text: /**
   * 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.
   */
  
  #ifndef CORE_NETWORK_REQUEST_HANDLER_H
  #define CORE_NETWORK_REQUEST_HANDLER_H
  #include <functional>
  #include <memory>
  
  namespace weex {
  namespace core {
  namespace network {
  typedef std::function<void(const std::string&)> Callback;
  
  class RequestHandler {
   public:
    RequestHandler() {}
    virtual ~RequestHandler() {}
    virtual void Send(const char* instance_id, const char* url,
                      Callback callback) = 0;
    static RequestHandler* CreateDefaultHandler();
  };
  
  }  // namespace network
  }  // namespace core
  }  // namespace weex
  #endif  // CORE_NETWORK_REQUEST_HANDLER_H
  