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   /*
    * Copyright 2012 The Netty Project
    *
    * The Netty Project licenses this file to you under the Apache License,
    * version 2.0 (the "License"); you may not use this file except in compliance
    * with the License. You may obtain a copy of the License at:
    *
    *   http://www.apache.org/licenses/LICENSE-2.0
    *
   * Unless required by applicable law or agreed to in writing, software
   * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
   * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
   * License for the specific language governing permissions and limitations
   * under the License.
   */
  package org.jboss.netty.handler.codec.http;
  
  import static org.jboss.netty.handler.codec.http.HttpConstants.*;
  
  import org.jboss.netty.buffer.ChannelBuffer;
  
  /**
   * Encodes an {@link HttpResponse} or an {@link HttpChunk} into
   * a {@link ChannelBuffer}.
   */
  public class HttpResponseEncoder extends HttpMessageEncoder {
  
      @Override
      protected void encodeInitialLine(ChannelBuffer buf, HttpMessage message) throws Exception {
          HttpResponse response = (HttpResponse) message;
          encodeAscii(response.getProtocolVersion().toString(), buf);
          buf.writeByte(SP);
          encodeAscii(String.valueOf(response.getStatus().getCode()), buf);
          buf.writeByte(SP);
          encodeAscii(String.valueOf(response.getStatus().getReasonPhrase()), buf);
          buf.writeByte(CR);
          buf.writeByte(LF);
      }
  }