
 import java.util.stream.Collectors;
 
 public class CodegenSecurity {
@@ -49,10 +45,10 @@ public class CodegenSecurity {
     // OpenId specific
     public String openIdConnectUrl;
 
-    public CodegenSecurity () {
+    public CodegenSecurity() {
     }
 
-    public CodegenSecurity (CodegenSecurity original) {
+    public CodegenSecurity(CodegenSecurity original) {
         this.name = original.name;
         this.description = original.description;
         this.type = original.type;
@@ -97,8 +93,8 @@ public class CodegenSecurity {
         // In such cases, no filtering is performed.
         if (!(Boolean.TRUE.equals(isOAuth) || Boolean.TRUE.equals(isOpenId))) {
             filteredSecurity.scopes = filterScopes.stream()
-                .map(s -> new HashMap<String, Object>(Map.of("scope", s)))
+                    .map(s -> new HashMap<String, Object>(Map.of("scope", s)))
-                .collect(Collectors.toList());
+                    .collect(Collectors.toList());
             return filteredSecurity;
         }
 

modules/openapi-generator/src/main/java/org/openapitools/codegen/DefaultCodegen.java

@@ -70,10 +70,10 @@ import org.openapitools.codegen.utils.OneOfImplementorAdditionalData;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 
-import java.io.File;
 import java.io.BufferedReader;
-import java.io.InputStreamReader;
+import java.io.File;
 import java.io.IOException;
+import java.io.InputStreamReader;
 import java.nio.charset.StandardCharsets;
 import java.util.*;
 import java.util.Map.Entry;
@@ -350,7 +350,6 @@ public class DefaultCodegen implements CodegenConfig {
      * first from additionalProperties
      * then from the getter in this instance
      * then from the fields in this instance
-     *
      */
     protected void useCodegenAsMustacheParentContext() {
         additionalProperties.put(CodegenConstants.MUSTACHE_PARENT_CONTEXT, this);
@@ -392,7 +391,7 @@ public class DefaultCodegen implements CodegenConfig {
         convertPropertyToBooleanAndWriteBack(CodegenConstants.DISALLOW_ADDITIONAL_PROPERTIES_IF_NOT_PRESENT, this::setDisallowAdditionalPropertiesIfNotPresent);
         convertPropertyToBooleanAndWriteBack(CodegenConstants.ENUM_UNKNOWN_DEFAULT_CASE, this::setEnumUnknownDefaultCase);
         convertPropertyToBooleanAndWriteBack(CodegenConstants.AUTOSET_CONSTANTS, this::setAutosetConstants);
-        }
+    }
 
 
     /***
@@ -546,6 +545,7 @@ public class DefaultCodegen implements CodegenConfig {
      * This usually occurs when the data type is different.
      * We can also consider discriminators as new because the derived class discriminator will have to be defined again
      * to contain a new value. Doing so prevents having to include the discriminator in the constructor.
+     *
      * @param model
      * @param property
      * @return
@@ -553,9 +553,9 @@ public class DefaultCodegen implements CodegenConfig {
     private boolean codegenPropertyIsNew(CodegenModel model, CodegenProperty property) {
         return model.parentModel == null
                 ? false
-                : model.parentModel.allVars.stream().anyMatch(p -> 
+                : model.parentModel.allVars.stream().anyMatch(p ->
-                    p.name.equals(property.name) &&
+                p.name.equals(property.name) &&
-                    (p.dataType.equals(property.dataType) == false || p.datatypeWithEnum.equals(property.datatypeWithEnum) == false));
+                        (p.dataType.equals(property.dataType) == false || p.datatypeWithEnum.equals(property.datatypeWithEnum) == false));
     }
 
     /**
@@ -874,8 +874,8 @@ public class DefaultCodegen implements CodegenConfig {
     /**
      * Return the enum default value in the language specified format
      *
-     * @param property  The codegen property to create the default for.
+     * @param property The codegen property to create the default for.
-     * @param value     Enum variable name
+     * @param value    Enum variable name
      * @return the default value for the enum
      */
     public String toEnumDefaultValue(CodegenProperty property, String value) {
@@ -1133,6 +1133,7 @@ public class DefaultCodegen implements CodegenConfig {
 
     /**
      * This method escapes text to be used in a single quoted string
+     *
      * @param input the input string
      * @return the escaped string
      */
@@ -3275,7 +3276,7 @@ public class DefaultCodegen implements CodegenConfig {
         }
 
         if (refSchema.getProperties() != null && refSchema.getProperties().get(discPropName) != null) {
-            Schema discSchema = ModelUtils.getReferencedSchema(openAPI, (Schema)refSchema.getProperties().get(discPropName));
+            Schema discSchema = ModelUtils.getReferencedSchema(openAPI, (Schema) refSchema.getProperties().get(discPropName));
             CodegenProperty cp = new CodegenProperty();
             if (ModelUtils.isStringSchema(discSchema)) {
                 cp.isString = true;
@@ -6904,7 +6905,7 @@ public class DefaultCodegen implements CodegenConfig {
      * writes it back to additionalProperties to be usable as a boolean in
      * mustache files.
      *
-     * @param propertyKey property key
+     * @param propertyKey   property key
      * @param booleanSetter the setter function reference
      * @return property value as boolean or false if it does not exist
      */
@@ -6923,7 +6924,7 @@ public class DefaultCodegen implements CodegenConfig {
      * writes it back to additionalProperties to be usable as a string in
      * mustache files.
      *
-     * @param propertyKey property key
+     * @param propertyKey  property key
      * @param stringSetter the setter function reference
      * @return property value as String or null if not found
      */
@@ -6936,7 +6937,7 @@ public class DefaultCodegen implements CodegenConfig {
      * writes it back to additionalProperties to be usable as T in
      * mustache files.
      *
-     * @param propertyKey property key
+     * @param propertyKey       property key
      * @param genericTypeSetter the setter function reference
      * @return property value as instance of type T or null if not found
      */
@@ -8237,7 +8238,7 @@ public class DefaultCodegen implements CodegenConfig {
             int exitValue = p.exitValue();
             if (exitValue != 0) {
                 try (InputStreamReader inputStreamReader = new InputStreamReader(p.getErrorStream(), StandardCharsets.UTF_8);
-                BufferedReader br = new BufferedReader(inputStreamReader)) {
+                     BufferedReader br = new BufferedReader(inputStreamReader)) {
                     StringBuilder sb = new StringBuilder();
                     String line;
                     while ((line = br.readLine()) != null) {
@@ -8391,7 +8392,8 @@ public class DefaultCodegen implements CodegenConfig {
 
     public void addImportsToOneOfInterface(List<Map<String, String>> imports) {
     }
-    //// End of methods related to the "useOneOfInterfaces" feature
+
+    /// / End of methods related to the "useOneOfInterfaces" feature
 
     protected void modifyFeatureSet(Consumer<FeatureSet.Builder> processor) {
         FeatureSet.Builder builder = getFeatureSet().modify();
@@ -8403,7 +8405,8 @@ public class DefaultCodegen implements CodegenConfig {
     /**
      * An map entry for cached sanitized names.
      */
-    @Getter private static class SanitizeNameOptions {
+    @Getter
+    private static class SanitizeNameOptions {
         public SanitizeNameOptions(String name, String removeCharRegEx, List<String> exceptions) {
             this.name = name;
             this.removeCharRegEx = removeCharRegEx;

modules/openapi-generator/src/main/java/org/openapitools/codegen/DefaultGenerator.java

