private int readBytes ( byte [ ] b , int offs , int len ) throws BitstreamException { int totalBytesRead = 0 ; try { while ( len > 0 ) { int bytesread = source . read ( b , offs , len ) ; if ( bytesread == - 1 ) { break ; } totalBytesRead += bytesread ; offs += bytesread ; len -= bytesread ; } } catch ( IOException ex ) { throw newBitstreamException ( STREAM_ERROR , ex ) ; } return totalBytesRead ; }
Simlar to readFully but doesn t throw exception when EOF is reached .