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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.spdy;
17  
18  
19  import org.jboss.netty.util.internal.StringUtil;
20  
21  /**
22   * The default {@link SpdyHeadersFrame} implementation.
23   */
24  public class DefaultSpdyHeadersFrame extends DefaultSpdyHeaderBlock
25          implements SpdyHeadersFrame {
26  
27      private int streamId;
28      private boolean last;
29  
30      /**
31       * Creates a new instance.
32       *
33       * @param streamId the Stream-ID of this frame
34       */
35      public DefaultSpdyHeadersFrame(int streamId) {
36          super();
37          setStreamId(streamId);
38      }
39  
40      public int getStreamID() {
41          return getStreamId();
42      }
43  
44      public int getStreamId() {
45          return streamId;
46      }
47  
48      public void setStreamID(int streamId) {
49          setStreamId(streamId);
50      }
51  
52      public void setStreamId(int streamId) {
53          if (streamId <= 0) {
54              throw new IllegalArgumentException(
55                      "Stream-ID must be positive: " + streamId);
56          }
57          this.streamId = streamId;
58      }
59  
60      public boolean isLast() {
61          return last;
62      }
63  
64      public void setLast(boolean last) {
65          this.last = last;
66      }
67  
68      @Override
69      public String toString() {
70          StringBuilder buf = new StringBuilder();
71          buf.append(getClass().getSimpleName());
72          buf.append("(last: ");
73          buf.append(isLast());
74          buf.append(')');
75          buf.append(StringUtil.NEWLINE);
76          buf.append("--> Stream-ID = ");
77          buf.append(streamId);
78          buf.append(StringUtil.NEWLINE);
79          buf.append("--> Headers:");
80          buf.append(StringUtil.NEWLINE);
81          appendHeaders(buf);
82  
83          // Remove the last newline.
84          buf.setLength(buf.length() - StringUtil.NEWLINE.length());
85          return buf.toString();
86      }
87  }