Merge pull request #1642 from ayeshLK/master

Fix logic issue in selecting the relevant HATEOAS resource when resource method is not configured

ballerina-to-openapi/src/main/java/io/ballerina/openapi/service/mapper/hateoas/HateoasMapperImpl.java

@@ -175,7 +175,7 @@ private Map<String, Link> mapHateoasLinksToOpenApiLinks(Service hateoasService,
                     .filter(resources -> link.getResourceName().equals(resources.getKey()))
                     .findFirst()
                     .flatMap(hateoasResourceMapping -> hateoasResourceMapping.getValue().stream()
-                            .filter(hateoasRes -> link.getResourceMethod().equals(hateoasRes.resourceMethod()))
+                            .filter(hateoasRes -> isValidResource(link, hateoasRes))
                             .findFirst());
             if (resource.isEmpty()) {
                 continue;
@@ -187,4 +187,13 @@ private Map<String, Link> mapHateoasLinksToOpenApiLinks(Service hateoasService,
         }
         return hateoasLinks;
     }
+
+    private boolean isValidResource(HateoasLink link, Resource currentResource) {
+        // If the `resourceMethod` is not provided that means there will be only one mapping for the resource,
+        // by returning `true` here will make sure the first resource matching the resource-name would be selected
+        if (Objects.isNull(link.getResourceMethod())) {
+            return true;
+        }
+        return currentResource.resourceMethod().equals(link.getResourceMethod());
+    }
 }