Fixes #17645 When interfaceOnly is true, RestApplication will be generated as well (#17646)

This class with the optional OpenAPIDefinition annotations is now generated always.
And no longer only when the interfaceOnly is set to false (default).

Author: verhagen

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

@@ -203,11 +203,10 @@ public void processOpts() {
             supportingFiles.add(new SupportingFile("pom.mustache", "", "pom.xml")
                 .doNotOverwrite());
         }
-        if (!interfaceOnly) {
-            supportingFiles.add(new SupportingFile("RestApplication.mustache",
-                    (sourceFolder + '/' + invokerPackage).replace(".", "/"), "RestApplication.java")
+
+        supportingFiles.add(new SupportingFile("RestApplication.mustache",
+                (sourceFolder + '/' + invokerPackage).replace(".", "/"), "RestApplication.java")
                 .doNotOverwrite());
-        }
 
         if(StringUtils.isNotEmpty(openApiSpecFileLocation)) {
             int index = openApiSpecFileLocation.lastIndexOf('/');

samples/server/petstore/jaxrs-spec-interface-response/.openapi-generator/FILES

@@ -4,6 +4,7 @@ src/gen/java/org/openapitools/api/AnotherFakeApi.java
 src/gen/java/org/openapitools/api/FakeApi.java
 src/gen/java/org/openapitools/api/FakeClassnameTestApi.java
 src/gen/java/org/openapitools/api/PetApi.java
+src/gen/java/org/openapitools/api/RestApplication.java
 src/gen/java/org/openapitools/api/RestResourceRoot.java
 src/gen/java/org/openapitools/api/StoreApi.java
 src/gen/java/org/openapitools/api/UserApi.java

samples/server/petstore/jaxrs-spec-interface-response/src/gen/java/org/openapitools/api/RestApplication.java

@@ -0,0 +1,9 @@
+package org.openapitools.api;
+
+import javax.ws.rs.ApplicationPath;
+import javax.ws.rs.core.Application;
+
+@ApplicationPath(RestResourceRoot.APPLICATION_PATH)
+public class RestApplication extends Application {
+
+}

samples/server/petstore/jaxrs-spec-interface/.openapi-generator/FILES

@@ -4,6 +4,7 @@ src/gen/java/org/openapitools/api/AnotherFakeApi.java
 src/gen/java/org/openapitools/api/FakeApi.java
 src/gen/java/org/openapitools/api/FakeClassnameTestApi.java
 src/gen/java/org/openapitools/api/PetApi.java
+src/gen/java/org/openapitools/api/RestApplication.java
 src/gen/java/org/openapitools/api/RestResourceRoot.java
 src/gen/java/org/openapitools/api/StoreApi.java
 src/gen/java/org/openapitools/api/UserApi.java

samples/server/petstore/jaxrs-spec-interface/src/gen/java/org/openapitools/api/RestApplication.java

@@ -0,0 +1,9 @@
+package org.openapitools.api;
+
+import javax.ws.rs.ApplicationPath;
+import javax.ws.rs.core.Application;
+
+@ApplicationPath(RestResourceRoot.APPLICATION_PATH)
+public class RestApplication extends Application {
+
+}