issue #2733 second change for only check response entity type

Author: kamilkrzywanski

Diff for: springdoc-openapi-starter-common/src/main/java/org/springdoc/core/converters/ResponseSupportConverter.java

@@ -34,6 +34,7 @@
 import io.swagger.v3.oas.models.media.Schema;
 import io.swagger.v3.oas.models.media.StringSchema;
 import org.springdoc.core.providers.ObjectMapperProvider;
+import org.springframework.http.ResponseEntity;
 
 import static org.springdoc.core.converters.ConverterUtils.isFluxTypeWrapper;
 import static org.springdoc.core.converters.ConverterUtils.isResponseTypeToIgnore;
@@ -65,12 +66,7 @@ public Schema resolve(AnnotatedType type, ModelConverterContext context, Iterato
 		if (javaType != null) {
 			Class<?> cls = javaType.getRawClass();
 			if (isResponseTypeWrapper(cls) && !isFluxTypeWrapper(cls)) {
-				JavaType innerType = javaType.getBindings().getBoundType(0);
-				if(javaType.getSuperClass() !=null 
-						&& javaType.getSuperClass().hasGenericTypes()
-						&& isResponseTypeWrapper(javaType.getSuperClass().getRawClass())
-						&& !Object.class.equals(javaType.getSuperClass().getBindings().getBoundType(0).getRawClass()))
-					innerType = javaType.getSuperClass().getBindings().getBoundType(0);
+				JavaType innerType = findResponseEntity(javaType).containedType(0);
 				if (innerType == null)
 					return new StringSchema();
 				return context.resolve(new AnnotatedType(innerType)
@@ -83,4 +79,13 @@ else if (isResponseTypeToIgnore(cls))
 		}
 		return (chain.hasNext()) ? chain.next().resolve(type, context, chain) : null;
 	}
+
+	private JavaType findResponseEntity(JavaType javaType){
+		if(ResponseEntity.class.isAssignableFrom(javaType.getRawClass())){
+			while (ResponseEntity.class != javaType.getRawClass())
+				javaType = javaType.getSuperClass();
+		}
+		return javaType;
+	}
+
 }

Diff for: springdoc-openapi-starter-webmvc-api/src/test/java/test/org/springdoc/api/v30/app227/HelloController.java

@@ -20,6 +20,7 @@
 
 
 import test.org.springdoc.api.v30.app227.model.Item;
+import test.org.springdoc.api.v30.app227.wrapper.NoGenericWrapper;
 import test.org.springdoc.api.v30.app227.wrapper.ResponseEntityWrapper;
 
 import org.springframework.http.HttpStatus;
@@ -34,4 +35,9 @@ public ResponseEntityWrapper<String> persons() {
 		return new ResponseEntityWrapper<>(Item.fromPayload("1", "OK", "String"), HttpStatus.OK);
 	}
 
+	@GetMapping("/persons2")
+	public NoGenericWrapper persons2() {
+		return new NoGenericWrapper(Item.fromPayload("1", "OK", "String"), HttpStatus.OK);
+	}
+
 }

Diff for: springdoc-openapi-starter-webmvc-api/src/test/java/test/org/springdoc/api/v30/app227/wrapper/NoGenericWrapper.java

@@ -0,0 +1,11 @@
+package test.org.springdoc.api.v30.app227.wrapper;
+
+
+import org.springframework.http.HttpStatusCode;
+import test.org.springdoc.api.v30.app227.model.Item;
+
+public class NoGenericWrapper extends ResponseEntityWrapper<String> {
+    public NoGenericWrapper(Item<String> body, HttpStatusCode status) {
+        super(body, status);
+    }
+}

Diff for: springdoc-openapi-starter-webmvc-api/src/test/resources/results/3.0.1/app227.json

@@ -30,6 +30,26 @@
           }
         }
       }
+    },
+    "/persons2": {
+      "get": {
+        "tags": [
+          "hello-controller"
+        ],
+        "operationId": "persons2",
+        "responses": {
+          "200": {
+            "description": "OK",
+            "content": {
+              "*/*": {
+                "schema": {
+                  "$ref": "#/components/schemas/ItemString"
+                }
+              }
+            }
+          }
+        }
+      }
     }
   },
   "components": {