ClearRenderParametersAction.java |
1 /** 2 * Copyright (c) 2000-2007 Liferay, Inc. All rights reserved. 3 * 4 * Permission is hereby granted, free of charge, to any person obtaining a copy 5 * of this software and associated documentation files (the "Software"), to deal 6 * in the Software without restriction, including without limitation the rights 7 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell 8 * copies of the Software, and to permit persons to whom the Software is 9 * furnished to do so, subject to the following conditions: 10 * 11 * The above copyright notice and this permission notice shall be included in 12 * all copies or substantial portions of the Software. 13 * 14 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 15 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 16 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE 17 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER 18 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, 19 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE 20 * SOFTWARE. 21 */ 22 23 package com.liferay.portal.events; 24 25 import com.liferay.portal.struts.Action; 26 import com.liferay.portal.struts.ActionException; 27 import com.liferay.portal.util.WebKeys; 28 29 import java.util.Map; 30 31 import javax.servlet.http.HttpServletRequest; 32 import javax.servlet.http.HttpServletResponse; 33 import javax.servlet.http.HttpSession; 34 35 /** 36 * <a href="ClearRenderParametersAction.java.html"><b><i>View Source</i></b></a> 37 * 38 * @author Brian Wing Shun Chan 39 * 40 */ 41 public class ClearRenderParametersAction extends Action { 42 43 public void run(HttpServletRequest req, HttpServletResponse res) 44 throws ActionException { 45 46 // Some users are confused by the behavior stated in the JSR 168 spec 47 // that render parameters are saved across requests. Set this class to 48 // always clear render parameters to please those users. You can also 49 // modify the "layout.remember.request.window.state.maximized" property 50 // in portal.properties to disable the remembering of window states 51 // across requests. 52 53 HttpSession ses = req.getSession(); 54 55 Map renderParametersPool = 56 (Map)ses.getAttribute(WebKeys.PORTLET_RENDER_PARAMETERS); 57 58 if (renderParametersPool != null) { 59 renderParametersPool.clear(); 60 } 61 } 62 63 }