01: /**
02: * Copyright (c) 2000-2008 Liferay, Inc. All rights reserved.
03: *
04: * Permission is hereby granted, free of charge, to any person obtaining a copy
05: * of this software and associated documentation files (the "Software"), to deal
06: * in the Software without restriction, including without limitation the rights
07: * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
08: * copies of the Software, and to permit persons to whom the Software is
09: * 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: */package com.liferay.portal.events;
22:
23: import com.liferay.portal.kernel.events.Action;
24: import com.liferay.portal.kernel.events.ActionException;
25: import com.liferay.portal.util.WebKeys;
26:
27: import java.util.Map;
28:
29: import javax.servlet.http.HttpServletRequest;
30: import javax.servlet.http.HttpServletResponse;
31: import javax.servlet.http.HttpSession;
32:
33: /**
34: * <a href="ClearRenderParametersAction.java.html"><b><i>View Source</i></b></a>
35: *
36: * @author Brian Wing Shun Chan
37: *
38: */
39: public class ClearRenderParametersAction extends Action {
40:
41: public void run(HttpServletRequest req, HttpServletResponse res)
42: throws ActionException {
43:
44: // Some users are confused by the behavior stated in the JSR 168 spec
45: // that render parameters are saved across requests. Set this class to
46: // always clear render parameters to please those users. You can also
47: // modify the "layout.remember.request.window.state.maximized" property
48: // in portal.properties to disable the remembering of window states
49: // across requests.
50:
51: HttpSession ses = req.getSession();
52:
53: Map renderParametersPool = (Map) ses
54: .getAttribute(WebKeys.PORTLET_RENDER_PARAMETERS);
55:
56: if (renderParametersPool != null) {
57: renderParametersPool.clear();
58: }
59: }
60:
61: }
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