diff --git a/modules/openapi-generator/src/main/java/org/openapitools/codegen/languages/FlashClientCodegen.java b/modules/openapi-generator/src/main/java/org/openapitools/codegen/languages/FlashClientCodegen.java
new file mode 100755
index 00000000000..7ac28a916bb
--- /dev/null
+++ b/modules/openapi-generator/src/main/java/org/openapitools/codegen/languages/FlashClientCodegen.java
@@ -0,0 +1,369 @@
+package org.openapitools.codegen.languages;
+
+import org.openapitools.codegen.*;
+import org.openapitools.codegen.utils.*;
+import org.openapitools.codegen.mustache.*;
+import io.swagger.v3.oas.models.security.SecurityScheme;
+import io.swagger.v3.oas.models.*;
+import io.swagger.v3.oas.models.media.*;
+import io.swagger.v3.oas.models.responses.ApiResponse;
+import io.swagger.v3.oas.models.parameters.*;
+
+import java.io.File;
+import java.util.Arrays;
+import java.util.HashMap;
+import java.util.HashSet;
+import org.apache.commons.lang3.StringUtils;
+
+
+public class FlashClientCodegen extends DefaultCodegen implements CodegenConfig {
+    protected String packageName = "io.swagger";
+    protected String packageVersion;
+
+    protected String invokerPackage = "io.swagger";
+    protected String sourceFolder = "flash";
+
+    public FlashClientCodegen() {
+        super();
+
+        modelPackage = "io.swagger.client.model";
+        apiPackage = "io.swagger.client.api";
+        outputFolder = "generated-code" + File.separatorChar + "flash";
+        modelTemplateFiles.put("model.mustache", ".as");
+        modelTemplateFiles.put("modelList.mustache", "List.as");
+        apiTemplateFiles.put("api.mustache", ".as");
+        embeddedTemplateDir = templateDir = "flash";
+
+        languageSpecificPrimitives.clear();
+        languageSpecificPrimitives.add("Number");
+        languageSpecificPrimitives.add("Boolean");
+        languageSpecificPrimitives.add("String");
+        languageSpecificPrimitives.add("Date");
+        languageSpecificPrimitives.add("Array");
+        languageSpecificPrimitives.add("Dictionary");
+
+        typeMapping.clear();
+        typeMapping.put("integer", "Number");
+        typeMapping.put("float", "Number");
+        typeMapping.put("long", "Number");
+        typeMapping.put("double", "Number");
+        typeMapping.put("array", "Array");
+        typeMapping.put("map", "Dictionary");
+        typeMapping.put("boolean", "Boolean");
+        typeMapping.put("string", "String");
+        typeMapping.put("date", "Date");
+        typeMapping.put("DateTime", "Date");
+        typeMapping.put("object", "Object");
+        typeMapping.put("file", "File");
+        typeMapping.put("UUID", "String");
+        //TODO binary should be mapped to byte array
+        // mapped to String as a workaround
+        typeMapping.put("binary", "String");
+
+        importMapping = new HashMap<String, String>();
+        importMapping.put("File", "flash.filesystem.File");
+
+        // from
+        setReservedWordsLowerCase(Arrays.asList("add", "for", "lt", "tellTarget", "and",
+                "function", "ne", "this", "break", "ge", "new", "typeof", "continue", "gt", "not",
+                "var", "delete", "if", "on", "void", "do", "ifFrameLoaded", "onClipEvent", "while",
+                "else", "in", "or", "with", "eq", "le", "return"));
+
+        cliOptions.clear();
+        cliOptions.add(new CliOption(CodegenConstants.PACKAGE_NAME, "flash package name (convention:" +
+                " package.name)").defaultValue("io.swagger"));
+        cliOptions.add(new CliOption(CodegenConstants.PACKAGE_VERSION, "flash package version")
+                .defaultValue("1.0.0"));
+        cliOptions.add(new CliOption(CodegenConstants.INVOKER_PACKAGE, CodegenConstants.INVOKER_PACKAGE_DESC));
+        cliOptions.add(new CliOption(CodegenConstants.SOURCE_FOLDER, "source folder for generated " +
+                "code. e.g. flash"));
+
+    }
+
+    @Override
