001 /** 002 * Copyright (c) 2000-2010 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.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 }