content: /*
   * Copyright 2021-2022 Alibaba Group Holding Ltd.
   *
   *    Licensed 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 com.aliyun.fastmodel.core.tree.util;
  
  import java.io.IOException;
  import java.net.URL;
  import java.net.URLConnection;
  import java.net.URLStreamHandler;
  
  /**
   * 用于定义引擎的URL的handler
   * 比如：
   * maxcompute://host/project
   * hive://host/project
   * 使用：
   * String url = "maxcompute://www.aliyun.com/test";
   * URL url = new URL(null, url, new EngineURLHandler());
   * assertEquals(url.getProtocol(), "maxcompute");
   * assertEquals(url.getPath(), "/test");
   *
   * @author panguanjing
   * @date 2021/4/7
   */
  public final class EngineUrlStreamHandler extends URLStreamHandler {
      @Override
      protected URLConnection openConnection(URL u) throws IOException {
          throw new UnsupportedOperationException("Unsupported openConnection");
      }
  }
  