/**********************************************************************************
 * $URL: https://source.sakaiproject.org/svn/metaobj/tags/sakai-10.1/metaobj-util/tool-lib/src/java/org/sakaiproject/metaobj/shared/control/RedirectView.java $
 * $Id: RedirectView.java 105079 2012-02-24 23:08:11Z ottenhoff@longsight.com $
 ***********************************************************************************
 *
 * Copyright (c) 2004, 2005, 2006, 2008 The Sakai Foundation
 *
 * Licensed under the Educational Community 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.opensource.org/licenses/ECL-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.sakaiproject.metaobj.shared.control;

import java.util.HashMap;
import java.util.Map;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

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

public class RedirectView extends org.springframework.web.servlet.view.RedirectView {
   protected final transient Log logger = LogFactory.getLog(getClass());

   /**
    ** Determine whether the given model element should be exposed as a 
    ** query property. The default implementation considers Strings and 
    ** primitives as eligible, and also arrays and Collections/Iterables 
    ** with corresponding elements..
    **
    ** This is changed behavior from Spring 2.0, so we always return true
    ** for backward compatibility.
    **/
   protected boolean isEligibleProperty( String key, Object value ) {
      return true;
   }
   
   /**
    ** Determine whether the given model element should be exposed as a 
    ** query property. The default implementation considers Strings and 
    ** primitives as eligible, and also arrays and Collections/Iterables 
    ** with corresponding elements..
    **
    ** This is changed behavior from Spring 2.0, so we always return true
    ** for backward compatibility.
    **/
   protected boolean isEligibleValue( Object value ) {
      return true;
   }
   
   /**
    * Prepares the view given the specified model, merging it with static
    * attributes and a RequestContext attribute, if necessary.
    * Delegates to renderMergedOutputModel for the actual rendering.
    *
    * @see #renderMergedOutputModel
    */
   public void render(Map model, HttpServletRequest request, HttpServletResponse response) throws Exception {
      if (model == null) {
         model = new HashMap();
      }
      model.putAll(getPortalParamManager().getParams(request));
      super.render(model, request, response);
   }

   protected PortalParamManager getPortalParamManager() {
      return (PortalParamManager)
            ComponentManager.getInstance().get(PortalParamManager.class.getName());
   }

}
