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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 BinaryWebSocketFrame extends WebSocketFrame {
25  
26      /**
27       * Creates a new empty binary frame.
28       */
29      public BinaryWebSocketFrame() {
30          setBinaryData(ChannelBuffers.EMPTY_BUFFER);
31      }
32  
33      /**
34       * Creates a new binary frame with the specified binary data. The final fragment flag is set to true.
35       *
36       * @param binaryData
37       *            the content of the frame.
38       */
39      public BinaryWebSocketFrame(ChannelBuffer binaryData) {
40          setBinaryData(binaryData);
41      }
42  
43      /**
44       * Creates a new binary frame with the specified binary data and the final fragment flag.
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 BinaryWebSocketFrame(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  }