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1   /*
2    * Copyright 2010 Red Hat, Inc.
3    *
4    * Red Hat licenses this file to you under the Apache License, version 2.0
5    * (the "License"); you may not use this file except in compliance with the
6    * 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.rtsp;
17  
18  import org.jboss.netty.buffer.ChannelBuffer;
19  import org.jboss.netty.handler.codec.http.HttpMessage;
20  import org.jboss.netty.handler.codec.http.HttpResponse;
21  
22  /**
23   * Encodes an RTSP response represented in {@link HttpResponse} into
24   * a {@link ChannelBuffer}.
25  
26   * @author <a href="http://www.jboss.org/netty/">The Netty Project</a>
27   * @author <a href="http://amitbhayani.blogspot.com/">Amit Bhayani</a>
28   * @author <a href="http://gleamynode.net/">Trustin Lee</a>
29   * @version $Rev: 2117 $, $Date: 2010-02-01 17:28:17 +0900 (Mon, 01 Feb 2010) $
30   */
31  public class RtspResponseEncoder extends RtspMessageEncoder {
32  
33      @Override
34      protected void encodeInitialLine(ChannelBuffer buf, HttpMessage message)
35              throws Exception {
36          HttpResponse response = (HttpResponse) message;
37          buf.writeBytes(response.getProtocolVersion().toString().getBytes("ASCII"));
38          buf.writeByte((byte) ' ');
39          buf.writeBytes(String.valueOf(response.getStatus().getCode()).getBytes("ASCII"));
40          buf.writeByte((byte) ' ');
41          buf.writeBytes(String.valueOf(response.getStatus().getReasonPhrase()).getBytes("ASCII"));
42          buf.writeByte((byte) '\r');
43          buf.writeByte((byte) '\n');
44      }
45  }