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.site;
017
018import java.util.Map;
019
020import org.apache.avalon.framework.parameters.Parameters;
021import org.apache.avalon.framework.service.ServiceException;
022import org.apache.avalon.framework.service.ServiceManager;
023import org.apache.avalon.framework.thread.ThreadSafe;
024import org.apache.cocoon.acting.ServiceableAction;
025import org.apache.cocoon.environment.Redirector;
026import org.apache.cocoon.environment.SourceResolver;
027import org.slf4j.Logger;
028import org.slf4j.LoggerFactory;
029
030import org.ametys.plugins.site.SiteInformationCache;
031
032/**
033 * Clear the {@link SiteInformationCache} informations.
034 */
035public class ResetSiteCacheAction extends ServiceableAction implements ThreadSafe
036{
037    private SiteInformationCache _siteCache;
038    private CacheAccessCounter _cacheAccessCounter;
039    private Logger _logger = LoggerFactory.getLogger("site.cache.log");
040    
041    @Override
042    public void service(ServiceManager sManager) throws ServiceException
043    {
044        super.service(sManager);
045        _siteCache = (SiteInformationCache) sManager.lookup(SiteInformationCache.ROLE);
046        _cacheAccessCounter = (CacheAccessCounter) sManager.lookup(CacheAccessCounter.ROLE);
047    }
048    
049    @Override
050    public Map act(Redirector redirector, SourceResolver resolver, Map objectModel, String source, Parameters parameters) throws Exception
051    {
052        if (_logger.isInfoEnabled())
053        {
054            _logger.info("Reset sites cache");
055        
056            int count = _cacheAccessCounter.getAskedResources();
057                
058            _logger.info("Since last reset or site cache invalidation', " + count + " resource(s) have been generated from back-office.");
059        }
060        
061        _siteCache.resetSitesCache();
062        return EMPTY_MAP;
063    }
064}