@@ -18,11 +18,7 @@
 package org.openapitools.codegen;
 
 import io.swagger.v3.core.util.Json;
-import io.swagger.v3.oas.models.OpenAPI;
+import io.swagger.v3.oas.models.*;
-import io.swagger.v3.oas.models.Operation;
-import io.swagger.v3.oas.models.PathItem;
-import io.swagger.v3.oas.models.Paths;
-import io.swagger.v3.oas.models.SpecVersion;
 import io.swagger.v3.oas.models.info.Contact;
 import io.swagger.v3.oas.models.info.Info;
 import io.swagger.v3.oas.models.info.License;
@@ -35,12 +31,8 @@ import org.apache.commons.io.FilenameUtils;
 import org.apache.commons.io.IOCase;
 import org.apache.commons.lang3.ObjectUtils;
 import org.apache.commons.lang3.StringUtils;
-import org.openapitools.codegen.api.TemplateDefinition;
+import org.openapitools.codegen.api.*;
-import org.openapitools.codegen.api.TemplatePathLocator;
-import org.openapitools.codegen.api.TemplateProcessor;
 import org.openapitools.codegen.config.GlobalSettings;
-import org.openapitools.codegen.api.TemplatingEngineAdapter;
-import org.openapitools.codegen.api.TemplateFileType;
 import org.openapitools.codegen.ignore.CodegenIgnoreProcessor;
 import org.openapitools.codegen.meta.GeneratorMetadata;
 import org.openapitools.codegen.meta.Stability;
@@ -50,15 +42,13 @@ import org.openapitools.codegen.templating.CommonTemplateContentLocator;
 import org.openapitools.codegen.templating.GeneratorTemplateContentLocator;
 import org.openapitools.codegen.templating.MustacheEngineAdapter;
 import org.openapitools.codegen.templating.TemplateManagerOptions;
-import org.openapitools.codegen.utils.ImplementationVersion;
+import org.openapitools.codegen.utils.*;
-import org.openapitools.codegen.utils.ModelUtils;
-import org.openapitools.codegen.utils.ProcessUtils;
-import org.openapitools.codegen.utils.URLPathUtils;
-import org.openapitools.codegen.utils.SemVer;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 
-import java.io.*;
+import java.io.File;
+import java.io.IOException;
+import java.io.Writer;
 import java.net.URL;
 import java.nio.charset.StandardCharsets;
 import java.nio.file.Files;
@@ -97,8 +87,8 @@ public class DefaultGenerator implements Generator {
     private String contextPath;
     private Map<String, String> generatorPropertyDefaults = new HashMap<>();
     /**
-     *  Retrieves an instance to the configured template processor, available after user-defined options are
+     * Retrieves an instance to the configured template processor, available after user-defined options are
-     *  applied via 
+     * applied via
      */
     @Getter protected TemplateProcessor templateProcessor = null;
 
@@ -461,7 +451,7 @@ public class DefaultGenerator implements Generator {
         }
 
         Set<String> modelKeys = modelKeysSupplier.get();
-        if(modelKeys.isEmpty()) {
+        if (modelKeys.isEmpty()) {
             return;
         }
 
@@ -536,11 +526,11 @@ public class DefaultGenerator implements Generator {
         allProcessedModels = config.postProcessAllModels(allProcessedModels);
 
         if (generateRecursiveDependentModels) {
-            for(ModelsMap modelsMap : allProcessedModels.values()) {
+            for (ModelsMap modelsMap : allProcessedModels.values()) {
-                for(ModelMap mm: modelsMap.getModels()) {
+                for (ModelMap mm : modelsMap.getModels()) {
                     CodegenModel cm = mm.getModel();
                     if (cm != null) {
-                        for(CodegenProperty variable : cm.getVars()) {
+                        for (CodegenProperty variable : cm.getVars()) {
                             generateModelsForVariable(files, allModels, unusedModels, aliasModels, processedModels, variable);
                         }
                         //TODO:  handle interfaces
@@ -552,7 +542,7 @@ public class DefaultGenerator implements Generator {
                 }
             }
         }
-        
+
         // generate files based on processed models
         for (String modelName : allProcessedModels.keySet()) {
             ModelsMap models = allProcessedModels.get(modelName);
@@ -616,10 +606,10 @@ public class DefaultGenerator implements Generator {
             if (!processedModels.contains(key) && allSchemas.containsKey(key)) {
                 generateModels(files, allModels, unusedModels, aliasModels, processedModels, () -> Set.of(key));
             } else {
-                LOGGER.info("Type " + variable.getComplexType()+" of variable " + variable.getName() + " could not be resolve because it is not declared as a model.");
+                LOGGER.info("Type " + variable.getComplexType() + " of variable " + variable.getName() + " could not be resolve because it is not declared as a model.");
             }
         } else {
-            LOGGER.info("Type " + variable.getOpenApiType()+" of variable " + variable.getName() + " could not be resolve because it is not declared as a model.");
+            LOGGER.info("Type " + variable.getOpenApiType() + " of variable " + variable.getName() + " could not be resolve because it is not declared as a model.");
         }
     }
 
@@ -627,7 +617,7 @@ public class DefaultGenerator implements Generator {
         Map<String, Schema> schemaMap = ModelUtils.getSchemas(this.openAPI);
         Set<String> keys = schemaMap.keySet();
         String simpleRef;
-        if(keys.contains(type)) {
+        if (keys.contains(type)) {
             return type;
         } else if (keys.contains(simpleRef = ModelUtils.getSimpleRef(ref))) {
             return simpleRef;
@@ -688,7 +678,7 @@ public class DefaultGenerator implements Generator {
         for (String tag : paths.keySet()) {
             try {
                 List<CodegenOperation> ops = paths.get(tag);
-                if(!this.config.isSkipSortingOperations()) {
+                if (!this.config.isSkipSortingOperations()) {
                     // sort operations by operationId
                     ops.sort((one, another) -> ObjectUtils.compare(one.operationId, another.operationId));
                 }
@@ -931,17 +921,17 @@ public class DefaultGenerator implements Generator {
                         String outputDir = config.getOutputDir() + File.separator + config.templateOutputDirs().get(templateName);
                         String filename = config.apiFilename(templateName, tag, outputDir);
                         // do not overwrite apiController file for spring server
-                        if (apiFilePreCheck(filename, generatorCheck, templateName, templateCheck)){
+                        if (apiFilePreCheck(filename, generatorCheck, templateName, templateCheck)) {
                             written = processTemplateToFile(operation, templateName, filename, generateWebhooks, CodegenConstants.WEBHOOKS, outputDir);
                         } else {
-                            LOGGER.info("Implementation file {} is not overwritten",filename);
+                            LOGGER.info("Implementation file {} is not overwritten", filename);
                         }
                     } else {
                         String filename = config.apiFilename(templateName, tag);
-                        if(apiFilePreCheck(filename, generatorCheck, templateName, templateCheck)){
+                        if (apiFilePreCheck(filename, generatorCheck, templateName, templateCheck)) {
                             written = processTemplateToFile(operation, templateName, filename, generateWebhooks, CodegenConstants.WEBHOOKS);
                         } else {
-                            LOGGER.info("Implementation file {} is not overwritten",filename);
+                            LOGGER.info("Implementation file {} is not overwritten", filename);
                         }
                     }
                     if (written != null) {
@@ -1218,9 +1208,9 @@ public class DefaultGenerator implements Generator {
      * <p>
      * Examples:
      * <p>
-     *   boolean hasOAuthMethods
+     * boolean hasOAuthMethods
      * <p>
-     *   List&lt;CodegenSecurity&gt; oauthMethods
+     * List&lt;CodegenSecurity&gt; oauthMethods
      *
      * @param bundle the map which the booleans and collections will be added
      */
@@ -1490,7 +1480,7 @@ public class DefaultGenerator implements Generator {
         return ops;
     }
 
-    public Map<String, List<CodegenOperation>>  processWebhooks(Map<String, PathItem> webhooks) {
+    public Map<String, List<CodegenOperation>> processWebhooks(Map<String, PathItem> webhooks) {
         Map<String, List<CodegenOperation>> ops = new TreeMap<>();
         // when input file is not valid and doesn't contain any paths
         if (webhooks == null) {
@@ -1619,7 +1609,7 @@ public class DefaultGenerator implements Generator {
     }
 
     private static String generateParameterId(Parameter parameter) {
-        return null == parameter.get$ref() ? parameter.getName() + ":" + parameter.getIn() : parameter.get$ref() ;    
+        return null == parameter.get$ref() ? parameter.getName() + ":" + parameter.getIn() : parameter.get$ref();
     }
 
     private OperationsMap processOperations(CodegenConfig config, String tag, List<CodegenOperation> ops, List<ModelMap> allModels) {
@@ -2013,7 +2003,7 @@ public class DefaultGenerator implements Generator {
                     }
                 });
 
-                Collections.sort(relativePaths, (a, b) -> IOCase.SENSITIVE.checkCompareTo(a,b));
+                Collections.sort(relativePaths, (a, b) -> IOCase.SENSITIVE.checkCompareTo(a, b));
                 relativePaths.forEach(relativePath -> {
                     sb.append(relativePath).append(System.lineSeparator());
                 });

modules/openapi-generator/src/main/java/org/openapitools/codegen/DryRunStatus.java

