protected int readWithoutLengthCheck(InputStream inputStream,byte[] buffer,int length) throws IOException {
  return inputStream.read(buffer,0,length);
}

protected int readWithoutLengthCheck ( InputStream inputStream , byte [ ] buffer , int length ) throws IOException { return inputStream . read ( buffer , 0 , length ) ; }
reads a number ( specified by length ) of bytes from a given file reader into a byte array beginning at index 0 . no read length verification is performed .
