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    1   /*
    2    * Licensed to the Apache Software Foundation (ASF) under one or more
    3    * contributor license agreements.  See the NOTICE file distributed with
    4    * this work for additional information regarding copyright ownership.
    5    * The ASF licenses this file to You under the Apache License, Version 2.0
    6    * (the "License"); you may not use this file except in compliance with
    7    * the License.  You may obtain a copy of the License at
    8    *
    9    *      http://www.apache.org/licenses/LICENSE-2.0
    10   *
    11   * Unless required by applicable law or agreed to in writing, software
    12   * distributed under the License is distributed on an "AS IS" BASIS,
    13   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    14   * See the License for the specific language governing permissions and
    15   * limitations under the License.
    16   */
    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  }