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1   /*
2    * Copyright 2013 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.spdy;
17  
18  import org.jboss.netty.buffer.ChannelBuffer;
19  import org.jboss.netty.buffer.ChannelBuffers;
20  
21  /**
22   * A SPDY Protocol DATA Frame
23   */
24  public interface SpdyDataFrame extends SpdyStreamFrame {
25  
26      /**
27       * Returns the data payload of this frame.  If there is no data payload
28       * {@link ChannelBuffers#EMPTY_BUFFER} is returned.
29       */
30      ChannelBuffer getData();
31  
32      /**
33       * Sets the data payload of this frame.  If {@code null} is specified,
34       * the data payload will be set to {@link ChannelBuffers#EMPTY_BUFFER}.
35       * The data payload cannot exceed 16777215 bytes.
36       */
37      void setData(ChannelBuffer data);
38  }