public int read ( byte b [ ] , int off , int len ) throws IOException { if ( len <= 0 ) { return 0 ; } int c = read ( ) ; if ( c == - 1 ) return - 1 ; b [ off ] = ( byte ) c ; // We've read one byte successfully, let's try for more int i = 1 ; try { for ( ; i < len ; i ++ ) { c = read ( ) ; if ( c == - 1 ) { break ; } b [ off + i ] = ( byte ) c ; } } catch ( IOException e ) { } return i ; }
Reads up to len bytes of data from this input stream into an array of bytes . This method blocks until some input is available .