001    /**
002     * Copyright (c) 2000-2013 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.portal.servlet.filters.threadlocal;
016    
017    import com.liferay.portal.kernel.cache.Lifecycle;
018    import com.liferay.portal.kernel.cache.ThreadLocalCacheManager;
019    import com.liferay.portal.kernel.servlet.TryFinallyFilter;
020    import com.liferay.portal.kernel.util.CentralizedThreadLocal;
021    import com.liferay.portal.servlet.filters.BasePortalFilter;
022    
023    import javax.servlet.http.HttpServletRequest;
024    import javax.servlet.http.HttpServletResponse;
025    
026    /**
027     * @author Brian Wing Shun Chan
028     */
029    public class ThreadLocalFilter
030            extends BasePortalFilter implements TryFinallyFilter {
031    
032            @Override
033            public void doFilterFinally(
034                    HttpServletRequest request, HttpServletResponse response,
035                    Object ojbect) {
036    
037                    ThreadLocalCacheManager.clearAll(Lifecycle.REQUEST);
038    
039                    CentralizedThreadLocal.clearShortLivedThreadLocals();
040            }
041    
042            @Override
043            public Object doFilterTry(
044                    HttpServletRequest request, HttpServletResponse response) {
045    
046                    return null;
047            }
048    
049    }