001    /**
002     * Copyright (c) 2000-2010 Liferay, Inc. All rights reserved.
003     *
004     * This library is free software; you can redistribute it and/or modify it under
005     * the terms of the GNU Lesser General Public License as published by the Free
006     * Software Foundation; either version 2.1 of the License, or (at your option)
007     * any later version.
008     *
009     * This library is distributed in the hope that it will be useful, but WITHOUT
010     * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
011     * FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more
012     * details.
013     */
014    
015    package com.liferay.portlet;
016    
017    import java.util.Map;
018    import java.util.concurrent.ConcurrentHashMap;
019    
020    /**
021     * @author Brian Wing Shun Chan
022     */
023    public class PortletContextBagPool {
024    
025            public static PortletContextBag get(String servletContextName) {
026                    return _instance._get(servletContextName);
027            }
028    
029            public static void put(
030                    String servletContextName, PortletContextBag portletContextBag) {
031    
032                    _instance._put(servletContextName, portletContextBag);
033            }
034    
035            public static PortletContextBag remove(String servletContextName) {
036                    return _instance._remove(servletContextName);
037            }
038    
039            private PortletContextBagPool() {
040                    _portletContextBagPool =
041                            new ConcurrentHashMap<String, PortletContextBag>();
042            }
043    
044            private PortletContextBag _get(String servletContextName) {
045                    return _portletContextBagPool.get(servletContextName);
046            }
047    
048            private void _put(
049                    String servletContextName, PortletContextBag portletContextBag) {
050    
051                    _portletContextBagPool.put(servletContextName, portletContextBag);
052            }
053    
054            private PortletContextBag _remove(String servletContextName) {
055                    return _portletContextBagPool.remove(servletContextName);
056            }
057    
058            private static PortletContextBagPool _instance =
059                    new PortletContextBagPool();
060    
061            private Map<String, PortletContextBag>_portletContextBagPool;
062    
063    }