@@ -9,25 +9,26 @@ import java.util.Locale;
 /**
  * Holds details about a file's write status for display via the --dry-run option of CLI
  */
-@Getter class DryRunStatus {
+@Getter
+class DryRunStatus {
     /**
      * -- GETTER --
-     *  Gets the target path of the file write operation
+     * Gets the target path of the file write operation
      *
      * @return a {@link Path} instance
      */
     private final Path path;
     /**
      * -- GETTER --
-     *  Gets the 
+     * Gets the
-     *  as determined by the generator's workflow
+     * as determined by the generator's workflow
      *
      * @return A {@link State} enum detailing the expected operation of the generator's workflow
      */
     private State state;
     /**
      * -- GETTER --
-     *  Gets the reason for the file's 
+     * Gets the reason for the file's
      *
      * @return A human-readable string which explains why this file's dry-run resulted in the defined {@link State}
      */
@@ -110,7 +111,8 @@ import java.util.Locale;
     /**
      * Represents the possible states of a file write operation as determined by the Generator
      */
-    @Getter enum State {
+    @Getter
+    enum State {
         Write("w", "Write"),
         WriteIfNewer("n", "Write if New/Updated"),
         Ignored("i", "Ignored"),
@@ -120,14 +122,14 @@ import java.util.Locale;
 
         /**
          * -- GETTER --
-         *  Gets the short value used for display
+         * Gets the short value used for display
          *
          * @return A character representing this state
          */
         private final String shortDisplay;
         /**
          * -- GETTER --
-         *  Gets a description of the state which is more human-readable than the enum's name
+         * Gets a description of the state which is more human-readable than the enum's name
          *
          * @return A human-readable description
          */

modules/openapi-generator/src/main/java/org/openapitools/codegen/DryRunTemplateManager.java

@@ -18,7 +18,7 @@ import java.util.Map;
 public class DryRunTemplateManager implements TemplateProcessor {
     private final TemplateManagerOptions options;
     private final Map<String, DryRunStatus> dryRunStatusMap = new HashMap<>();
-    
+
     private final Map<String, Map<String, Object>> capturedTemplateData = new HashMap<>();
     private boolean recordTemplateData = false;
 
@@ -65,9 +65,9 @@ public class DryRunTemplateManager implements TemplateProcessor {
         if (outputFile.exists()) {
             if (this.options.isSkipOverwrite()) {
                 status = new DryRunStatus(
-                    path,
+                        path,
-                    DryRunStatus.State.SkippedOverwrite,
+                        DryRunStatus.State.SkippedOverwrite,
-                    "File exists and skip overwrite option is enabled."
+                        "File exists and skip overwrite option is enabled."
                 );
             } else if (this.options.isMinimalUpdate()) {
                 status.setState(DryRunStatus.State.WriteIfNewer);
@@ -118,10 +118,11 @@ public class DryRunTemplateManager implements TemplateProcessor {
     }
 
     /**
-     * Retrieve the captured template data for a specific file. Capturing must have  
+     * Retrieve the captured template data for a specific file. Capturing must have
      * been enabled via {@link #enableTemplateDataCapturing()} prior to generation.<br>
      * Note: Not all files have template data (e.g. Metadata files) – in such case an empty
      * map is returned.
+     *
      * @param generatedFile An absolute path to the generated file
      * @return Typically one of the *Map types found in {@link org.openapitools.codegen.model}
      */

modules/openapi-generator/src/main/java/org/openapitools/codegen/IJsonSchemaValidationProperties.java

@@ -1,20 +1,13 @@
 package org.openapitools.codegen;
 
-import java.util.Arrays;
+import io.swagger.v3.oas.models.OpenAPI;
-import java.util.Collections;
+import io.swagger.v3.oas.models.media.Schema;
-import java.util.HashSet;
-import java.util.LinkedHashMap;
-import java.util.List;
-import java.util.Map;
-import java.util.Set;
-import java.util.stream.Stream;
-
 import org.openapitools.codegen.meta.FeatureSet;
 import org.openapitools.codegen.meta.features.SchemaSupportFeature;
 import org.openapitools.codegen.utils.ModelUtils;
 
-import io.swagger.v3.oas.models.OpenAPI;
+import java.util.*;
-import io.swagger.v3.oas.models.media.Schema;
+import java.util.stream.Stream;
 
 public interface IJsonSchemaValidationProperties {
     CodegenProperty getContains();
@@ -108,14 +101,15 @@ public interface IJsonSchemaValidationProperties {
 
     /**
      * Tells if the datatype is a generic inner parameter of a <code>std::optional</code> for C++, or <code>Optional</code> (Java)<br>
-     *  to resolve cases (detected in issue #6726) where :<br>
+     * to resolve cases (detected in issue #6726) where :<br>
-     *     - <code>categoryOneOf</code> is a parameter of class <code>GetAccountVideos_categoryOneOf_parameter</code>, a model parameter that correctly prefixed by its namespace: <code>org::openapitools::server::model::GetAccountVideos_categoryOneOf_parameter</code><br>
+     * - <code>categoryOneOf</code> is a parameter of class <code>GetAccountVideos_categoryOneOf_parameter</code>, a model parameter that correctly prefixed by its namespace: <code>org::openapitools::server::model::GetAccountVideos_categoryOneOf_parameter</code><br>
-     *     - but that <code>GetAccountVideos_categoryOneOf_parameter</code> class is inside an <code>std::optional</code><br>
+     * - but that <code>GetAccountVideos_categoryOneOf_parameter</code> class is inside an <code>std::optional</code><br>
-     *     <br>
+     * <br>
-     *   Then a correct generation of that parameter can be (for C++) <code>const std::optional&lt;org::openapitools::server::model::GetAccountVideos_categoryOneOf_parameter&gt; &amp;categoryOneOf</code><br>
+     * Then a correct generation of that parameter can be (for C++) <code>const std::optional&lt;org::openapitools::server::model::GetAccountVideos_categoryOneOf_parameter&gt; &amp;categoryOneOf</code><br>
-         *   but using #isModel alone without #isOptional in mustache might produce <code>const org::openapitools::server::model::std::optional&lt;org::openapitools::server::model::GetAccountVideos_categoryOneOf_parameter&gt; &amp;categoryOneOf</code> instead, that do not compile.
+     * but using #isModel alone without #isOptional in mustache might produce <code>const org::openapitools::server::model::std::optional&lt;org::openapitools::server::model::GetAccountVideos_categoryOneOf_parameter&gt; &amp;categoryOneOf</code> instead, that do not compile.
      */
     boolean getIsOptional();
+
     void setIsOptional(boolean isOptional);
 
     boolean getIsArray();

modules/openapi-generator/src/main/java/org/openapitools/codegen/InlineModelResolver.java

@@ -22,8 +22,6 @@ import com.fasterxml.jackson.core.util.DefaultPrettyPrinter;
 import com.fasterxml.jackson.databind.MapperFeature;
 import com.fasterxml.jackson.databind.ObjectMapper;
 import io.swagger.v3.core.util.Json;
-import io.swagger.v3.oas.annotations.Webhook;
-import io.swagger.v3.oas.annotations.Webhooks;
 import io.swagger.v3.oas.models.*;
 import io.swagger.v3.oas.models.PathItem.HttpMethod;
 import io.swagger.v3.oas.models.callbacks.Callback;
@@ -37,7 +35,6 @@ import org.openapitools.codegen.utils.ModelUtils;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 
-import java.nio.file.Path;
 import java.util.*;
 
 public class InlineModelResolver {
@@ -118,7 +115,7 @@ public class InlineModelResolver {
      * Flatten inline models in Webhooks
      */
     private void flattenWebhooks() {
-        Map<String, PathItem> webhooks  = openAPI.getWebhooks();
+        Map<String, PathItem> webhooks = openAPI.getWebhooks();
         if (webhooks == null) {
             return;
         }
@@ -536,8 +533,8 @@ public class InlineModelResolver {
     /**
      * Flatten inline models in parameters
      *
-     * @param modelName model name
+     * @param modelName   model name
-     * @param parameters list of parameters
+     * @param parameters  list of parameters
      * @param operationId operation Id (optional)
      */
     private void flattenParameters(String modelName, List<Parameter> parameters, String operationId) {
@@ -619,18 +616,18 @@ public class InlineModelResolver {
      * allOf:
      * - $ref: '#/components/schemas/Animal'
      * - type: object
-     *   properties:
+     * properties:
-     *     name:
+     * name:
-     *       type: string
+     * type: string
-     *     age:
+     * age:
-     *       type: string
+     * type: string
      * - type: object
-     *   properties:
+     * properties:
-     *     breed:
+     * breed:
-     *       type: string
+     * type: string
      *
-     * @param key      a unique name for the composed schema.
+     * @param key                    a unique name for the composed schema.
-     * @param children the list of nested schemas within a composed schema (allOf, anyOf, oneOf).
+     * @param children               the list of nested schemas within a composed schema (allOf, anyOf, oneOf).
      * @param skipAllOfInlineSchemas true if allOf inline schemas need to be skipped.
      */
     private void flattenComposedChildren(String key, List<Schema> children, boolean skipAllOfInlineSchemas) {

modules/openapi-generator/src/main/java/org/openapitools/codegen/ObjectWithTypeBooleans.java

