@ Override @ DoesServiceRequest public int read ( ) throws IOException { final byte [ ] tBuff = new byte [ 1 ] ; final int numberOfBytesRead = this . read ( tBuff , 0 , 1 ) ; if ( numberOfBytesRead > 0 ) { return tBuff [ 0 ] & 0xFF ; } else if ( numberOfBytesRead == 0 ) { throw new IOException ( SR . UNEXPECTED_STREAM_READ_ERROR ) ; } else { return - 1 ; } }
Reads the next byte of data from the input stream . The value byte is returned as an int in the range 0 to 255 . If no byte is available because the end of the stream has been reached the value - 1 is returned . This method blocks until input data is available the end of the stream is detected or an exception is thrown .