| ClearRenderParametersAction.java |
1 /**
2 * Copyright (c) 2000-2008 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.kernel.events.Action;
26 import com.liferay.portal.kernel.events.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<Long, Map<String, Map<String, String[]>>> renderParametersPool =
56 (Map<Long, Map<String, Map<String, String[]>>>)ses.getAttribute(
57 WebKeys.PORTLET_RENDER_PARAMETERS);
58
59 if (renderParametersPool != null) {
60 renderParametersPool.clear();
61 }
62 }
63
64 }