@@ -20,23 +20,24 @@ public class ObjectWithTypeBooleans {
      * Other booleans: isUnboundedInteger/isNumber/isString/isMap/isArray/isBoolean/isNull
      * allow generator templates to decide how to render each payload into code
      * based upon what type it is. The booleans isX describe the value in value.
+     *
      * @param value the input payload that is stored
      */
     public ObjectWithTypeBooleans(Object value) {
         Object usedValue = null;
-        if (value instanceof Integer){
+        if (value instanceof Integer) {
             this.isUnboundedInteger = true;
             this.value = value;
-        } else if (value instanceof Double || value instanceof Float){
+        } else if (value instanceof Double || value instanceof Float) {
             this.isNumber = true;
             this.value = value;
         } else if (value instanceof String) {
-            this.isString =  true;
+            this.isString = true;
             this.value = value;
         } else if (value instanceof LinkedHashMap) {
             LinkedHashMap<String, Object> castValue = (LinkedHashMap<String, Object>) value;
             LinkedHashMap<ObjectWithTypeBooleans, ObjectWithTypeBooleans> castMap = new LinkedHashMap<>();
-            for (Map.Entry entry: castValue.entrySet()) {
+            for (Map.Entry entry : castValue.entrySet()) {
                 ObjectWithTypeBooleans entryKey = new ObjectWithTypeBooleans(entry.getKey());
                 ObjectWithTypeBooleans entryValue = new ObjectWithTypeBooleans(entry.getValue());
                 castMap.put(entryKey, entryValue);
@@ -45,7 +46,7 @@ public class ObjectWithTypeBooleans {
             this.isMap = true;
         } else if (value instanceof ArrayList) {
             ArrayList<ObjectWithTypeBooleans> castList = new ArrayList<>();
-            for (Object item: (ArrayList<Object>) value) {
+            for (Object item : (ArrayList<Object>) value) {
                 castList.add(new ObjectWithTypeBooleans(item));
             }
             this.value = castList;

modules/openapi-generator/src/main/java/org/openapitools/codegen/OpenAPINormalizer.java

@@ -35,7 +35,6 @@ import java.util.*;
 import java.util.stream.Collectors;
 
 import static org.openapitools.codegen.utils.StringUtils.getUniqueString;
-import static org.openapitools.codegen.utils.StringUtils.underscore;
 
 public class OpenAPINormalizer {
     private OpenAPI openAPI;
@@ -546,7 +545,7 @@ public class OpenAPINormalizer {
             return;
         }
 
-           for (Map.Entry<String, ApiResponse> entry : apiResponses.entrySet()) {
+        for (Map.Entry<String, ApiResponse> entry : apiResponses.entrySet()) {
             normalizeResponse(entry.getValue());
         }
     }
@@ -1013,7 +1012,6 @@ public class OpenAPINormalizer {
     }
 
 
-
     /**
      * If the schema contains anyOf/oneOf and properties, remove oneOf/anyOf as these serve as rules to
      * ensure inter-dependency between properties. It's a workaround as such validation is not supported at the moment.

modules/openapi-generator/src/main/java/org/openapitools/codegen/SpecValidationException.java

@@ -6,7 +6,8 @@ import lombok.Setter;
 import java.util.Optional;
 import java.util.Set;
 
-@Getter @Setter
+@Getter
+@Setter
 public class SpecValidationException extends RuntimeException {
 
     private Set<String> errors;
@@ -100,8 +101,8 @@ public class SpecValidationException extends RuntimeException {
 
         StringBuilder sb = new StringBuilder();
         sb.append(System.lineSeparator())
-            .append("Errors: ")
+                .append("Errors: ")
-            .append(System.lineSeparator());
+                .append(System.lineSeparator());
 
         Optional.ofNullable(errors).ifPresent(_errors -> {
             for (String msg : errors) {

modules/openapi-generator/src/main/java/org/openapitools/codegen/SupportingFile.java

@@ -27,11 +27,12 @@ import java.util.StringJoiner;
 /**
  * Defines the template definition for a "supporting file", that is any file which is generic and not bound to
  * api/model definitions and their relevant docs or tests.
- *
+ * <p>
  * Supporting files are generated once for an entire application while api/model bound definitions are generated multiple
  * times according to their target use.
  */
-@Getter public class SupportingFile extends TemplateDefinition {
+@Getter
+public class SupportingFile extends TemplateDefinition {
     private boolean canOverwrite = true;
 
     public SupportingFile(String templateFile, String destinationFilename) {

modules/openapi-generator/src/main/java/org/openapitools/codegen/TemplateManager.java

@@ -13,8 +13,14 @@ import org.slf4j.LoggerFactory;
 
 import java.io.*;
 import java.nio.charset.StandardCharsets;
-import java.nio.file.*;
+import java.nio.file.Files;
-import java.util.*;
+import java.nio.file.Path;
+import java.nio.file.Paths;
+import java.nio.file.StandardCopyOption;
+import java.util.Arrays;
+import java.util.Map;
+import java.util.Objects;
+import java.util.Scanner;
 import java.util.regex.Pattern;
 
 /**
@@ -30,8 +36,8 @@ public class TemplateManager implements TemplatingExecutor, TemplateProcessor {
     /**
      * Constructs a new instance of a {@link TemplateManager}
      *
-     * @param options The {@link TemplateManagerOptions} for reading and writing templates
+     * @param options         The {@link TemplateManagerOptions} for reading and writing templates
-     * @param engineAdapter The adaptor to underlying templating engine
+     * @param engineAdapter   The adaptor to underlying templating engine
      * @param templateLoaders Loaders which define where we look for templates
      */
     public TemplateManager(
@@ -87,7 +93,6 @@ public class TemplateManager implements TemplatingExecutor, TemplateProcessor {
      * Gets a normalized classpath resource location according to OS-specific file separator
      *
      * @param name The name of the resource file/directory to find
-     *
      * @return A normalized string according to OS-specific file separator
      */
     public static String getCPResourcePath(final String name) {
@@ -152,8 +157,7 @@ public class TemplateManager implements TemplatingExecutor, TemplateProcessor {
      *
      * @param data     Input data
      * @param template Input template location
-     * @param target The targeted file output location
+     * @param target   The targeted file output location
-     *
      * @return The actual file
      */
     @Override

modules/openapi-generator/src/main/java/org/openapitools/codegen/VendorExtension.java

@@ -6,7 +6,8 @@ import java.util.Arrays;
 import java.util.Collections;
 import java.util.List;
 
-@Getter public enum VendorExtension {
+@Getter
+public enum VendorExtension {
 
     X_IMPLEMENTS("x-implements", ExtensionLevel.MODEL, "Ability to specify interfaces that model must implements", "empty array"),
     X_SPRING_PAGINATED("x-spring-paginated", ExtensionLevel.OPERATION, "Add org.springframework.data.domain.Pageable to controller method. Can be used to handle page & size query parameters", "false"),

modules/openapi-generator/src/main/java/org/openapitools/codegen/auth/AuthParser.java

@@ -41,9 +41,9 @@ public class AuthParser {
                 String[] kvPair = part.split(":");
                 if (kvPair.length == 2) {
                     auths.add(new AuthorizationValue(
-                        URLDecoder.decode(kvPair[0], StandardCharsets.UTF_8), 
+                            URLDecoder.decode(kvPair[0], StandardCharsets.UTF_8),
-                        URLDecoder.decode(kvPair[1], StandardCharsets.UTF_8), 
+                            URLDecoder.decode(kvPair[1], StandardCharsets.UTF_8),
-                        "header"
+                            "header"
                     ));
                 }
             }
@@ -59,7 +59,7 @@ public class AuthParser {
                     b.append(",");
                 }
                 b.append(URLEncoder.encode(v.getKeyName(), StandardCharsets.UTF_8))
-                    .append(":").append(URLEncoder.encode(v.getValue(), StandardCharsets.UTF_8));
+                        .append(":").append(URLEncoder.encode(v.getValue(), StandardCharsets.UTF_8));
             }
             return b.toString();
         } else {

modules/openapi-generator/src/main/java/org/openapitools/codegen/config/CodegenConfigurator.java

