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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    *   https://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 io.netty.handler.codec.http.websocketx;
17  
18  import io.netty.buffer.ByteBuf;
19  import io.netty.buffer.Unpooled;
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          super(Unpooled.buffer(0));
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(ByteBuf binaryData) {
40          super(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, ByteBuf binaryData) {
54          super(finalFragment, rsv, binaryData);
55      }
56  
57      @Override
58      public BinaryWebSocketFrame copy() {
59          return (BinaryWebSocketFrame) super.copy();
60      }
61  
62      @Override
63      public BinaryWebSocketFrame duplicate() {
64          return (BinaryWebSocketFrame) super.duplicate();
65      }
66  
67      @Override
68      public BinaryWebSocketFrame retainedDuplicate() {
69          return (BinaryWebSocketFrame) super.retainedDuplicate();
70      }
71  
72      @Override
73      public BinaryWebSocketFrame replace(ByteBuf content) {
74          return new BinaryWebSocketFrame(isFinalFragment(), rsv(), content);
75      }
76  
77      @Override
78      public BinaryWebSocketFrame retain() {
79          super.retain();
80          return this;
81      }
82  
83      @Override
84      public BinaryWebSocketFrame retain(int increment) {
85          super.retain(increment);
86          return this;
87      }
88  
89      @Override
90      public BinaryWebSocketFrame touch() {
91          super.touch();
92          return this;
93      }
94  
95      @Override
96      public BinaryWebSocketFrame touch(Object hint) {
97          super.touch(hint);
98          return this;
99      }
100 }