1 /*
2 * Copyright 2012 The Netty Project
3 *
4 * The Netty Project licenses this file to you under the Apache License,
5 * version 2.0 (the "License"); you may not use this file except in compliance
6 * with the 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
14 * under the License.
15 */
16 package org.jboss.netty.handler.codec.http.websocketx;
17
18 import org.jboss.netty.buffer.ChannelBuffer;
19 import org.jboss.netty.buffer.ChannelBuffers;
20
21 /**
22 * Web Socket frame containing binary data
23 */
24 public class PongWebSocketFrame extends WebSocketFrame {
25
26 /**
27 * Creates a new empty pong frame.
28 */
29 public PongWebSocketFrame() {
30 setBinaryData(ChannelBuffers.EMPTY_BUFFER);
31 }
32
33 /**
34 * Creates a new pong frame with the specified binary data.
35 *
36 * @param binaryData
37 * the content of the frame.
38 */
39 public PongWebSocketFrame(ChannelBuffer binaryData) {
40 setBinaryData(binaryData);
41 }
42
43 /**
44 * Creates a new pong frame with the specified binary data
45 *
46 * @param finalFragment
47 * flag indicating if this frame is the final fragment
48 * @param rsv
49 * reserved bits used for protocol extensions
50 * @param binaryData
51 * the content of the frame.
52 */
53 public PongWebSocketFrame(boolean finalFragment, int rsv, ChannelBuffer binaryData) {
54 setFinalFragment(finalFragment);
55 setRsv(rsv);
56 setBinaryData(binaryData);
57 }
58
59 @Override
60 public String toString() {
61 return getClass().getSimpleName() + "(data: " + getBinaryData() + ')';
62 }
63
64 }