/*
** Rachel  - Resource Loading Toolkit for Web Start/JNLP
** Copyright (c) 2001, 2002 by Gerald Bauer
**
** This program is free software.
**
** You may redistribute it and/or modify it under the terms of the GNU
** General Public License as published by the Free Software Foundation.
** Version 2 of the license should be included with this distribution in
** the file LICENSE, as well as License.html. If the license is not
** included with this distribution, you may find a copy at the FSF web
** site at 'www.gnu.org' or 'www.fsf.org', or you may write to the
** Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139 USA.
**
** THIS SOFTWARE IS PROVIDED AS-IS WITHOUT WARRANTY OF ANY KIND,
** NOT EVEN THE IMPLIED WARRANTY OF MERCHANTABILITY. THE AUTHOR
** OF THIS SOFTWARE, ASSUMES _NO_ RESPONSIBILITY FOR ANY
** CONSEQUENCE RESULTING FROM THE USE, MODIFICATION, OR
** REDISTRIBUTION OF THIS SOFTWARE.
**
*/

package rachel.http.resource;

import java.io.*;
import java.util.*;
import houston.*;
import rachel.http.*;
import rachel.util.*;

public class InputStreamResource implements WebResource
{
   static Logger T = Logger.getLogger( InputStreamResource.class );
   private String _contentType;

   private byte _data[];

   public InputStreamResource( String name, InputStream in ) throws IOException
   {
      ByteArrayOutputStream out = new ByteArrayOutputStream();

      byte buffer[] = new byte[2048];
      int bytes_read = 0;
      while( ( bytes_read = in.read( buffer ) ) > 0 )
         out.write( buffer, 0, bytes_read );

      out.flush();
      out.close();
      in.close();

      _data = out.toByteArray();

      T.debug( "data.length=" + _data.length );

      _contentType = MimeUtils.guessContentTypeFromName( name );
   }

   public String getContentType()
   {
      return _contentType;
   }

   public byte[] getData()
   {
      return _data;
   }

   public String getHeader()
   {
      StringBuffer header = new StringBuffer();

      header.append( "HTTP/1.0 200 OK\r\n" );
      header.append( Http.Header.DATE + ": " + DateUtils.getHttpDate() + "\r\n" );
      header.append( Http.Header.SERVER + ": " + Http.SERVER_ID + "\r\n" );
      header.append( Http.Header.CONTENT_LENGTH + ": " + getData().length + "\r\n" );
      header.append( Http.Header.CONTENT_TYPE + ": " + getContentType() + "\r\n" );
      header.append( "\r\n" );

      T.debug( "Content-Length: " + getData().length );
      T.debug( "Content-Type: " + getContentType() );

      return header.toString();
   }
}