question: public long [ ] readLongArray ( final int items , final JBBPByteOrder byteOrder ) throws IOException { int pos = 0 ; if ( items < 0 ) { long [ ] buffer = new long [ INITIAL_ARRAY_BUFFER_SIZE ] ; while ( hasAvailableData ( ) ) { final long next = readLong ( byteOrder ) ; if ( buffer . length == pos ) { final long [ ] newbuffer = new long [ buffer . length << 1 ] ; System . arraycopy ( buffer , 0 , newbuffer , 0 , buffer . length ) ; buffer = newbuffer ; } buffer [ pos ++ ] = next ; } if ( buffer . length == pos ) { return buffer ; } final long [ ] result = new long [ pos ] ; System . arraycopy ( buffer , 0 , result , 0 , pos ) ; return result ; } else { final long [ ] buffer = new long [ items ] ; for ( int i = 0 ; i < items ; i ++ ) { buffer [ i ] = readLong ( byteOrder ) ; } return buffer ; } }
target:  Read number of long items from the input stream.