| SharedSessionUtil.java |
1 /**
2 * Copyright (c) 2000-2007 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.portal.servlet;
24
25 import com.liferay.portal.util.PropsUtil;
26 import com.liferay.util.CollectionFactory;
27
28 import java.util.Enumeration;
29 import java.util.Map;
30
31 import javax.servlet.http.HttpServletRequest;
32 import javax.servlet.http.HttpSession;
33
34 import org.apache.commons.logging.Log;
35 import org.apache.commons.logging.LogFactory;
36
37 /**
38 * <a href="SharedSessionUtil.java.html"><b><i>View Source</i></b></a>
39 *
40 * @author Brian Wing Shun Chan
41 * @author Brian Myunghun Kim
42 *
43 */
44 public class SharedSessionUtil {
45
46 public static final String[] SHARED_SESSION_ATTRIBUTES =
47 PropsUtil.getArray(PropsUtil.SESSION_SHARED_ATTRIBUTES);
48
49 public static Map getSharedSessionAttributes(HttpServletRequest req) {
50 Map map = CollectionFactory.getSyncHashMap();
51
52 HttpSession ses = req.getSession();
53
54 Enumeration enu = ses.getAttributeNames();
55
56 while (enu.hasMoreElements()) {
57 String attrName = (String)enu.nextElement();
58 Object attrValue = ses.getAttribute(attrName);
59
60 if (attrValue != null) {
61 for (int i = 0; i < SHARED_SESSION_ATTRIBUTES.length; i++) {
62 if (attrName.startsWith(SHARED_SESSION_ATTRIBUTES[i])) {
63 map.put(attrName, attrValue);
64
65 if (_log.isDebugEnabled()) {
66 _log.debug("Sharing " + attrName);
67 }
68
69 break;
70 }
71 }
72 }
73 }
74
75 return map;
76 }
77
78 private static Log _log = LogFactory.getLog(SharedSessionUtil.class);
79
80 }