content: /*
   * 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.weex.https;
  
  import android.os.Handler;
  import android.text.TextUtils;
  import android.util.Log;
  
  import org.apache.weex.constants.Constants;
  import com.squareup.okhttp.OkHttpClient;
  import com.squareup.okhttp.Request;
  import com.squareup.okhttp.Response;
  import com.squareup.okhttp.ws.WebSocket;
  import com.squareup.okhttp.ws.WebSocketCall;
  import com.squareup.okhttp.ws.WebSocketListener;
  
  import java.io.IOException;
  
  import okio.Buffer;
  import okio.BufferedSource;
  
  /**
   */
  public class HotRefreshManager {
  
    private static final String TAG = "HotRefreshManager";
  
    private static HotRefreshManager hotRefreshInstance = new HotRefreshManager();
    private WebSocket mWebSocket = null;
    private Handler mHandler = null;
  
    private HotRefreshManager() {
    }
  
    public static HotRefreshManager getInstance() {
      return hotRefreshInstance;
    }
  
    public void setHandler(Handler handler) {
      mHandler = handler;
    }
  
    public boolean disConnect() {
      if (mWebSocket != null) {
        try {
          mWebSocket.close(1000, "activity finish!");
        } catch (IOException e) {
          e.printStackTrace();
        }
      }
      return true;
    }
  
    public boolean connect(String url) {
      OkHttpClient httpClient = new OkHttpClient();
      Request request = new Request.Builder().url(url).addHeader("sec-websocket-protocol", "echo-protocol").build();
      WebSocketCall.create(httpClient, request).enqueue(new WXWebSocketListener(url));
  
      return true;
    }
  
    class WXWebSocketListener implements WebSocketListener {
  
      private String mUrl;
  
      WXWebSocketListener(String url) {
        mUrl = url;
      }
  
      @Override
      public void onOpen(WebSocket webSocket, Request request, Response response) throws IOException {
        mWebSocket = webSocket;
      }
  
      @Override
      public void onMessage(BufferedSource payload, WebSocket.PayloadType type) throws IOException {
        if (type == WebSocket.PayloadType.TEXT) {
          String temp = payload.readUtf8();
          Log.e(TAG, "into--[onMessage] msg:" + temp);
          payload.close();
  
          if (TextUtils.equals("refresh", temp) && mHandler != null) {
            mHandler.obtainMessage(Constants.HOT_REFRESH_REFRESH, 0, 0, mUrl).sendToTarget();
          }
        }
      }
  
      @Override
      public void onPong(Buffer payload) {
  
      }
  
      @Override
      public void onClose(int code, String reason) {
        mWebSocket = null;
      }
  
      @Override
      public void onFailure(IOException e) {
        mWebSocket = null;
      }
    }
  }
  