001 /** 002 * Copyright (c) 2000-2011 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.events; 016 017 import com.liferay.portal.kernel.events.Action; 018 import com.liferay.portal.util.WebKeys; 019 020 import java.util.Map; 021 022 import javax.servlet.http.HttpServletRequest; 023 import javax.servlet.http.HttpServletResponse; 024 import javax.servlet.http.HttpSession; 025 026 /** 027 * @author Brian Wing Shun Chan 028 */ 029 public class ClearRenderParametersAction extends Action { 030 031 public void run(HttpServletRequest request, HttpServletResponse response) { 032 033 // Some users are confused by the behavior stated in the JSR 168 spec 034 // that render parameters are saved across requests. Set this class to 035 // always clear render parameters to please those users. You can also 036 // modify the "layout.remember.request.window.state.maximized" property 037 // in portal.properties to disable the remembering of window states 038 // across requests. 039 040 HttpSession session = request.getSession(); 041 042 Map<Long, Map<String, Map<String, String[]>>> renderParametersPool = 043 (Map<Long, Map<String, Map<String, String[]>>>)session.getAttribute( 044 WebKeys.PORTLET_RENDER_PARAMETERS); 045 046 if (renderParametersPool != null) { 047 renderParametersPool.clear(); 048 } 049 } 050 051 }