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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 org.jboss.netty.buffer.ChannelBuffer;
  
  /**
   * The default {@link HttpChunk} implementation.
   */
  public class DefaultHttpChunk implements HttpChunk {
  
      private ChannelBuffer content;
      private boolean last;
  
      /**
       * Creates a new instance with the specified chunk content. If an empty
       * buffer is specified, this chunk becomes the 'end of content' marker.
       */
      public DefaultHttpChunk(ChannelBuffer content) {
          setContent(content);
      }
  
      public ChannelBuffer getContent() {
          return content;
      }
  
      public void setContent(ChannelBuffer content) {
          if (content == null) {
              throw new NullPointerException("content");
          }
          last = !content.readable();
          this.content = content;
      }
  
      public boolean isLast() {
          return last;
      }
  }