//
   //  ========================================================================
   //  Copyright (c) 1995-2016 Mort Bay Consulting Pty. Ltd.
   //  ------------------------------------------------------------------------
   //  All rights reserved. This program and the accompanying materials
   //  are made available under the terms of the Eclipse Public License v1.0
   //  and Apache License v2.0 which accompanies this distribution.
   //
   //      The Eclipse Public License is available at
  //      http://www.eclipse.org/legal/epl-v10.html
  //
  //      The Apache License v2.0 is available at
  //      http://www.opensource.org/licenses/apache2.0.php
  //
  //  You may elect to redistribute this code under either of these licenses.
  //  ========================================================================
  //
  
  package org.eclipse.jetty.http;
  
  import java.io.IOException;
  import java.io.InputStream;
  import java.nio.ByteBuffer;
  import java.nio.channels.ReadableByteChannel;
  import java.util.Map;
  
  import org.eclipse.jetty.http.MimeTypes.Type;
  import org.eclipse.jetty.util.resource.Resource;
  
  /* ------------------------------------------------------------ */
  public class PrecompressedHttpContent implements HttpContent
  {
      private final HttpContent _content;
      private final HttpContent _precompressedContent;
      private final CompressedContentFormat _format;
  
      public PrecompressedHttpContent(HttpContent content, HttpContent precompressedContent, CompressedContentFormat format)
      {
          _content = content;
          _precompressedContent = precompressedContent;
          _format = format;
          if (_precompressedContent == null || _format == null)
          {
              throw new NullPointerException("Missing compressed content and/or format");
          }
      }
  
      @Override
      public int hashCode()
      {
          return _content.hashCode();
      }
  
      @Override
      public boolean equals(Object obj)
      {
          return _content.equals(obj);
      }
  
      @Override
      public Resource getResource()
      {
          return _content.getResource();
      }
  
      @Override
      public HttpField getETag()
      {
          return new HttpField(HttpHeader.ETAG,getETagValue());
      }
  
      @Override
      public String getETagValue()
      {
          return _content.getResource().getWeakETag(_format._etag);
      }
  
      @Override
      public HttpField getLastModified()
      {
          return _content.getLastModified();
      }
  
      @Override
      public String getLastModifiedValue()
      {
          return _content.getLastModifiedValue();
      }
  
      @Override
      public HttpField getContentType()
      {
          return _content.getContentType();
      }
  
      @Override
      public String getContentTypeValue()
      {
          return _content.getContentTypeValue();
     }
 
     @Override
     public HttpField getContentEncoding()
     {
         return _format._contentEncoding;
     }
 
     @Override
     public String getContentEncodingValue()
     {
         return _format._contentEncoding.getValue();
     }
 
     @Override
     public String getCharacterEncoding()
     {
         return _content.getCharacterEncoding();
     }
 
     @Override
     public Type getMimeType()
     {
         return _content.getMimeType();
     }
 
     @Override
     public void release()
     {
         _content.release();
     }
 
     @Override
     public ByteBuffer getIndirectBuffer()
     {
         return _precompressedContent.getIndirectBuffer();
     }
 
     @Override
     public ByteBuffer getDirectBuffer()
     {
         return _precompressedContent.getDirectBuffer();
     }
 
     @Override
     public HttpField getContentLength()
     {
         return _precompressedContent.getContentLength();
     }
 
     @Override
     public long getContentLengthValue()
     {
         return _precompressedContent.getContentLengthValue();
     }
 
     @Override
     public InputStream getInputStream() throws IOException
     {
         return _precompressedContent.getInputStream();
     }
 
     @Override
     public ReadableByteChannel getReadableByteChannel() throws IOException
     {
         return _precompressedContent.getReadableByteChannel();
     }
 
     @Override
     public String toString()
     {
         return String.format("PrecompressedHttpContent@%x{e=%s,r=%s|%s,lm=%s|%s,ct=%s}",hashCode(),_format._encoding,
                 _content.getResource(),_precompressedContent.getResource(),
                 _content.getResource().lastModified(),_precompressedContent.getResource().lastModified(),
                 getContentType());
     }
 
     @Override
     public Map<CompressedContentFormat, HttpContent> getPrecompressedContents()
     {
         return null;
     }
 }