public static int copyAllBytes ( InputStream in , OutputStream out ) throws IOException { int byteCount = 0 ; byte [ ] buffer = new byte [ BUFFER_SIZE ] ; while ( true ) { int read = in . read ( buffer ) ; if ( read == - 1 ) { break ; } out . write ( buffer , 0 , read ) ; byteCount += read ; } return byteCount ; }
Copies all available data from in to out without closing any stream .