@@ -48,7 +48,7 @@ import static org.apache.commons.lang3.StringUtils.isNotEmpty;
 /**
  * A class which manages the contextual configuration for code generation.
  * This includes configuring the generator, templating, and the workflow which orchestrates these.
- *
+ * <p>
  * This helper also enables the deserialization of {@link GeneratorSettings} via application-specific Jackson JSON usage
  * (see {@link DynamicSettings}.
  */
@@ -109,55 +109,55 @@ public class CodegenConfigurator {
             if (workflowSettings.getGlobalProperties() != null) {
                 configurator.globalProperties.putAll(workflowSettings.getGlobalProperties());
             }
-            if(generatorSettings.getInstantiationTypes() != null) {
+            if (generatorSettings.getInstantiationTypes() != null) {
                 configurator.instantiationTypes.putAll(generatorSettings.getInstantiationTypes());
             }
-            if(generatorSettings.getTypeMappings() != null) {
+            if (generatorSettings.getTypeMappings() != null) {
                 configurator.typeMappings.putAll(generatorSettings.getTypeMappings());
             }
-            if(generatorSettings.getAdditionalProperties() != null) {
+            if (generatorSettings.getAdditionalProperties() != null) {
                 configurator.additionalProperties.putAll(generatorSettings.getAdditionalProperties());
             }
-            if(generatorSettings.getImportMappings() != null) {
+            if (generatorSettings.getImportMappings() != null) {
                 configurator.importMappings.putAll(generatorSettings.getImportMappings());
             }
-            if(generatorSettings.getSchemaMappings() != null) {
+            if (generatorSettings.getSchemaMappings() != null) {
                 configurator.schemaMappings.putAll(generatorSettings.getSchemaMappings());
             }
-            if(generatorSettings.getInlineSchemaNameMappings() != null) {
+            if (generatorSettings.getInlineSchemaNameMappings() != null) {
                 configurator.inlineSchemaNameMappings.putAll(generatorSettings.getInlineSchemaNameMappings());
             }
-            if(generatorSettings.getInlineSchemaOptions() != null) {
+            if (generatorSettings.getInlineSchemaOptions() != null) {
                 configurator.inlineSchemaOptions.putAll(generatorSettings.getInlineSchemaOptions());
             }
-            if(generatorSettings.getNameMappings() != null) {
+            if (generatorSettings.getNameMappings() != null) {
                 configurator.nameMappings.putAll(generatorSettings.getNameMappings());
             }
-            if(generatorSettings.getParameterNameMappings() != null) {
+            if (generatorSettings.getParameterNameMappings() != null) {
                 configurator.parameterNameMappings.putAll(generatorSettings.getParameterNameMappings());
             }
-            if(generatorSettings.getModelNameMappings() != null) {
+            if (generatorSettings.getModelNameMappings() != null) {
                 configurator.modelNameMappings.putAll(generatorSettings.getModelNameMappings());
             }
-            if(generatorSettings.getEnumNameMappings() != null) {
+            if (generatorSettings.getEnumNameMappings() != null) {
                 configurator.enumNameMappings.putAll(generatorSettings.getEnumNameMappings());
             }
-            if(generatorSettings.getOperationIdNameMappings() != null) {
+            if (generatorSettings.getOperationIdNameMappings() != null) {
                 configurator.operationIdNameMappings.putAll(generatorSettings.getOperationIdNameMappings());
             }
-            if(generatorSettings.getOpenapiNormalizer() != null) {
+            if (generatorSettings.getOpenapiNormalizer() != null) {
                 configurator.openapiNormalizer.putAll(generatorSettings.getOpenapiNormalizer());
             }
-            if(generatorSettings.getLanguageSpecificPrimitives() != null) {
+            if (generatorSettings.getLanguageSpecificPrimitives() != null) {
                 configurator.languageSpecificPrimitives.addAll(generatorSettings.getLanguageSpecificPrimitives());
             }
-            if(generatorSettings.getOpenapiGeneratorIgnoreList() != null) {
+            if (generatorSettings.getOpenapiGeneratorIgnoreList() != null) {
                 configurator.openapiGeneratorIgnoreList.addAll(generatorSettings.getOpenapiGeneratorIgnoreList());
             }
-            if(generatorSettings.getReservedWordsMappings() != null) {
+            if (generatorSettings.getReservedWordsMappings() != null) {
                 configurator.reservedWordsMappings.putAll(generatorSettings.getReservedWordsMappings());
             }
-            if(generatorSettings.getServerVariables() != null) {
+            if (generatorSettings.getServerVariables() != null) {
                 configurator.serverVariables.putAll(generatorSettings.getServerVariables());
             }
 
@@ -700,12 +700,12 @@ public class CodegenConfigurator {
 
                 // Wrap the getUnusedSchemas() in try catch block so it catches the NPE
                 // when the input spec file is not correct
-                try{
+                try {
                     List<String> unusedModels = ModelUtils.getUnusedSchemas(specification);
                     if (unusedModels != null) {
                         unusedModels.forEach(name -> warnings.add("Unused model: " + name));
                     }
-                } catch (Exception e){
+                } catch (Exception e) {
                     System.err.println("[error] There is an error with OpenAPI specification parsed from the input spec file: " + inputSpec);
                     System.err.println("[error] Please make sure the spec file has correct format and all required fields are populated with valid value.");
                 }
@@ -808,6 +808,6 @@ public class CodegenConfigurator {
                 .generatorSettings(generatorSettings)
                 .userDefinedTemplates(userDefinedTemplates);
 
-        return input.openAPI((OpenAPI)context.getSpecDocument());
+        return input.openAPI((OpenAPI) context.getSpecDocument());
     }
 }

modules/openapi-generator/src/main/java/org/openapitools/codegen/config/DynamicSettings.java

@@ -23,7 +23,7 @@ import java.util.stream.Collectors;
 public class DynamicSettings {
     /**
      * -- GETTER --
-     *  Gets all "custom" properties included in the config object.
+     * Gets all "custom" properties included in the config object.
      *
      * @return All user-specified custom properties.
      */
@@ -96,9 +96,10 @@ public class DynamicSettings {
      * <p>Constructor for DynamicSettings.</p>
      */
     @JsonCreator
-    public DynamicSettings() { }
+    public DynamicSettings() {
+    }
 
-    private void excludeSettingsFromDynamicProperties(){
+    private void excludeSettingsFromDynamicProperties() {
         Set<String> fieldNames = new HashSet<>();
         for (Field field : GeneratorSettings.class.getDeclaredFields()) {
             fieldNames.add(field.getName());

modules/openapi-generator/src/main/java/org/openapitools/codegen/config/GlobalSettings.java

@@ -27,7 +27,7 @@ import java.util.Properties;
  * GlobalSettings encapsulates SystemProperties, since the codegen mechanism heavily relies on a stable,
  * non-changing System Property Basis. Using plain System.(get|set|clear)Property raises Race-Conditions in combination
  * with Code, that uses System.setProperties (e.g. maven-surefire-plugin).
- *
+ * <p>
  * This provides a set of properties specific to the executing thread, such that the generator may not modify system properties
  * consumed by other threads.
  *

modules/openapi-generator/src/main/java/org/openapitools/codegen/config/MergedSpecBuilder.java

@@ -1,32 +1,24 @@
 package org.openapitools.codegen.config;
 
+import com.fasterxml.jackson.databind.ObjectMapper;
+import com.fasterxml.jackson.dataformat.yaml.YAMLFactory;
+import com.google.common.collect.ImmutableMap;
+import io.swagger.parser.OpenAPIParser;
+import io.swagger.v3.oas.models.OpenAPI;
+import io.swagger.v3.parser.core.models.ParseOptions;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
 import java.io.File;
 import java.io.IOException;
 import java.nio.file.Files;
 import java.nio.file.Path;
 import java.nio.file.Paths;
 import java.nio.file.StandardOpenOption;
-import java.util.ArrayList;
+import java.util.*;
-import java.util.Collections;
-import java.util.HashMap;
-import java.util.List;
-import java.util.Locale;
-import java.util.Map;
-import java.util.Set;
 import java.util.stream.Collectors;
 import java.util.stream.Stream;
 
