Examples of java.io.BufferedInputStream

java.io.BufferedInputStream
A BufferedInputStream adds functionality to another input stream-namely, the ability to buffer the input and to support the mark and reset methods. When the BufferedInputStream is created, an internal buffer array is created. As bytes from the stream are read or skipped, the internal buffer is refilled as necessary from the contained input stream, many bytes at a time. The mark operation remembers a point in the input stream and the reset operation causes all the bytes read since the most recent mark operation to be reread before new bytes are taken from the contained input stream. @author Arthur van Hoff @version 1.57, 06/07/06 @since JDK1.0

        throw( new IOException( "error reading reply" ));
      }


      byte[]  reply_bytes = baos.toByteArray();


      Map reply = BDecoder.decode( new BufferedInputStream( new ByteArrayInputStream( reply_bytes )));


      preProcessReply( reply, v6 );


      return( reply );

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  protected VuzeFile
  getVuzeFile(
    InputStream    is )
  {
    try{
      BufferedInputStream bis = new BufferedInputStream( is );
      
      try{
        Map  map = BDecoder.decode(bis);
        
        return( loadVuzeFile( map ));

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        target  = new File( data_dir, file_prefix + ".saving" );
      }
      
      if ( target.exists()){
        
        BufferedInputStream  is = new BufferedInputStream( new FileInputStream( target ));
        
        try{
          return( BDecoder.decode( is ));
          
        }finally{
          
          is.close();
        }
      }
    }catch( Throwable e ){
      
      Debug.printStackTrace( e );

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        InputStream is=null;
        Map reply = new HashMap();
        try
        {
            is = rd.download();
            reply = BDecoder.decode( new BufferedInputStream(is) );


            //all replys of this type contains a "result"
            Long res = (Long) reply.get("result");
            if(res==null)
                throw new IllegalStateException("No result parameter in the response!! reply="+reply);

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    ZipInputStream  zis = null;
  
    try{
      zis = new ZipInputStream( 
          new BufferedInputStream( new FileInputStream( contents ) ));
        
      while( true ){
        
        ZipEntry  entry = zis.getNextEntry();

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      ResourceDownloader rd = rdf.getMetaRefreshDownloader( url_rd );
      
      InputStream is = rd.download();
      
      try{
        Map<String,Object> map = BDecoder.decode( new BufferedInputStream( is ));
        
        log( "    update check reply: " + map );
        
          // reply is either "response" meaning "no update" and giving possibly changed update secs
          // or Vuze file with updated template

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    }
    clear();
    try
    {
      logger.debug("Open URL: " + url);
      final InputStream in = new BufferedInputStream(url.openStream());
      final boolean retval = readData(in);
      in.close();
      logger.debug("Loaded: " + getRowCount() + " icons");
      return retval;
    }
    catch (Exception e)
    {

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        selFileName = selFileName + ConfigEditor.PROPERTIES_FILE_EXTENSION;
      }
      final Properties prop = new Properties();
      try
      {
        final InputStream in = new BufferedInputStream(new FileInputStream(selFileName));
        try
        {
          prop.load(in);
        }
        finally
        {
          in.close();
        }
      }
      catch (IOException ioe)
      {
        ConfigEditor.logger.debug(resources.getString("ConfigEditor.ERROR_0003_FAILED_TO_LOAD_PROPERTIES",

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     * @return content of the file as a byte array
     * @throws Exception
     */
    public static byte[] readFile(File file) throws IOException {
        InputStream is = new FileInputStream(file);
        BufferedInputStream bis = new BufferedInputStream(is);
        
        long length = file.length();
        if (length > Integer.MAX_VALUE) 
            throw new IOException("File is too large to read " + file.getName());
    
        byte[] bytes = new byte[(int)length];
    
        int offset = 0;
        int numRead = 0;
        while (offset < bytes.length && (numRead=bis.read(bytes, offset, bytes.length-offset)) >= 0)
            offset += numRead;
    
        // Ensure all the bytes have been read in
        if (offset < bytes.length)
            throw new IOException("Could not completely read file " + file.getName());
    
        bis.close();
        is.close();
        
        return bytes;    
    }

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        boolean success = currentFile.renameTo(newFile);
        
        if (!success) {
            // native code failed to move the file; do it the custom way
            FileInputStream fis = new FileInputStream(currentFile);
            BufferedInputStream bis = new BufferedInputStream(fis);
        
            FileOutputStream fos = new FileOutputStream(newFile);
            BufferedOutputStream bos = new BufferedOutputStream(fos);
            
            int count = 0;
            int b;
            while ((b = bis.read()) > -1) {
                bos.write(b);
                count++;
                if (count == 2000) {
                    bos.flush();
                    count = 0;
                }
            }
            
            bos.flush();
            
            bis.close();
            bos.close();
            
            currentFile.delete();
        }
    }

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