Also handle J.NewArray in MigrateRequestMappingOnFeignClient

Fixes #666

Author: timtebeek

src/main/java/org/openrewrite/java/spring/cloud2022/MigrateRequestMappingOnFeignClient.java

@@ -28,6 +28,8 @@
 import org.openrewrite.java.tree.J;
 import org.openrewrite.java.tree.TypeUtils;
 
+import java.util.List;
+
 public class MigrateRequestMappingOnFeignClient extends Recipe {
 
     private static final String FEIGN_CLIENT = "org.springframework.cloud.openfeign.FeignClient";
@@ -122,6 +124,11 @@ private String getPathValue(Expression arg) {
                                 }
                             }
                         }
+                    } else if (arg instanceof J.NewArray) {
+                        List<Expression> initializer = ((J.NewArray) arg).getInitializer();
+                        if (initializer != null && initializer.size() == 1) {
+                            return getPathValue(initializer.get(0));
+                        }
                     }
                     return null;
                 }

src/test/java/org/openrewrite/java/spring/cloud2022/MigrateRequestMappingOnFeignClientTest.java

@@ -110,6 +110,43 @@ public interface MyServiceClient {
         );
     }
 
+    @Test
+    void requestMappingWithDefaultAttributeNameAndArray() {
+        rewriteRun(
+          //language=java
+          java(
+            """
+              import org.springframework.cloud.openfeign.FeignClient;
+              import org.springframework.web.bind.annotation.RequestMapping;
+              import org.springframework.web.bind.annotation.RequestMethod;
+              import org.springframework.web.bind.annotation.PathVariable;
+              import org.springframework.web.bind.annotation.GetMapping;
+
+              @FeignClient(name = "myService", url = "http://localhost:8080")
+              @RequestMapping({"/posts"})
+              public interface MyServiceClient {
+
+                  @GetMapping(value = "/{postId}", produces = "application/json")
+                  String getPostById(@PathVariable("postId") Long postId);
+              }
+              """,
+            """
+              import org.springframework.cloud.openfeign.FeignClient;
+              import org.springframework.web.bind.annotation.RequestMethod;
+              import org.springframework.web.bind.annotation.PathVariable;
+              import org.springframework.web.bind.annotation.GetMapping;
+
+              @FeignClient(path = "/posts", name = "myService", url = "http://localhost:8080")
+              public interface MyServiceClient {
+
+                  @GetMapping(value = "/{postId}", produces = "application/json")
+                  String getPostById(@PathVariable("postId") Long postId);
+              }
+              """
+          )
+        );
+    }
+
     @Test
     void requestMappingWithValueAttributeName() {
         rewriteRun(