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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 static org.jboss.netty.handler.codec.http.HttpConstants.*;
19  
20  import org.jboss.netty.buffer.ChannelBuffer;
21  
22  /**
23   * Encodes an {@link HttpResponse} or an {@link HttpChunk} into
24   * a {@link ChannelBuffer}.
25   */
26  public class HttpResponseEncoder extends HttpMessageEncoder {
27  
28      @Override
29      protected void encodeInitialLine(ChannelBuffer buf, HttpMessage message) throws Exception {
30          HttpResponse response = (HttpResponse) message;
31          encodeAscii(response.getProtocolVersion().toString(), buf);
32          buf.writeByte(SP);
33          encodeAscii(String.valueOf(response.getStatus().getCode()), buf);
34          buf.writeByte(SP);
35          encodeAscii(String.valueOf(response.getStatus().getReasonPhrase()), buf);
36          buf.writeByte(CR);
37          buf.writeByte(LF);
38      }
39  }