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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;
17  
18  import org.jboss.netty.buffer.ChannelBuffer;
19  
20  /**
21   * The default {@link HttpChunk} implementation.
22   */
23  public class DefaultHttpChunk implements HttpChunk {
24  
25      private ChannelBuffer content;
26      private boolean last;
27  
28      /**
29       * Creates a new instance with the specified chunk content. If an empty
30       * buffer is specified, this chunk becomes the 'end of content' marker.
31       */
32      public DefaultHttpChunk(ChannelBuffer content) {
33          setContent(content);
34      }
35  
36      public ChannelBuffer getContent() {
37          return content;
38      }
39  
40      public void setContent(ChannelBuffer content) {
41          if (content == null) {
42              throw new NullPointerException("content");
43          }
44          last = !content.readable();
45          this.content = content;
46      }
47  
48      public boolean isLast() {
49          return last;
50      }
51  }