/*
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You 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.cocoon.portal.pluto.services;

import java.util.Collections;
import java.util.Map;

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

import org.apache.pluto.om.window.PortletWindow;
import org.apache.pluto.services.property.PropertyManagerService;

/**
 * Dummy property manager service. Since vendor specific information from 
 * the portlets is not needed they are discarded.
 *
 * @see javax.portlet.PortletResponse#addProperty(String, String)
 * @see javax.portlet.PortletResponse#setProperty(String, String) 
 *  
 * @author <a href="mailto:durdina@asset.sk">Michal Durdina</a>
 * 
 * @version CVS $Id$
 */
public class PropertyManagerServiceImpl implements PropertyManagerService {

	/**
	 * Sets the given property map defined by the portlet window in its response.  
	 * <br>
	 * The purpose of this method is to provide the portal framework
	 * with a new map of properties set by the portlet. The map can be empty, but not NULL
	 * <br>
	 * This method can be called multiple times during one request by the portlet container
	 * 
	 * @param window the portlet window of this property
	 * @param request the servlet request
	 * @param response the servlet response
	 * @param properties the String/String array map containing the
	 *                  properties to be set.
	 **/
	public void setResponseProperties(PortletWindow window, 
		HttpServletRequest request, 
		HttpServletResponse response, 
		Map properties) {

		// do nothing
	}

	/**
	 * Returns all properties for the given portlet window 
	 * defined in the portal as String/String array map.
	 * They will be made available to the portlet through the
	 * portlet request.
	 * <br>
	 * The purpose of this method is to allow the portal framework
	 * to create a map of properties and make it available to the portlet container.
	 * <br>
	 * This method can be called multiple times during one request by the portlet container
	 * <br>
	 * The return value cannot be null.
	 *
	 * @param window the portlet window of this property
	 * @param request the servlet request
	 * 
	 * @return		a <code>Map</code> containing
	 *                  all properties. If there are no properties of
	 *                  that name returns an empty <code>Map</code>.    
	 **/
	public Map getRequestProperties(PortletWindow window, HttpServletRequest request) {

		return Collections.EMPTY_MAP;
	}

}