| TagsCompilerSessionUtil.java |
1 /**
2 * Copyright (c) 2000-2008 Liferay, Inc. All rights reserved.
3 *
4 * Permission is hereby granted, free of charge, to any person obtaining a copy
5 * of this software and associated documentation files (the "Software"), to deal
6 * in the Software without restriction, including without limitation the rights
7 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
8 * copies of the Software, and to permit persons to whom the Software is
9 * furnished to do so, subject to the following conditions:
10 *
11 * The above copyright notice and this permission notice shall be included in
12 * all copies or substantial portions of the Software.
13 *
14 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
15 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
16 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
17 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
18 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
19 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
20 * SOFTWARE.
21 */
22
23 package com.liferay.portlet.tagscompiler.util;
24
25 import com.liferay.portal.util.WebKeys;
26
27 import java.util.Collection;
28 import java.util.List;
29 import java.util.Set;
30 import java.util.TreeSet;
31
32 import javax.portlet.PortletRequest;
33 import javax.portlet.PortletSession;
34
35 /**
36 * <a href="TagsCompilerSessionUtil.java.html"><b><i>View Source</i></b></a>
37 *
38 * @author Brian Wing Shun Chan
39 *
40 */
41 public class TagsCompilerSessionUtil {
42
43 public static void addEntries(PortletRequest req, List<String> entries) {
44 Set<String> entriesSet = _getEntriesSet(req);
45
46 entriesSet.addAll(entries);
47 }
48
49 public static void addEntry(PortletRequest req, String entry) {
50 Set<String> entriesSet = _getEntriesSet(req);
51
52 entriesSet.add(entry);
53 }
54
55 public static void clearEntries(PortletRequest req) {
56 Set<String> entriesSet = _getEntriesSet(req);
57
58 entriesSet.clear();
59 }
60
61 public static Collection<String> getEntries(PortletRequest req) {
62 Set<String> entriesSet = _getEntriesSet(req);
63
64 return entriesSet;
65 }
66
67 public static void removeEntries(PortletRequest req, List<String> entries) {
68 Set<String> entriesSet = _getEntriesSet(req);
69
70 entriesSet.removeAll(entries);
71 }
72
73 public static void setEntries(PortletRequest req, List<String> entries) {
74 Set<String> entriesSet = _getEntriesSet(req);
75
76 entriesSet.clear();
77
78 entriesSet.addAll(entries);
79 }
80
81 private static Set<String> _getEntriesSet(PortletRequest req) {
82 PortletSession ses = req.getPortletSession();
83
84 Set<String> entriesSet = (Set<String>)ses.getAttribute(
85 WebKeys.TAGS_COMPILER_ENTRIES, PortletSession.APPLICATION_SCOPE);
86
87 if (entriesSet == null) {
88 entriesSet = new TreeSet<String>();
89
90 ses.setAttribute(
91 WebKeys.TAGS_COMPILER_ENTRIES, entriesSet,
92 PortletSession.APPLICATION_SCOPE);
93 }
94
95 return entriesSet;
96 }
97
98 }