001/*
002 *  Copyright 2010 Anyware Services
003 *
004 *  Licensed under the Apache License, Version 2.0 (the "License");
005 *  you may not use this file except in compliance with the License.
006 *  You may obtain a copy of the License at
007 *
008 *      http://www.apache.org/licenses/LICENSE-2.0
009 *
010 *  Unless required by applicable law or agreed to in writing, software
011 *  distributed under the License is distributed on an "AS IS" BASIS,
012 *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
013 *  See the License for the specific language governing permissions and
014 *  limitations under the License.
015 */
016package org.ametys.plugins.skincommons;
017
018import java.util.Collections;
019import java.util.Map;
020
021import org.apache.avalon.framework.parameters.Parameters;
022import org.apache.cocoon.acting.AbstractAction;
023import org.apache.cocoon.acting.Action;
024import org.apache.cocoon.environment.ObjectModelHelper;
025import org.apache.cocoon.environment.Redirector;
026import org.apache.cocoon.environment.Request;
027import org.apache.cocoon.environment.SourceResolver;
028
029/**
030 * {@link Action} for selecting the skin location to use in preview mode.
031 */
032public class SetSkinLocationAction extends AbstractAction
033{
034
035    @Override
036    public Map act(Redirector redirector, SourceResolver resolver, Map objectModel, String source, Parameters parameters) throws Exception
037    {
038        Request request = ObjectModelHelper.getRequest(objectModel);
039        String prefix = parameters.getParameter("skin-location");
040        
041        if (prefix != null)
042        {
043            request.setAttribute("skin-location", prefix);
044            
045            return Collections.EMPTY_MAP;
046        }
047        
048        return null;
049    }
050
051}