Refactoring: Use lombok for simple getters & setters (#18559)

* Add missing @Override annotation

* Fix JavaDoc unresolved symbol

* Fix JavaDoc method link

* Remove unnecessary semicolon

* Remove method identical to super implementations

* Replace repetitive getter code with Lombok @Getter

See https://projectlombok.org/features/GetterSetter

* Replace repetitive setter code with Lombok @Setter

See https://projectlombok.org/features/GetterSetter

* Generate no-args constructor with Lombok

* Generate all-args constructor with Lombok

* Fix parameter naming

* Replace stubbed abstract class implementations with Mockito mocks

* Remove unused import(s)

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

@@ -51,6 +51,7 @@ import com.google.common.io.ByteSource;
 import com.google.common.io.CharSource;
 import io.swagger.v3.parser.core.models.ParseOptions;
 import io.swagger.v3.parser.util.ClasspathHelper;
+import lombok.Setter;
 import org.apache.commons.io.FileUtils;
 import org.apache.commons.io.FilenameUtils;
 import org.apache.commons.lang3.StringUtils;
@@ -96,6 +97,7 @@ public class CodeGenMojo extends AbstractMojo {
      * The build context is only avail when running from within eclipse.
      * It is used to update the eclipse-m2e-layer when the plugin is executed inside the IDE.
      */
+    @Setter
     @Component
     private BuildContext buildContext = new DefaultBuildContext();
 
@@ -556,10 +558,6 @@ public class CodeGenMojo extends AbstractMojo {
     @Parameter(readonly = true, required = true, defaultValue = "${project}")
     private MavenProject project;
 
-    public void setBuildContext(BuildContext buildContext) {
-        this.buildContext = buildContext;
-    }
-
     @Override
     public void execute() throws MojoExecutionException {
         if (StringUtils.isBlank(inputSpec) && StringUtils.isBlank(inputSpecRootDirectory)) {

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

@@ -39,10 +39,8 @@ import org.apache.maven.project.ProjectBuilder;
 import org.apache.maven.project.ProjectBuildingRequest;
 import org.apache.maven.repository.internal.MavenRepositorySystemUtils;
 import org.eclipse.aether.DefaultRepositorySystemSession;
-import org.eclipse.aether.impl.DefaultServiceLocator;
 import org.eclipse.aether.internal.impl.SimpleLocalRepositoryManagerFactory;
 import org.eclipse.aether.repository.LocalRepository;
-import org.eclipse.aether.RepositorySystem;
 
 public class CodeGenMojoTest extends BaseTestCase {
     @Override