View Javadoc

1   /*
2    * Copyright 2012 The Netty Project
3    *
4    * The Netty Project licenses this file to you under the Apache License, version
5    * 2.0 (the "License"); you may not use this file except in compliance with the
6    * License. You may obtain a copy of the License at:
7    *
8    * http://www.apache.org/licenses/LICENSE-2.0
9    *
10   * Unless required by applicable law or agreed to in writing, software
11   * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
12   * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
13   * License for the specific language governing permissions and limitations under
14   * the License.
15   */
16  package org.jboss.netty.example.http.websocketx.html5;
17  
18  import org.jboss.netty.channel.ChannelHandlerContext;
19  import org.jboss.netty.channel.MessageEvent;
20  import org.jboss.netty.channel.SimpleChannelHandler;
21  import org.jboss.netty.handler.codec.http.websocketx.TextWebSocketFrame;
22  
23  public class CustomTextFrameHandler extends SimpleChannelHandler {
24  
25      @Override
26      public void messageReceived(ChannelHandlerContext ctx, MessageEvent e) throws Exception {
27          if (e.getMessage() instanceof TextWebSocketFrame) {
28              TextWebSocketFrame frame = (TextWebSocketFrame) e.getMessage();
29              ctx.getChannel().write(new TextWebSocketFrame(frame.getText().toUpperCase()));
30          }
31      }
32  
33  }