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.web.synchronization;
017
018import java.util.Map;
019
020import org.apache.avalon.framework.logger.AbstractLogEnabled;
021import org.apache.avalon.framework.service.ServiceException;
022import org.apache.avalon.framework.service.ServiceManager;
023import org.apache.avalon.framework.service.Serviceable;
024
025import org.ametys.core.observation.Event;
026import org.ametys.core.observation.Observer;
027import org.ametys.plugins.repository.metadata.UnknownMetadataException;
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 addition in order to synchronize live workspace.
036 */
037public class SynchronizeSiteAdditionObserver extends AbstractLogEnabled implements Observer, Serviceable
038{
039    private SitePopulator _sitePopulator;
040    private SkinsManager _skinManager;
041    
042    public void service(ServiceManager smanager) throws ServiceException
043    {
044        _sitePopulator = (SitePopulator) smanager.lookup(SitePopulator.ROLE);
045        _skinManager = (SkinsManager) smanager.lookup(SkinsManager.ROLE);
046    }
047    
048    @Override
049    public boolean supports(Event event)
050    {
051        return event.getId().equals(ObservationConstants.EVENT_SITE_ADDED);
052    }
053    
054    @Override
055    public int getPriority(Event event)
056    {
057        return MAX_PRIORITY + 500;
058    }
059    
060    public void observe(Event event, Map<String, Object> transientVars) throws Exception
061    {
062        Map<String, Object> arguments = event.getArguments();
063        Site site = (Site)  arguments.get(ObservationConstants.ARGS_SITE);
064        
065        Skin skin = null;
066        try
067        {
068            skin = _skinManager.getSkin(site.getSkinId());
069        }
070        catch (UnknownMetadataException e)
071        {
072            // The site was not yet configured
073        }
074        
075        // Populate the live workspace
076        _sitePopulator.populate(site, skin);
077    }
078}