-import org.slf4j.Logger;
-import org.slf4j.LoggerFactory;
-
-import com.fasterxml.jackson.databind.ObjectMapper;
-import com.fasterxml.jackson.dataformat.yaml.YAMLFactory;
-import com.google.common.collect.ImmutableMap;
-
-import io.swagger.parser.OpenAPIParser;
-import io.swagger.v3.oas.models.OpenAPI;
-import io.swagger.v3.parser.core.models.ParseOptions;
-
 public class MergedSpecBuilder {
 
     private static final Logger LOGGER = LoggerFactory.getLogger(MergedSpecBuilder.class);
@@ -59,8 +51,8 @@ public class MergedSpecBuilder {
                 LOGGER.info("Reading spec: {}", specPath);
 
                 OpenAPI result = new OpenAPIParser()
-                    .readLocation(specPath, new ArrayList<>(), options)
+                        .readLocation(specPath, new ArrayList<>(), options)
-                    .getOpenAPI();
+                        .getOpenAPI();
 
                 if (openapiVersion == null) {
                     openapiVersion = result.getOpenapi();
@@ -93,11 +85,11 @@ public class MergedSpecBuilder {
         Map<String, Object> paths = new HashMap<>();
         spec.put("paths", paths);
 
-        for(SpecWithPaths specWithPaths : allPaths) {
+        for (SpecWithPaths specWithPaths : allPaths) {
             for (String path : specWithPaths.paths) {
                 String specRelatedPath = "./" + specWithPaths.specRelatedPath + "#/paths/" + path.replace("/", "~1");
                 paths.put(path, ImmutableMap.of(
-                    "$ref", specRelatedPath
+                        "$ref", specRelatedPath
                 ));
             }
         }
@@ -109,12 +101,12 @@ public class MergedSpecBuilder {
         Map<String, Object> map = new HashMap<>();
         map.put("openapi", openapiVersion);
         map.put("info", ImmutableMap.of(
-            "title", "merged spec",
+                "title", "merged spec",
-            "description", "merged spec",
+                "description", "merged spec",
-            "version", "1.0.0"
+                "version", "1.0.0"
         ));
         map.put("servers", Collections.singleton(
-            ImmutableMap.of("url", "http://localhost:8080")
+                ImmutableMap.of("url", "http://localhost:8080")
         ));
         return map;
     }
@@ -123,9 +115,9 @@ public class MergedSpecBuilder {
         Path rootDirectory = new File(inputSpecRootDirectory).toPath();
         try (Stream<Path> pathStream = Files.walk(rootDirectory)) {
             return pathStream
-                .filter(path -> !Files.isDirectory(path))
+                    .filter(path -> !Files.isDirectory(path))
-                .map(path -> rootDirectory.relativize(path).toString())
+                    .map(path -> rootDirectory.relativize(path).toString())
-                .collect(Collectors.toList());
+                    .collect(Collectors.toList());
         } catch (IOException e) {
             throw new RuntimeException("Exception while listing files in spec root directory: " + inputSpecRootDirectory, e);
         }
@@ -134,10 +126,12 @@ public class MergedSpecBuilder {
     private void deleteMergedFileFromPreviousRun() {
         try {
             Files.deleteIfExists(Paths.get(inputSpecRootDirectory + File.separator + mergeFileName + ".json"));
-        } catch (IOException e) { }
+        } catch (IOException e) {
+        }
         try {
             Files.deleteIfExists(Paths.get(inputSpecRootDirectory + File.separator + mergeFileName + ".yaml"));
-        } catch (IOException e) { }
+        } catch (IOException e) {
+        }
     }
 
     private static class SpecWithPaths {

modules/openapi-generator/src/main/java/org/openapitools/codegen/examples/ExampleGenerator.java

@@ -248,7 +248,7 @@ public class ExampleGenerator {
         } else if (ModelUtils.isArraySchema(property)) {
             Schema innerType = ModelUtils.getSchemaItems(property);
             if (innerType != null) {
-                int arrayLength = null == property.getMaxItems() ? 2 :  property.getMaxItems();
+                int arrayLength = null == property.getMaxItems() ? 2 : property.getMaxItems();
                 // avoid memory issues by limiting to max. 5 items
                 arrayLength = Math.min(arrayLength, 5);
                 Object[] objectProperties = new Object[arrayLength];
@@ -398,10 +398,11 @@ public class ExampleGenerator {
 
     /**
      * Transverse and resolves all property examples for `allOf` composed schemas into `values` map object
-     * @param mediaType MIME type
+     *
-     * @param schema OAS schema
+     * @param mediaType       MIME type
+     * @param schema          OAS schema
      * @param processedModels Set containing all processed models
-     * @param values Example value map
+     * @param values          Example value map
      */
     private void resolveAllOfSchemaProperties(String mediaType, Schema schema, Set<String> processedModels, Map<String, Object> values) {
         List<Schema> interfaces = schema.getAllOf();

modules/openapi-generator/src/main/java/org/openapitools/codegen/examples/XmlExampleGenerator.java

@@ -172,7 +172,7 @@ public class XmlExampleGenerator {
 
     /**
      * Get the example string value for the given schema.
-     *
+     * <p>
      * If an example value was not provided in the specification, a default will be generated.
      *
      * @param schema Schema to get example string for

modules/openapi-generator/src/main/java/org/openapitools/codegen/exceptions/ProtoBufIndexComputationException.java

@@ -2,8 +2,8 @@ package org.openapitools.codegen.exceptions;
 
 public class ProtoBufIndexComputationException extends Exception {
 
-  public ProtoBufIndexComputationException(String reason) {
+    public ProtoBufIndexComputationException(String reason) {
-    super(reason);
+        super(reason);
-  }
+    }
 
 }

modules/openapi-generator/src/main/java/org/openapitools/codegen/ignore/CodegenIgnoreProcessor.java

@@ -25,7 +25,10 @@ import org.slf4j.LoggerFactory;
 import java.io.*;
 import java.nio.charset.StandardCharsets;
 import java.nio.file.Files;
-import java.util.*;
+import java.util.ArrayList;
+import java.util.Collections;
+import java.util.List;
+import java.util.Locale;
 
 import static java.nio.file.StandardCopyOption.REPLACE_EXISTING;
 
@@ -113,15 +116,15 @@ public class CodegenIgnoreProcessor {
             // NOTE: Comments that start with a : (e.g. //:) are pulled from git documentation for .gitignore
             // see: https://github.com/git/git/blob/90f7b16b3adc78d4bbabbd426fb69aa78c714f71/Documentation/gitignore.txt
             while ((line = reader.readLine()) != null) {
-                if(
+                if (
                     //: A blank line matches no files, so it can serve as a separator for readability.
-                    line.length() == 0
+                        line.length() == 0
                 ) continue;
 
                 Rule rule = Rule.create(line);
 
                 // rule could be null here if it's a COMMENT, for example
-                if(rule != null) {
+                if (rule != null) {
                     if (Boolean.TRUE.equals(rule.getNegated())) {
                         inclusionRules.add(rule);
                     } else {
@@ -140,12 +143,12 @@ public class CodegenIgnoreProcessor {
      * @return {@code false} if file matches any pattern in the ignore file (disallowed), otherwise {@code true} (allowed).
      */
     public boolean allowsFile(final File targetFile) {
-        if(this.ignoreFile == null) return true;
+        if (this.ignoreFile == null) return true;
 
         File file = new File(this.ignoreFile.getAbsoluteFile().getParentFile().toURI().relativize(targetFile.toURI()).getPath());
         boolean directoryExcluded = false;
         boolean exclude = false;
-        if(exclusionRules.size() == 0 && inclusionRules.size() == 0) {
+        if (exclusionRules.size() == 0 && inclusionRules.size() == 0) {
             return true;
         }
 
@@ -154,12 +157,12 @@ public class CodegenIgnoreProcessor {
             Rule current = exclusionRules.get(i);
             Rule.Operation op = current.evaluate(file.getPath());
 
-            switch (op){
+            switch (op) {
                 case EXCLUDE:
                     exclude = true;
 
                     // Include rule can't override rules that exclude a file by some parent directory.
-                    if(current instanceof DirectoryRule) {
+                    if (current instanceof DirectoryRule) {
                         directoryExcluded = true;
                     }
                     break;
@@ -174,7 +177,7 @@ public class CodegenIgnoreProcessor {
             }
         }
 
-        if(exclude) {
+        if (exclude) {
             // Only need to process inclusion rules if we've been excluded
             for (int i = 0; exclude && i < inclusionRules.size(); i++) {
                 Rule current = inclusionRules.get(i);
@@ -182,8 +185,8 @@ public class CodegenIgnoreProcessor {
 
