/**********************************************************************************
 * $URL: https://source.sakaiproject.org/svn/metaobj/tags/sakai_2-3-1/metaobj-impl/api-impl/src/java/org/sakaiproject/metaobj/shared/mgt/impl/PortalParamManagerImpl.java $
 * $Id: PortalParamManagerImpl.java 14225 2006-09-05 17:39:44Z chmaurer@iupui.edu $
 ***********************************************************************************
 *
 * Copyright (c) 2004, 2005, 2006 The Sakai Foundation.
 * 
 * Licensed under the Educational Community License, Version 1.0 (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.opensource.org/licenses/ecl1.php
 * 
 * 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.sakaiproject.metaobj.shared.mgt.impl;

import java.util.Hashtable;
import java.util.Iterator;
import java.util.List;
import java.util.Map;

import javax.servlet.ServletRequest;

import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.sakaiproject.metaobj.shared.mgt.PortalParamManager;

public class PortalParamManagerImpl implements PortalParamManager {
   protected final transient Log logger = LogFactory.getLog(getClass());

   private List parameters = null;


   public Map getParams(ServletRequest request) {
      Map map = new Hashtable();

      for (Iterator i = getParameters().iterator(); i.hasNext();) {
         String key = (String) i.next();
         String value = request.getParameter(key);
         if (value == null) {
            value = (String) request.getAttribute(key);
         }

         if (value != null) {
            map.put(key, value);
         }
      }

      return map;
   }

   public List getParameters() {
      return parameters;
   }

   public void setParameters(List parameters) {
      this.parameters = parameters;
   }
}
