various minor bug fixes based on sonar report (#11214)

Author: wing328

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

@@ -175,7 +175,7 @@ public String getTypeDeclaration(String name) {
         if (languageSpecificPrimitives.contains(name)) {
             return name;
         } else {
-            return name;
+            return super.getTypeDeclaration(name);
         }
     }
 

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

@@ -15,6 +15,7 @@
 import java.util.Arrays;
 import java.util.EnumSet;
 import java.util.HashMap;
+import java.util.Map;
 
 import static org.openapitools.codegen.CodegenConstants.INVOKER_PACKAGE;
 
@@ -97,18 +98,18 @@ public JavaMicronautClientCodegen() {
         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>() {{
-            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");
-        }});
+        Map buildToolOptionMap = new HashMap();
+        buildToolOptionMap.put(OPT_BUILD_GRADLE, "Gradle configuration is generated for the project");
+        buildToolOptionMap.put(OPT_BUILD_MAVEN, "Maven configuration is generated for the project");
+        buildToolOptionMap.put(OPT_BUILD_ALL, "Both Gradle and Maven configurations are generated");
+        buildToolOption.setEnum(buildToolOptionMap);
         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>() {{
-            put(OPT_TEST_JUNIT, "Use JUnit as test tool");
-            put(OPT_TEST_SPOCK, "Use Spock as test tool");
-        }});
+        Map testToolOptionMap = new HashMap();
+        testToolOptionMap.put(OPT_TEST_JUNIT, "Use JUnit as test tool");
+        testToolOptionMap.put(OPT_TEST_SPOCK, "Use Spock as test tool");
+        testToolOption.setEnum(testToolOptionMap);
         cliOptions.add(testToolOption);
 
         // Remove the date library option

modules/openapi-generator/src/main/java/org/openapitools/codegen/languages/K6ClientCodegen.java

@@ -1041,7 +1041,7 @@ private boolean shouldHideOperationResponse(ApiResponse resp) {
             Map<?, ?> respExtensions = (Map<?, ?>) resp.getExtensions().get(X_OPERATION_RESPONSE);
             Entry<?, ?> entry = respExtensions.entrySet().stream().findFirst().orElse(null);
 
-            if (entry.getKey().equals(X_OPERATION_RESPONSE_HIDE)) {
+            if (entry != null && entry.getKey().equals(X_OPERATION_RESPONSE_HIDE)) {
                 return Boolean.parseBoolean(String.valueOf(entry.getValue()));
             }
         }