+    public void processOpts() {
+        super.processOpts();
+
+        if (additionalProperties.containsKey(CodegenConstants.INVOKER_PACKAGE)) {
+            this.setInvokerPackage((String) additionalProperties.get(CodegenConstants.INVOKER_PACKAGE));
+        } else {
+            //not set, use default to be passed to template
+            additionalProperties.put(CodegenConstants.INVOKER_PACKAGE, invokerPackage);
+        }
+
+        if (additionalProperties.containsKey(CodegenConstants.SOURCE_FOLDER)) {
+            this.setSourceFolder((String) additionalProperties.get(CodegenConstants.SOURCE_FOLDER));
+        }
+
+        if (additionalProperties.containsKey(CodegenConstants.PACKAGE_NAME)) {
+            setPackageName((String) additionalProperties.get(CodegenConstants.PACKAGE_NAME));
+            apiPackage = packageName + ".client.api";
+            modelPackage = packageName + ".client.model";
+        }
+        else {
+            setPackageName("io.swagger");
+        }
+
+        if (additionalProperties.containsKey(CodegenConstants.PACKAGE_VERSION)) {
+            setPackageVersion((String) additionalProperties.get(CodegenConstants.PACKAGE_VERSION));
+        }
+        else {
+            setPackageVersion("1.0.0");
+        }
+
+        additionalProperties.put(CodegenConstants.PACKAGE_NAME, packageName);
+        additionalProperties.put(CodegenConstants.PACKAGE_VERSION, packageVersion);
+
+        //modelPackage = invokerPackage + File.separatorChar + "client" + File.separatorChar + "model";
+        //apiPackage = invokerPackage + File.separatorChar + "client" + File.separatorChar + "api";
+
+        final String invokerFolder = (sourceFolder + File.separator + "src/" + invokerPackage + File.separator).replace(".", File.separator).replace('.', File.separatorChar);
+
+        supportingFiles.add(new SupportingFile("ApiInvoker.as", invokerFolder + "common", "ApiInvoker.as"));
+        supportingFiles.add(new SupportingFile("ApiUrlHelper.as", invokerFolder + "common", "ApiUrlHelper.as"));
+        supportingFiles.add(new SupportingFile("ApiUserCredentials.as", invokerFolder + "common", "ApiUserCredentials.as"));
+        supportingFiles.add(new SupportingFile("ListWrapper.as", invokerFolder + "common", "ListWrapper.as"));
+        supportingFiles.add(new SupportingFile("SwaggerApi.as", invokerFolder + "common", "SwaggerApi.as"));
+        supportingFiles.add(new SupportingFile("XMLWriter.as", invokerFolder + "common", "XMLWriter.as"));
+        supportingFiles.add(new SupportingFile("ApiError.as", invokerFolder + "exception", "ApiError.as"));
+        supportingFiles.add(new SupportingFile("ApiErrorCodes.as", invokerFolder + "exception", "ApiErrorCodes.as"));
+        supportingFiles.add(new SupportingFile("ApiClientEvent.as", invokerFolder + "event", "ApiClientEvent.as"));
+        supportingFiles.add(new SupportingFile("Response.as", invokerFolder + "event", "Response.as"));
+        supportingFiles.add(new SupportingFile("build.properties", sourceFolder, "build.properties"));
+        supportingFiles.add(new SupportingFile("build.xml", sourceFolder, "build.xml"));
+        supportingFiles.add(new SupportingFile("README.txt", sourceFolder, "README.txt"));
+        //supportingFiles.add(new SupportingFile("AirExecutorApp-app.xml", sourceFolder + File.separatorChar
+        //        + "bin", "AirExecutorApp-app.xml"));
+        supportingFiles.add(new SupportingFile("ASAXB-0.1.1.swc", sourceFolder + File.separatorChar
+                + "lib", "ASAXB-0.1.1.swc"));
+        supportingFiles.add(new SupportingFile("as3corelib.swc", sourceFolder + File.separatorChar
+                + "lib", "as3corelib.swc"));
+        supportingFiles.add(new SupportingFile("flexunit-4.1.0_RC2-28-flex_3.5.0.12683.swc", sourceFolder
+                + File.separator + "lib" + File.separator + "ext", "flexunit-4.1.0_RC2-28-flex_3.5.0.12683.swc"));
