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 }