cvs commit: jakarta-jetspeed-2/portals-bridges/common/src/java/org/apache/portals/bridges/util PreferencesHelper.java

[ta...@apache.org]

taylor      2004/11/11 22:25:24

  Added:       portals-bridges/common/src/java/org/apache/portals/bridges/util
                        PreferencesHelper.java
  Log:
  helper for mapping prefs from request to prefs
  
  Revision  Changes    Path
  1.1                  jakarta-jetspeed-2/portals-bridges/common/src/java/org/apache/portals/bridges/util/PreferencesHelper.java
  
  Index: PreferencesHelper.java
  ===================================================================
  /*
   * Copyright 2000-2004 The Apache Software Foundation.
   * 
   * Licensed under the Apache License, Version 2.0 (the "License");
   * you may not use this file except in compliance with the License.
   * You may obtain a copy of the License at
   * 
   *      http://www.apache.org/licenses/LICENSE-2.0
   * 
   * Unless required by applicable law or agreed to in writing, software
   * distributed under the License is distributed on an "AS IS" BASIS,
   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
   * See the License for the specific language governing permissions and
   * limitations under the License.
   */
  package org.apache.portals.bridges.util;
  
  import java.util.Iterator;
  import java.util.Map;
  
  import javax.portlet.ActionRequest;
  import javax.portlet.PortletException;
  import javax.portlet.PortletPreferences;
  
  
  /**
   * PreferencesHelper
   * 
   * @author <a href="mailto:taylor@apache.org">David Sean Taylor</a>
   * @version $Id: PreferencesHelper.java,v 1.1 2004/11/12 06:25:24 taylor Exp $
   */
  public class PreferencesHelper
  {
      static public void requestParamsToPreferences(ActionRequest request) 
          throws PortletException
      {
          Map params = request.getParameterMap();
          PortletPreferences prefs = request.getPreferences();
          Map prefsMap = prefs.getMap();
  
          try
          {
              Iterator it = params.entrySet().iterator();
              while (it.hasNext())
              {
                  Map.Entry entry = (Map.Entry) it.next();
                  Object value = entry.getValue();
                  String key = (String) entry.getKey();
                  if (null == prefsMap.get(key))
                  {
                      continue;
                  }
                  if (value instanceof String)
                  {
                      prefs.setValue(key, (String)value);
                  }
                  else if (value instanceof String[])
                  {
                      prefs.setValue(key, ((String[]) value)[0]);
                  }
              }
          }
          catch (Exception e)
          {
              throw new PortletException("Exception mapping request Params to Preferences: ", e);
          }
      }
  
  }
  
  
  

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