01: /**
02: * Copyright (c) 2000-2008 Liferay, Inc. All rights reserved.
03: *
04: * Permission is hereby granted, free of charge, to any person obtaining a copy
05: * of this software and associated documentation files (the "Software"), to deal
06: * in the Software without restriction, including without limitation the rights
07: * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
08: * copies of the Software, and to permit persons to whom the Software is
09: * 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: */package com.liferay.portlet.tagscompiler.util;
22:
23: import com.liferay.portal.util.WebKeys;
24:
25: import java.util.Collection;
26: import java.util.List;
27: import java.util.Set;
28: import java.util.TreeSet;
29:
30: import javax.portlet.PortletRequest;
31: import javax.portlet.PortletSession;
32:
33: /**
34: * <a href="TagsCompilerSessionUtil.java.html"><b><i>View Source</i></b></a>
35: *
36: * @author Brian Wing Shun Chan
37: *
38: */
39: public class TagsCompilerSessionUtil {
40:
41: public static void addEntries(PortletRequest req, List entries) {
42: Set entriesSet = _getEntriesSet(req);
43:
44: entriesSet.addAll(entries);
45: }
46:
47: public static void addEntry(PortletRequest req, String entry) {
48: Set entriesSet = _getEntriesSet(req);
49:
50: entriesSet.add(entry);
51: }
52:
53: public static void clearEntries(PortletRequest req) {
54: Set entriesSet = _getEntriesSet(req);
55:
56: entriesSet.clear();
57: }
58:
59: public static Collection getEntries(PortletRequest req) {
60: Set entriesSet = _getEntriesSet(req);
61:
62: return entriesSet;
63: }
64:
65: public static void removeEntries(PortletRequest req, List entries) {
66: Set entriesSet = _getEntriesSet(req);
67:
68: entriesSet.removeAll(entries);
69: }
70:
71: public static void setEntries(PortletRequest req, List entries) {
72: Set entriesSet = _getEntriesSet(req);
73:
74: entriesSet.clear();
75:
76: entriesSet.addAll(entries);
77: }
78:
79: private static Set _getEntriesSet(PortletRequest req) {
80: PortletSession ses = req.getPortletSession();
81:
82: Set entriesSet = (Set) ses.getAttribute(
83: WebKeys.TAGS_COMPILER_ENTRIES,
84: PortletSession.APPLICATION_SCOPE);
85:
86: if (entriesSet == null) {
87: entriesSet = new TreeSet();
88:
89: ses.setAttribute(WebKeys.TAGS_COMPILER_ENTRIES, entriesSet,
90: PortletSession.APPLICATION_SCOPE);
91: }
92:
93: return entriesSet;
94: }
95:
96: }
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