+        supportingFiles.add(new SupportingFile("flexunit-aircilistener-4.1.0_RC2-28-3.5.0.12683.swc", sourceFolder
+                + File.separator + "lib" + File.separator + "ext", "flexunit-aircilistener-4.1.0_RC2-28-3.5.0.12683.swc"));
+        supportingFiles.add(new SupportingFile("flexunit-cilistener-4.1.0_RC2-28-3.5.0.12683.swc", sourceFolder
+                + File.separator + "lib" + File.separator + "ext", "flexunit-cilistener-4.1.0_RC2-28-3.5.0.12683.swc"));
+        supportingFiles.add(new SupportingFile("flexunit-core-flex-4.0.0.2-sdk3.5.0.12683.swc", sourceFolder
+                + File.separator + "lib" + File.separator + "ext", "flexunit-core-flex-4.0.0.2-sdk3.5.0.12683.swc"));
+        supportingFiles.add(new SupportingFile("git_push.sh.mustache", "", "git_push.sh"));
+        supportingFiles.add(new SupportingFile("gitignore.mustache", "", ".gitignore"));
+    }
+
+    private static String dropDots(String str) {
+        return str.replaceAll("\\.", "_");
+    }
+
+    @Override
+    public CodegenType getTag() {
+        return CodegenType.CLIENT;
+    }
+
+    @Override
+    public String getName() {
+        return "flash";
+    }
+
+    @Override
+    public String getHelp() {
+        return "Generates a Flash client library.";
+    }
+
+    @Override
+    public String escapeReservedWord(String name) {           
+        if(this.reservedWordsMappings().containsKey(name)) {
+            return this.reservedWordsMappings().get(name);
+        }
+        return "_" + name;
+    }
+
+    @Override
+    public String apiFileFolder() {
+        return (outputFolder + File.separatorChar + sourceFolder + File.separatorChar + "src/"
+                + apiPackage().replace('.', File.separatorChar)).replace('/', File.separatorChar);
+    }
+
+    @Override
+    public String modelFileFolder() {
+        return (outputFolder + File.separatorChar + sourceFolder + File.separatorChar + "src/"
+                + modelPackage().replace('.', File.separatorChar)).replace('/', File.separatorChar);
+    }
+
+    @Override
+    public String getTypeDeclaration(Schema p) {
+        if (p instanceof ArraySchema || isMapSchema(p)) {
+            return getSchemaType(p);
+        }
+        return super.getTypeDeclaration(p);
+    }
+
+    @Override
+    public String getSchemaType(Schema p) {
+        String schemaType = super.getSchemaType(p);
+        String type = null;
+        if (typeMapping.containsKey(schemaType)) {
+            type = typeMapping.get(schemaType);
+            if (languageSpecificPrimitives.contains(type)) {
+                return type;
+            }
+        } else {
+            type = toModelName(schemaType);
+        }
+        return type;
+    }
+
+    @Override
+    public String toDefaultValue(Schema p) {
+        if (p instanceof StringSchema) {
+            return "null";
+        } else if (p instanceof BooleanSchema) {
+            return "false";
+        } else if (p instanceof DateSchema) {
+            return "null";
+        } else if (p instanceof DateTimeSchema) {
+            return "null";
+        } else if (p instanceof NumberSchema) {
+            if (p.getDefault() != null) {
+                return p.getDefault().toString();
+            }
+            return "0.0";
+        } else if (p instanceof IntegerSchema) {
+            if (p.getDefault() != null) {
+                return p.getDefault().toString();
+            }
+            return "0";
+        } else if (isMapSchema(p)) {
+            return "new Dictionary()";
+        } else if (p instanceof ArraySchema) {
+            return "new Array()";
+        } else {
+            return "NaN";
+        }
+    }
+
+    @Override
+    public String toVarName(String name) {
+        // replace - with _ e.g. created-at => created_at
+        name = name.replaceAll("-", "_"); // FIXME: a parameter should not be assigned. Also declare the methods parameters as 'final'.
