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17 package org.apache.portals.bridges.util;
18
19 import java.util.Iterator;
20 import java.util.Map;
21
22 import javax.portlet.ActionRequest;
23 import javax.portlet.PortletException;
24 import javax.portlet.PortletPreferences;
25
26
27 /***
28 * PreferencesHelper
29 *
30 * @author <a href="mailto:taylor@apache.org">David Sean Taylor</a>
31 * @version $Id: PreferencesHelper.java 517068 2007-03-12 01:44:37Z ate $
32 */
33 public class PreferencesHelper
34 {
35 static public void requestParamsToPreferences(ActionRequest request)
36 throws PortletException
37 {
38 Map params = request.getParameterMap();
39 PortletPreferences prefs = request.getPreferences();
40 Map prefsMap = prefs.getMap();
41
42 try
43 {
44 Iterator it = params.entrySet().iterator();
45 while (it.hasNext())
46 {
47 Map.Entry entry = (Map.Entry) it.next();
48 Object value = entry.getValue();
49 String key = (String) entry.getKey();
50 if (null == prefsMap.get(key))
51 {
52 continue;
53 }
54 if (value instanceof String)
55 {
56 prefs.setValue(key, (String)value);
57 }
58 else if (value instanceof String[])
59 {
60 prefs.setValue(key, ((String[]) value)[0]);
61 }
62 }
63 }
64 catch (Exception e)
65 {
66 throw new PortletException("Exception mapping request Params to Preferences: ", e);
67 }
68 }
69
70 }