1 /*
2 * Copyright (C) 2003-2012 eXo Platform SAS.
3 *
4 * This program is free software: you can redistribute it and/or modify
5 * it under the terms of the GNU Affero General Public License as published by
6 * the Free Software Foundation, either version 3 of the License, or
7 * (at your option) any later version.
8 *
9 * This program is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 * GNU Affero General Public License for more details.
13 *
14 * You should have received a copy of the GNU Affero General Public License
15 * along with this program. If not, see <http://www.gnu.org/licenses/>.
16 */
17 package org.exoplatform.ecm.webui.comparator;
18
19 import java.util.Comparator;
20
21 import javax.jcr.Node;
22
23 /**
24 * Created by The eXo Platform SAS
25 * Author : eXoPlatform
26 * vinh_nguyen@exoplatform.com
27 * 8 May 2012
28 */
29 public class NodeSizeComparator implements Comparator<Node> {
30
31 public static final String ASCENDING_ORDER = "Ascending" ;
32 private String order_ ;
33
34 public NodeSizeComparator(String pOrder) {
35 order_ = pOrder ;
36 }
37
38 public int compare(Node node1, Node node2) {
39 try{
40 long sizeNode1 = getSize(node1);
41 long sizeNode2 = getSize(node2);
42 if (sizeNode1 == sizeNode2) return 0;
43 if(order_.equals(ASCENDING_ORDER)) {
44 return sizeNode1 < sizeNode2 ? -1 : 1;
45 }
46 return sizeNode1 < sizeNode2 ? 1 : -1;
47 }catch (Exception e) {
48 return 0;
49 }
50 }
51
52 private long getSize(Node node) {
53 try {
54 return node.getProperty("jcr:content/jcr:data").getLength();
55 } catch (Exception e) {
56 return 0;
57 }
58 }
59 }