001/*
002 *  Copyright 2011 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.web.synchronization;
017
018import java.util.Map;
019
020import javax.jcr.RepositoryException;
021import javax.jcr.Session;
022
023import org.apache.avalon.framework.service.ServiceException;
024import org.apache.avalon.framework.service.ServiceManager;
025
026import org.ametys.core.observation.Event;
027import org.ametys.core.observation.Observer;
028import org.ametys.web.ObservationConstants;
029import org.ametys.web.live.SitePopulator;
030import org.ametys.web.repository.site.Site;
031import org.ametys.web.skin.Skin;
032import org.ametys.web.skin.SkinsManager;
033
034/**
035 * {@link Observer} for observing site move in order to synchronize live workspace.
036 */
037public class SynchronizeSiteMoveObserver extends AbstractSynchronizeObserver
038{
039    private SitePopulator _livePopulator;
040    private SkinsManager _skinsManager;
041
042    @Override
043    public void service(ServiceManager manager) throws ServiceException
044    {
045        super.service(manager);
046        _livePopulator = (SitePopulator) manager.lookup(SitePopulator.ROLE);
047        _skinsManager = (SkinsManager) manager.lookup(SkinsManager.ROLE);
048    }
049    
050    @Override
051    public boolean supports(Event event)
052    {
053        return event.getId().equals(ObservationConstants.EVENT_SITE_MOVED);
054    }
055
056    @Override
057    protected void _internalObserve(Event event, Session liveSession) throws RepositoryException
058    {
059        Map<String, Object> arguments = event.getArguments();
060        Site site = (Site)  arguments.get(ObservationConstants.ARGS_SITE);
061        
062        String oldPath = (String) arguments.get("site.old.path");
063        
064        Skin skin = _skinsManager.getSkin(site.getSkinId());
065        
066        try
067        {
068            if (liveSession.itemExists(oldPath))
069            {
070                liveSession.getItem(oldPath).remove();
071            }
072            
073            _livePopulator.populate(site, skin);
074        }
075        catch (Exception e)
076        {
077            throw new RepositoryException("Unable to build live workspace for site " + site.getName(), e);
078        }
079    }
080
081}