                 // At this point exclude=true means the file should be ignored.
                 // op == INCLUDE means we have to flip that flag.
-                if(op.equals(Rule.Operation.INCLUDE)) {
+                if (op.equals(Rule.Operation.INCLUDE)) {
-                    if(current instanceof DirectoryRule && directoryExcluded) {
+                    if (current instanceof DirectoryRule && directoryExcluded) {
                         // e.g
                         // baz/
                         // !foo/bar/baz/
@@ -216,7 +219,7 @@ public class CodegenIgnoreProcessor {
     /**
      * Allows a consumer to manually inspect all "exclusion rules". That is, patterns in the ignore file which represent
      * files and directories to be excluded, unless explicitly overridden by {@link CodegenIgnoreProcessor#getInclusionRules()} rules.
-     *
+     * <p>
      * NOTE: Existence in this list doesn't mean a file is excluded. The rule can be overridden by {@link CodegenIgnoreProcessor#getInclusionRules()} rules.
      *
      * @return A {@link Collections#unmodifiableList(List)} of rules which define exclusions by patterns in the ignore file.

modules/openapi-generator/src/main/java/org/openapitools/codegen/ignore/rules/DirectoryRule.java

@@ -32,7 +32,7 @@ public class DirectoryRule extends FileRule {
         StringBuilder sb = new StringBuilder();
         sb.append("glob:");
         sb.append(pattern);
-        if(!pattern.endsWith("/")) sb.append("/");
+        if (!pattern.endsWith("/")) sb.append("/");
         directoryMatcher = FileSystems.getDefault().getPathMatcher(sb.toString());
         sb.append("**");
         contentsMatcher = FileSystems.getDefault().getPathMatcher(sb.toString());

modules/openapi-generator/src/main/java/org/openapitools/codegen/ignore/rules/EverythingRule.java

@@ -33,5 +33,7 @@ public class EverythingRule extends Rule {
     }
 
     @Override
-    protected Operation getExcludeOperation(){ return Operation.EXCLUDE_AND_TERMINATE; }
+    protected Operation getExcludeOperation() {
+        return Operation.EXCLUDE_AND_TERMINATE;
+    }
 }

modules/openapi-generator/src/main/java/org/openapitools/codegen/ignore/rules/FileRule.java

@@ -27,7 +27,7 @@ public class FileRule extends Rule {
 
     FileRule(List<Part> syntax, String definition) {
         super(syntax, definition);
-        matcher = FileSystems.getDefault().getPathMatcher("glob:"+this.getPattern());
+        matcher = FileSystems.getDefault().getPathMatcher("glob:" + this.getPattern());
     }
 
     @Override

modules/openapi-generator/src/main/java/org/openapitools/codegen/ignore/rules/IgnoreLineParser.java

@@ -23,7 +23,8 @@ import java.util.ArrayList;
 import java.util.List;
 
 public class IgnoreLineParser {
-    @Getter enum Token {
+    @Getter
+    enum Token {
         MATCH_ALL("**"),
         MATCH_ANY("*"),
         ESCAPED_EXCLAMATION("\\!"),
@@ -84,8 +85,8 @@ public class IgnoreLineParser {
 
                 if (Token.MATCH_ANY.pattern.equals(next)) {
                     // peek ahead for invalid pattern. Slightly inefficient, but acceptable.
-                    if ((i+2 < totalLength - 1) &&
+                    if ((i + 2 < totalLength - 1) &&
-                            String.valueOf(characters[i+2]).equals(Token.MATCH_ANY.pattern)) {
+                            String.valueOf(characters[i + 2]).equals(Token.MATCH_ANY.pattern)) {
                         // It doesn't matter where we are in the pattern, *** is invalid.
                         throw new ParserException("The pattern *** is invalid.");
                     }
@@ -129,7 +130,7 @@ public class IgnoreLineParser {
                     }
 
                     parts.add(new Part(Token.PATH_DELIM));
-                    if(Token.PATH_DELIM.pattern.equals(next)) {
+                    if (Token.PATH_DELIM.pattern.equals(next)) {
                         // ignore doubled path delims. NOTE: doesn't do full lookahead, so /// will result in //
                         i++;
                     }

modules/openapi-generator/src/main/java/org/openapitools/codegen/ignore/rules/InvalidRule.java

@@ -21,7 +21,8 @@ import lombok.Getter;
 
 import java.util.List;
 
-@Getter public class InvalidRule extends Rule {
+@Getter
+public class InvalidRule extends Rule {
     private final String reason;
 
     InvalidRule(List<Part> syntax, String definition, String reason) {

modules/openapi-generator/src/main/java/org/openapitools/codegen/ignore/rules/Part.java

@@ -19,7 +19,8 @@ package org.openapitools.codegen.ignore.rules;
 
 import lombok.Getter;
 
-@Getter class Part {
+@Getter
+class Part {
     private final IgnoreLineParser.Token token;
     private final String value;
 

modules/openapi-generator/src/main/java/org/openapitools/codegen/ignore/rules/RootedFileRule.java

@@ -36,12 +36,12 @@ public class RootedFileRule extends Rule {
         definedExtension = getExtensionPart(definition, separatorIndex);
     }
 
-    private String getFilenamePart(final String input, int stopIndex){
+    private String getFilenamePart(final String input, int stopIndex) {
         return input.substring('/' == input.charAt(0) ? 1 : 0, stopIndex > 0 ? stopIndex : input.length());
     }
 
     private String getExtensionPart(final String input, int stopIndex) {
-        return input.substring(stopIndex > 0 ? stopIndex+1: input.length());
+        return input.substring(stopIndex > 0 ? stopIndex + 1 : input.length());
     }
 
     @Override
@@ -51,13 +51,13 @@ public class RootedFileRule extends Rule {
         //       relativePath will be passed by CodegenIgnoreProcessor and is relative to .codegen-ignore.
         boolean isSingleFile = relativePath.lastIndexOf("/") <= 0;
 
-        if(isSingleFile) {
+        if (isSingleFile) {
             int separatorIndex = relativePath.lastIndexOf(".");
             final String filename = getFilenamePart(relativePath, separatorIndex);
             final String extension = getExtensionPart(relativePath, separatorIndex);
             boolean extensionMatches = definedExtension.equals(extension) || definedExtension.equals(IgnoreLineParser.Token.MATCH_ANY.getPattern());
 
-            if(extensionMatches && definedFilename.contains(IgnoreLineParser.Token.MATCH_ANY.getPattern())) {
+            if (extensionMatches && definedFilename.contains(IgnoreLineParser.Token.MATCH_ANY.getPattern())) {
                 // TODO: Evaluate any other escape requirements here.
                 Pattern regex = Pattern.compile(
                         definedFilename

modules/openapi-generator/src/main/java/org/openapitools/codegen/ignore/rules/Rule.java

@@ -38,7 +38,7 @@ public abstract class Rule {
     public abstract Boolean matches(String relativePath);
 
     protected String getPattern() {
-        if(syntax == null) return this.definition;
+        if (syntax == null) return this.definition;
 
         StringBuilder sb = new StringBuilder();
         for (Part current : syntax) {
@@ -75,7 +75,7 @@ public abstract class Rule {
 
     public Operation evaluate(String relativePath) {
         if (Boolean.TRUE.equals(matches(relativePath))) {
-            if(Boolean.TRUE.equals(this.getNegated())) {
+            if (Boolean.TRUE.equals(this.getNegated())) {
                 return this.getIncludeOperation();
             }
             return this.getExcludeOperation();
@@ -83,8 +83,13 @@ public abstract class Rule {
         return Operation.NOOP;
     }
 
-    protected Operation getIncludeOperation(){ return Operation.INCLUDE; }
+    protected Operation getIncludeOperation() {
-    protected Operation getExcludeOperation(){ return Operation.EXCLUDE; }
+        return Operation.INCLUDE;
+    }
+
+    protected Operation getExcludeOperation() {
+        return Operation.EXCLUDE;
+    }
 
     public static Rule create(String definition) {
         // NOTE: Comments that start with a : (e.g. //:) are pulled from git documentation for .gitignore

modules/openapi-generator/src/main/java/org/openapitools/codegen/languages/AbstractAdaCodegen.java

