Method toString

app/src/main/java/com/sun/mail/imap/protocol/UIDSet.java:123–150

Convert an array of UIDSets into an IMAP sequence range. @param uidset the UIDSets @return the IMAP sequence string

(UIDSet[] uidset)

     * @return		the IMAP sequence string
     */
    public static String toString(UIDSet[] uidset) {
	if (uidset == null)
	    return null;
	if (uidset.length == 0) // Empty uidset
	    return "";

	int i = 0;  // uidset index
	StringBuilder s = new StringBuilder();
	int size = uidset.length;
	long start, end;

	for (;;) {
	    start = uidset[i].start;
	    end = uidset[i].end;

	    if (end > start)
		s.append(start).append(':').append(end);
	    else // end == start means only one element
		s.append(start);
	
	    i++; // Next UIDSet
	    if (i >= size) // No more UIDSets
		break;
	    else
		s.append(',');
	}
	return s.toString();
    }

    /**
     * Convert an array of UIDSets into a array of long UIDs.