001    /**
002     * Copyright (c) 2000-2012 Liferay, Inc. All rights reserved.
003     *
004     * The contents of this file are subject to the terms of the Liferay Enterprise
005     * Subscription License ("License"). You may not use this file except in
006     * compliance with the License. You can obtain a copy of the License by
007     * contacting Liferay, Inc. See the License for the specific language governing
008     * permissions and limitations under the License, including but not limited to
009     * distribution rights of the Software.
010     *
011     *
012     *
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            public void doFilterFinally(
033                    HttpServletRequest request, HttpServletResponse response,
034                    Object ojbect) {
035    
036                    ThreadLocalCacheManager.clearAll(Lifecycle.REQUEST);
037    
038                    CentralizedThreadLocal.clearShortLivedThreadLocals();
039            }
040    
041            public Object doFilterTry(
042                    HttpServletRequest request, HttpServletResponse response) {
043    
044                    return null;
045            }
046    
047    }