01: /**
02: * LibreSource
03: * Copyright (C) 2004-2008 Artenum SARL / INRIA
04: * http://www.libresource.org - contact@artenum.com
05: *
06: * This file is part of the LibreSource software,
07: * which can be used and distributed under license conditions.
08: * The license conditions are provided in the LICENSE.TXT file
09: * at the root path of the packaging that enclose this file.
10: * More information can be found at
11: * - http://dev.libresource.org/home/license
12: *
13: * Initial authors :
14: *
15: * Guillaume Bort / INRIA
16: * Francois Charoy / Universite Nancy 2
17: * Julien Forest / Artenum
18: * Claude Godart / Universite Henry Poincare
19: * Florent Jouille / INRIA
20: * Sebastien Jourdain / INRIA / Artenum
21: * Yves Lerumeur / Artenum
22: * Pascal Molli / Universite Henry Poincare
23: * Gerald Oster / INRIA
24: * Mariarosa Penzi / Artenum
25: * Gerard Sookahet / Artenum
26: * Raphael Tani / INRIA
27: *
28: * Contributors :
29: *
30: * Stephane Bagnier / Artenum
31: * Amadou Dia / Artenum-IUP Blois
32: * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
33: */package org.libresource.kernel.comparator;
34:
35: import org.libresource.LibresourceResourceValue;
36:
37: import org.libresource.kernel.comparator.util.TreeNode;
38:
39: import java.util.Comparator;
40:
41: public class UriComparator implements Comparator {
42: private Comparator comparator;
43:
44: public UriComparator() {
45: this (null);
46: }
47:
48: public UriComparator(Comparator comparator) {
49: this .comparator = comparator;
50: }
51:
52: public int compare(Object lsvalue1, Object lsvalue2) {
53: LibresourceResourceValue lsv1 = null;
54: LibresourceResourceValue lsv2 = null;
55:
56: if (lsvalue1 instanceof TreeNode) {
57: lsv1 = ((TreeNode) lsvalue1).getValue();
58: lsv2 = ((TreeNode) lsvalue2).getValue();
59: } else {
60: lsv1 = (LibresourceResourceValue) lsvalue1;
61: lsv2 = (LibresourceResourceValue) lsvalue2;
62: }
63:
64: int result = lsv1.getUri().compareTo(lsv2.getUri());
65:
66: if ((comparator != null) && (result == 0)) {
67: return comparator.compare(lsvalue1, lsvalue2);
68: }
69:
70: return result;
71: }
72:
73: public String toString() {
74: return "UriComparator(" + comparator + ")";
75: }
76: }
|