[java][micronaut] minor improvements (#10158)

* mark java micronaut generator as beta

* update doc

bin/configs/java-micronaut-client.yaml

@@ -1,4 +1,4 @@
-generatorName: micronaut-client
+generatorName: java-micronaut-client
 outputDir: samples/client/petstore/java-micronaut-client/
 inputSpec: modules/openapi-generator/src/test/resources/2_0/petstore-with-fake-endpoints-models-for-testing.yaml
 additionalProperties:

docs/generators.md

@@ -36,6 +36,7 @@ The following generators are available:
 * [groovy](generators/groovy.md)  
 * [haskell-http-client](generators/haskell-http-client.md)  
 * [java](generators/java.md)  
+* [java-micronaut-client (beta)](generators/java-micronaut-client.md)  
 * [javascript](generators/javascript.md)  
 * [javascript-apollo (beta)](generators/javascript-apollo.md)  
 * [javascript-closure-angular](generators/javascript-closure-angular.md)  
@@ -45,7 +46,6 @@ The following generators are available:
 * [k6 (beta)](generators/k6.md)  
 * [kotlin](generators/kotlin.md)  
 * [lua (beta)](generators/lua.md)  
-* [micronaut-client](generators/micronaut-client.md)  
 * [nim (beta)](generators/nim.md)  
 * [objc](generators/objc.md)  
 * [ocaml](generators/ocaml.md)  

docs/generators/java-micronaut-client.md

@@ -1,6 +1,6 @@
 ---
-title: Config Options for micronaut-client
-sidebar_label: micronaut-client
+title: Config Options for java-micronaut-client
+sidebar_label: java-micronaut-client
 ---
 
 These options may be applied as additional-properties (cli) or configOptions (plugins). Refer to [configuration docs](https://openapi-generator.tech/docs/configuration) for more details.

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

@@ -1,12 +1,20 @@
 package org.openapitools.codegen.languages;
 
-import org.openapitools.codegen.*;
+import org.openapitools.codegen.CliOption;
+import org.openapitools.codegen.CodegenConstants;
+import org.openapitools.codegen.CodegenType;
+import org.openapitools.codegen.SupportingFile;
 import org.openapitools.codegen.languages.features.BeanValidationFeatures;
+import org.openapitools.codegen.meta.GeneratorMetadata;
+import org.openapitools.codegen.meta.Stability;
 import org.openapitools.codegen.meta.features.DocumentationFeature;
 import org.openapitools.codegen.meta.features.SecurityFeature;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
-import java.util.*;
+
+import java.util.Arrays;
+import java.util.EnumSet;
+import java.util.HashMap;
 
 import static org.openapitools.codegen.CodegenConstants.INVOKER_PACKAGE;
 
@@ -26,7 +34,7 @@ public class JavaMicronautClientCodegen extends AbstractJavaCodegen implements B
     public static final String OPT_TEST_JUNIT = "junit";
     public static final String OPT_TEST_SPOCK = "spock";
 
-    public static final String NAME = "micronaut-client";
+    public static final String NAME = "java-micronaut-client";
 
     protected String title;
     protected String configPackage;
@@ -61,7 +69,11 @@ public class JavaMicronautClientCodegen extends AbstractJavaCodegen implements B
                 ))
         );
 
-        outputFolder = "generated-code/javaMicronaut";
+        generatorMetadata = GeneratorMetadata.newBuilder(generatorMetadata)
+                .stability(Stability.BETA)
+                .build();
+
+        outputFolder = "generated-code/java-micronaut-client";
         embeddedTemplateDir = templateDir = "java-micronaut-client";
         apiPackage = "org.openapitools.api";
         modelPackage = "org.openapitools.model";
@@ -85,7 +97,7 @@ public class JavaMicronautClientCodegen extends AbstractJavaCodegen implements B
         cliOptions.add(CliOption.newBoolean(USE_BEANVALIDATION, "Use BeanValidation API annotations", useBeanValidation));
 
         CliOption buildToolOption = new CliOption(OPT_BUILD, "Specify for which build tool to generate files").defaultValue(buildTool);
-        buildToolOption.setEnum(new HashMap<String, String>(){{
+        buildToolOption.setEnum(new HashMap<String, String>() {{
             put(OPT_BUILD_GRADLE, "Gradle configuration is generated for the project");
             put(OPT_BUILD_MAVEN, "Maven configuration is generated for the project");
             put(OPT_BUILD_ALL, "Both Gradle and Maven configurations are generated");
@@ -93,7 +105,7 @@ public class JavaMicronautClientCodegen extends AbstractJavaCodegen implements B
         cliOptions.add(buildToolOption);
 
         CliOption testToolOption = new CliOption(OPT_TEST, "Specify which test tool to generate files for").defaultValue(testTool);
-        testToolOption.setEnum(new HashMap<String, String>(){{
+        testToolOption.setEnum(new HashMap<String, String>() {{
             put(OPT_TEST_JUNIT, "Use JUnit as test tool");
             put(OPT_TEST_SPOCK, "Use Spock as test tool");
         }});
@@ -173,7 +185,7 @@ public class JavaMicronautClientCodegen extends AbstractJavaCodegen implements B
         additionalProperties.put(OPT_BUILD, buildTool);
 
         if (additionalProperties.containsKey(OPT_TEST)) {
-            switch((String) additionalProperties.get(OPT_TEST)) {
+            switch ((String) additionalProperties.get(OPT_TEST)) {
                 case OPT_TEST_JUNIT:
                 case OPT_TEST_SPOCK:
                     this.testTool = (String) additionalProperties.get(OPT_TEST);