protected byte[] uncompressBlockUsingStream(InputStream in) throws IOException {
   ByteArrayOutputStream out = new ByteArrayOutputStream(_compressed.length);
   byte[] buffer = new byte[4000];
   int count;
   while ((count = in.read(buffer)) >= 0) {
     out.write(buffer, 0, count);
   }
   in.close();
   out.close();
   return out.toByteArray();
 }
  protected byte[] loadFile(File file) throws IOException {
    FileInputStream in = new FileInputStream(file);
    ByteArrayOutputStream out = new ByteArrayOutputStream((int) file.length());
    byte[] buffer = new byte[4000];
    int count;

    while ((count = in.read(buffer)) > 0) {
      out.write(buffer, 0, count);
    }
    in.close();
    out.close();
    return out.toByteArray();
  }