Merge pull request #2024 from rushsky518/mqclient

[ISSUE #2025] Refactor  MQClientAPIImpl#processSendResponse

client/src/main/java/org/apache/rocketmq/client/impl/MQClientAPIImpl.java

@@ -643,29 +643,27 @@ public class MQClientAPIImpl {
         final Message msg,
         final RemotingCommand response
     ) throws MQBrokerException, RemotingCommandException {
+        SendStatus sendStatus;
         switch (response.getCode()) {
-            case ResponseCode.FLUSH_DISK_TIMEOUT:
-            case ResponseCode.FLUSH_SLAVE_TIMEOUT:
-            case ResponseCode.SLAVE_NOT_AVAILABLE: {
-            }
-            case ResponseCode.SUCCESS: {
-                SendStatus sendStatus = SendStatus.SEND_OK;
-                switch (response.getCode()) {
-                    case ResponseCode.FLUSH_DISK_TIMEOUT:
+            case ResponseCode.FLUSH_DISK_TIMEOUT: {
                 sendStatus = SendStatus.FLUSH_DISK_TIMEOUT;
                 break;
-                    case ResponseCode.FLUSH_SLAVE_TIMEOUT:
+            }
+            case ResponseCode.FLUSH_SLAVE_TIMEOUT: {
                 sendStatus = SendStatus.FLUSH_SLAVE_TIMEOUT;
                 break;
-                    case ResponseCode.SLAVE_NOT_AVAILABLE:
+            }
+            case ResponseCode.SLAVE_NOT_AVAILABLE: {
                 sendStatus = SendStatus.SLAVE_NOT_AVAILABLE;
                 break;
-                    case ResponseCode.SUCCESS:
+            }
+            case ResponseCode.SUCCESS: {
                 sendStatus = SendStatus.SEND_OK;
                 break;
-                    default:
-                        assert false;
-                        break;
+            }
+            default: {
+                throw new MQBrokerException(response.getCode(), response.getRemark());
+            }
         }
 
         SendMessageResponseHeader responseHeader =
@@ -704,12 +702,6 @@ public class MQClientAPIImpl {
         sendResult.setRegionId(regionId);
         return sendResult;
     }
-            default:
-                break;
-        }
-
-        throw new MQBrokerException(response.getCode(), response.getRemark());
-    }
 
     public PullResult pullMessage(
         final String addr,