001/*
002 *  Copyright 2012 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.site;
017
018import java.io.File;
019import java.util.Map;
020
021import org.apache.avalon.framework.parameters.Parameters;
022import org.apache.avalon.framework.thread.ThreadSafe;
023import org.apache.cocoon.acting.ServiceableAction;
024import org.apache.cocoon.environment.Redirector;
025import org.apache.commons.io.FileUtils;
026
027/**
028 * Invalidates cached resources for a given skin.
029 */
030public class InvalidateSkinAction extends ServiceableAction implements ThreadSafe
031{
032    @Override
033    public Map act(Redirector redirector, org.apache.cocoon.environment.SourceResolver resolver, Map objectModel, String source, Parameters parameters) throws Exception
034    {
035        String skin = parameters.getParameter("skin");
036        
037        File root = SiteCacheHelper.getRootCache();
038        File skinRoot = new File(root, "skins/" + skin);
039        
040        if (skinRoot.exists())
041        {
042            FileUtils.forceDelete(skinRoot);
043            
044            if (getLogger().isInfoEnabled())
045            {
046                getLogger().info("Invalidate cache for skin '" + skin + "'");
047            }
048        }
049        
050        return EMPTY_MAP;
051    }
052}