Github user uce commented on a diff in the pull request:
https://github.com/apache/flink/pull/6031#discussion_r190248637
--- Diff:
flink-runtime/src/main/java/org/apache/flink/runtime/rest/handler/router/Router.java
---
@@ -0,0 +1,398 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package org.apache.flink.runtime.rest.handler.router;
+
+import
org.apache.flink.shaded.netty4.io.netty.handler.codec.http.HttpMethod;
+import
org.apache.flink.shaded.netty4.io.netty.handler.codec.http.QueryStringDecoder;
+
+import java.util.ArrayList;
+import java.util.Collections;
+import java.util.HashMap;
+import java.util.HashSet;
+import java.util.List;
+import java.util.Map;
+import java.util.Map.Entry;
+import java.util.Set;
+
+/**
+ * This is adopted and simplified code from tv.cntt:netty-router library.
Compared to original version this one
--- End diff --
- Maybe add a link to
https://github.com/sinetja/netty-router/blob/2.2.0/src/main/java/io/netty/handler/codec/http/router/Router.java
---
