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.portlet.rss.action;
24  
25  import com.liferay.portal.kernel.portlet.ConfigurationAction;
26  import com.liferay.portal.kernel.util.Constants;
27  import com.liferay.portal.kernel.util.ParamUtil;
28  import com.liferay.portlet.PortletPreferencesFactoryUtil;
29  import com.liferay.util.servlet.SessionErrors;
30  import com.liferay.util.servlet.SessionMessages;
31  
32  import javax.portlet.ActionRequest;
33  import javax.portlet.ActionResponse;
34  import javax.portlet.PortletConfig;
35  import javax.portlet.PortletPreferences;
36  import javax.portlet.RenderRequest;
37  import javax.portlet.RenderResponse;
38  import javax.portlet.ValidatorException;
39  
40  /**
41   * <a href="ConfigurationActionImpl.java.html"><b><i>View Source</i></b></a>
42   *
43   * @author Brian Wing Shun Chan
44   *
45   */
46  public class ConfigurationActionImpl implements ConfigurationAction {
47  
48      public void processAction(
49              PortletConfig config, ActionRequest req, ActionResponse res)
50          throws Exception {
51  
52          try {
53              String cmd = ParamUtil.getString(req, Constants.CMD);
54  
55              if (!cmd.equals(Constants.UPDATE)) {
56                  return;
57              }
58  
59              String[] urls = req.getParameterValues("url");
60              String[] titles = req.getParameterValues("title");
61              int entriesPerFeed = ParamUtil.getInteger(req, "entriesPerFeed", 4);
62  
63              String portletResource = ParamUtil.getString(
64                  req, "portletResource");
65  
66              PortletPreferences prefs =
67                  PortletPreferencesFactoryUtil.getPortletSetup(
68                      req, portletResource, true, true);
69  
70              if (urls != null && titles != null) {
71                  prefs.setValues("urls", urls);
72                  prefs.setValues("titles", titles);
73              }
74              else {
75                  prefs.setValues("urls", new String[0]);
76                  prefs.setValues("titles", new String[0]);
77              }
78  
79              prefs.setValue("items-per-channel", String.valueOf(entriesPerFeed));
80  
81              prefs.store();
82  
83              SessionMessages.add(req, config.getPortletName() + ".doConfigure");
84          }
85          catch (ValidatorException ve) {
86              SessionErrors.add(req, ValidatorException.class.getName(), ve);
87          }
88      }
89  
90      public String render(
91              PortletConfig config, RenderRequest req, RenderResponse res)
92          throws Exception {
93  
94          return "/html/portlet/rss/configuration.jsp";
95      }
96  
97  }