+
+        // if it's all uppper case, convert to lower case
+        if (name.matches("^[A-Z_]*$")) {
+            name = name.toLowerCase();
+        }
+
+        // underscore the variable name
+        // petId => pet_id
+        name = camelize(dropDots(name), true);
+
+        // for reserved word or word starting with number, append _
+        if (isReservedWord(name) || name.matches("^\\d.*")) {
+            name = escapeReservedWord(name);
+        }
+
+        return name;
+    }
+
+    @Override
+    public String toParamName(String name) {
+        // should be the same as variable name
+        return toVarName(name);
+    }
+
+    @Override
+    public String toModelName(String name) {
+        if (!StringUtils.isEmpty(modelNamePrefix)) {
+            name = modelNamePrefix + "_" + name;
+        }
+
+        if (!StringUtils.isEmpty(modelNameSuffix)) {
+            name = name + "_" + modelNameSuffix;
+        }
+
+        name = sanitizeName(name);
+
+        // model name cannot use reserved keyword, e.g. return
+        if (isReservedWord(name)) {
+            LOGGER.warn(name + " (reserved word) cannot be used as model name. Renamed to " + camelize("model_" + name));
+            name = "model_" + name; // e.g. return => ModelReturn (after camelize)
+        }
+
+        // camelize the model name
+        // phone_number => PhoneNumber
+        return camelize(name);
+    }
+
+    @Override
+    public String toModelFilename(String name) {
+        // leverage toModelName
+        return dropDots(toModelName(name));
+    }
+
+    @Override
+    public String toApiFilename(String name) {
+        // replace - with _ e.g. created-at => created_at
+        name = name.replaceAll("-", "_"); // FIXME: a parameter should not be assigned. Also declare the methods parameters as 'final'.
+
+        // e.g. PhoneNumberApi.rb => phone_number_api.rb
+        return camelize(name) + "Api";
+    }
+
+    @Override
+    public String toApiName(String name) {
+        if (name.length() == 0) {
+            return "DefaultApi";
+        }
+        // e.g. phone_number_api => PhoneNumberApi
+        return camelize(name) + "Api";
+    }
+
+    @Override
+    public String toApiVarName(String name) {
+        if (name.length() == 0) {
+            return "DefaultApi";
+        }
+        return camelize(name) + "Api";
+    }
+
+    @Override
+    public String toOperationId(String operationId) {
+        // throw exception if method name is empty
+        if (StringUtils.isEmpty(operationId)) {
+            throw new RuntimeException("Empty method name (operationId) not allowed");
+        }
+
+        // method name cannot use reserved keyword, e.g. return
+        if (isReservedWord(operationId)) {
+            LOGGER.warn(operationId + " (reserved word) cannot be used as method name. Renamed to " + underscore(sanitizeName("call_" + operationId)));
+            operationId = "call_" + operationId;
+        }
+
+        return underscore(operationId);
+    }
+
+    public void setPackageName(String packageName) {
+        this.packageName = packageName;
+    }
+
+    public void setPackageVersion(String packageVersion) {
+        this.packageVersion = packageVersion;
+    }
+
+    public void setInvokerPackage(String invokerPackage) {
+        this.invokerPackage = invokerPackage;
+    }
+
+    public void setSourceFolder(String sourceFolder) {
+        this.sourceFolder = sourceFolder;
+    }
+
+    @Override
+    public String escapeQuotationMark(String input) {
+        // remove " to avoid code injection
+        return input.replace("\"", "");
+    }
+
+    @Override
+    public String escapeUnsafeCharacters(String input) {
+        return input.replace("*/", "*_/").replace("/*", "/_*");
+    }
+}
diff --git a/modules/openapi-generator/src/main/resources/META-INF/services/org.openapitools.codegen.CodegenConfig b/modules/openapi-generator/src/main/resources/META-INF/services/org.openapitools.codegen.CodegenConfig
index 5989a0086af..03425d7bbd4 100644
--- a/modules/openapi-generator/src/main/resources/META-INF/services/org.openapitools.codegen.CodegenConfig
+++ b/modules/openapi-generator/src/main/resources/META-INF/services/org.openapitools.codegen.CodegenConfig
@@ -20,6 +20,7 @@ org.openapitools.codegen.languages.DartClientCodegen
 org.openapitools.codegen.languages.ElixirClientCodegen
 org.openapitools.codegen.languages.ErlangClientCodegen
 org.openapitools.codegen.languages.ErlangServerCodegen
+org.openapitools.codegen.languages.FlashClientCodegen
 org.openapitools.codegen.languages.FinchServerCodegen
 org.openapitools.codegen.languages.GoClientCodegen
 org.openapitools.codegen.languages.GoServerCodegen