@@ -27,12 +27,7 @@ import io.swagger.v3.oas.models.servers.Server;
 import org.apache.commons.io.FilenameUtils;
 import org.apache.commons.lang3.StringUtils;
 import org.openapitools.codegen.*;
-import org.openapitools.codegen.meta.features.ClientModificationFeature;
+import org.openapitools.codegen.meta.features.*;
-import org.openapitools.codegen.meta.features.DocumentationFeature;
-import org.openapitools.codegen.meta.features.GlobalFeature;
-import org.openapitools.codegen.meta.features.SchemaSupportFeature;
-import org.openapitools.codegen.meta.features.SecurityFeature;
-import org.openapitools.codegen.meta.features.WireFormatFeature;
 import org.openapitools.codegen.model.ModelMap;
 import org.openapitools.codegen.model.ModelsMap;
 import org.openapitools.codegen.model.OperationMap;

modules/openapi-generator/src/main/java/org/openapitools/codegen/languages/AbstractCSharpCodegen.java

@@ -18,10 +18,9 @@
 package org.openapitools.codegen.languages;
 
 import com.google.common.collect.ImmutableMap;
-import com.samskivert.mustache.Mustache.Lambda;
 import com.samskivert.mustache.Mustache;
+import com.samskivert.mustache.Mustache.Lambda;
 import com.samskivert.mustache.Template;
-
 import io.swagger.v3.oas.models.media.Schema;
 import lombok.Getter;
 import lombok.Setter;
@@ -504,7 +503,9 @@ public abstract class AbstractCSharpCodegen extends DefaultCodegen {
         }
     }
 
-    /** If the value can be parsed as a double, returns the value, otherwise returns null */
+    /**
+     * If the value can be parsed as a double, returns the value, otherwise returns null
+     */
     public static Double asDouble(String strNum) {
         if (strNum == null) {
             return null;
@@ -516,7 +517,9 @@ public abstract class AbstractCSharpCodegen extends DefaultCodegen {
         }
     }
 
-    /** If the value can be parsed as an integer, returns the value, otherwise returns null */
+    /**
+     * If the value can be parsed as an integer, returns the value, otherwise returns null
+     */
     public static Integer asInteger(String strNum) {
         if (strNum == null) {
             return null;
@@ -751,7 +754,7 @@ public abstract class AbstractCSharpCodegen extends DefaultCodegen {
 
         property.name = patchPropertyName(model, property.name);
 
-        String[] nestedTypes = { "List", "Collection", "ICollection", "Dictionary" };
+        String[] nestedTypes = {"List", "Collection", "ICollection", "Dictionary"};
 
         Arrays.stream(nestedTypes).forEach(nestedType -> {
             // fix incorrect data types for maps of maps
@@ -835,6 +838,7 @@ public abstract class AbstractCSharpCodegen extends DefaultCodegen {
             httpStatusesWithReturn.add(status);
         }
     }
+
     private HashMap<String, String> duplicateOf = new HashMap<String, String>();
 
     @Override
@@ -876,7 +880,7 @@ public abstract class AbstractCSharpCodegen extends DefaultCodegen {
                             }
 
                             String code = response.code.toLowerCase(Locale.ROOT);
-                            switch(code) {
+                            switch (code) {
                                 case "default":
                                 case "0":
                                     postProcessResponseCode(response, "Default", httpStatusesWithReturn);
@@ -1242,7 +1246,7 @@ public abstract class AbstractCSharpCodegen extends DefaultCodegen {
     }
 
     protected void processOperation(CodegenOperation operation) {
-        String[] nestedTypes = { "List", "Collection", "ICollection", "Dictionary" };
+        String[] nestedTypes = {"List", "Collection", "ICollection", "Dictionary"};
 
         Arrays.stream(nestedTypes).forEach(nestedType -> {
             if (operation.returnProperty != null && operation.returnType.contains("<" + nestedType + ">") && operation.returnProperty.items != null) {
@@ -1707,8 +1711,7 @@ public abstract class AbstractCSharpCodegen extends DefaultCodegen {
      * @param name The original name
      * @return The adjusted name
      */
-    private String adjustNamingStyle(String name)
+    private String adjustNamingStyle(String name) {
-    {
         switch (getEnumPropertyNaming()) {
             case camelCase:
                 // NOTE: Removes hyphens and underscores
@@ -1765,7 +1768,9 @@ public abstract class AbstractCSharpCodegen extends DefaultCodegen {
         return (this.getValueTypes().contains(var.dataType) || var.isEnum);
     }
 
-    protected boolean useNet60OrLater() { return false; }
+    protected boolean useNet60OrLater() {
+        return false;
+    }
 
     protected boolean useDateOnly() {
         return useNet60OrLater() && !useDateTimeForDateFlag;
@@ -1915,7 +1920,7 @@ public abstract class AbstractCSharpCodegen extends DefaultCodegen {
 
         // only process files with .cs extension
         if ("cs".equals(FilenameUtils.getExtension(file.toString()))) {
-            this.executePostProcessor(new String[] {csharpPostProcessFile, file.toString()});
+            this.executePostProcessor(new String[]{csharpPostProcessFile, file.toString()});
         }
     }
 
@@ -1936,12 +1941,12 @@ public abstract class AbstractCSharpCodegen extends DefaultCodegen {
             Pattern hasModifiers = Pattern.compile(".*/[gmiyuvsdlnx]+$");
 
             int end = hasModifiers.matcher(pattern).find()
-                ? pattern.lastIndexOf('/')
+                    ? pattern.lastIndexOf('/')
-                : pattern.length() - 1;
+                    : pattern.length() - 1;
 
             int start = pattern.startsWith("/")
-                ? 1
+                    ? 1
-                : 0;
+                    : 0;
 
             Map<Character, String> optionsMap = new HashMap<Character, String>();
             optionsMap.put('i', "IgnoreCase");
@@ -1956,7 +1961,7 @@ public abstract class AbstractCSharpCodegen extends DefaultCodegen {
             for (char c : pattern.substring(end).toCharArray()) {
                 if (optionsMap.containsKey(c)) {
                     modifiers.add(optionsMap.get(c));
-                } else if (c == 'l'){
+                } else if (c == 'l') {
                     modifiers.remove("CultureInvariant");
                 } else {
                     vendorExtensions.put("x-modifier-" + c, c);

modules/openapi-generator/src/main/java/org/openapitools/codegen/languages/AbstractCppCodegen.java

@@ -19,15 +19,14 @@ package org.openapitools.codegen.languages;
 
 import com.google.common.collect.ImmutableMap;
 import com.samskivert.mustache.Mustache.Lambda;
-
 import io.swagger.v3.oas.models.OpenAPI;
 import io.swagger.v3.oas.models.media.Schema;
 import io.swagger.v3.oas.models.servers.Server;
-import io.swagger.v3.oas.models.servers.ServerVariables;
 import io.swagger.v3.oas.models.servers.ServerVariable;
-import org.openapitools.codegen.*;
+import io.swagger.v3.oas.models.servers.ServerVariables;
 import org.apache.commons.io.FilenameUtils;
 import org.apache.commons.lang3.StringUtils;
+import org.openapitools.codegen.*;
 import org.openapitools.codegen.model.ModelMap;
 import org.openapitools.codegen.model.ModelsMap;
 import org.openapitools.codegen.templating.mustache.IndentedLambda;
@@ -38,11 +37,7 @@ import org.slf4j.LoggerFactory;
 
 import java.io.File;
 import java.net.URL;
-import java.util.ArrayList;
+import java.util.*;
-import java.util.Arrays;
-import java.util.HashSet;
-import java.util.List;
-import java.util.Map;
 
 abstract public class AbstractCppCodegen extends DefaultCodegen implements CodegenConfig {
     private final Logger LOGGER = LoggerFactory.getLogger(AbstractCppCodegen.class);
@@ -348,7 +343,7 @@ abstract public class AbstractCppCodegen extends DefaultCodegen implements Codeg
         }
         // only process files with cpp extension
         if ("cpp".equals(FilenameUtils.getExtension(file.toString())) || "h".equals(FilenameUtils.getExtension(file.toString()))) {
-            this.executePostProcessor(new String[] {cppPostProcessFile, file.toString()});
+            this.executePostProcessor(new String[]{cppPostProcessFile, file.toString()});
         }
     }
 

modules/openapi-generator/src/main/java/org/openapitools/codegen/languages/AbstractDartCodegen.java

@@ -806,7 +806,7 @@ public abstract class AbstractDartCodegen extends DefaultCodegen {
         // process all files with dart extension
         if ("dart".equals(FilenameUtils.getExtension(file.toString()))) {
             // currently supported is "dartfmt -w" and "dart format"
-            this.executePostProcessor(new String[] {dartPostProcessFile, file.toString()});
+            this.executePostProcessor(new String[]{dartPostProcessFile, file.toString()});
         }
     }