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 */
016
017package org.ametys.web.live;
018
019import javax.jcr.Node;
020import javax.jcr.NodeIterator;
021import javax.jcr.RepositoryException;
022import javax.jcr.Session;
023
024import org.apache.avalon.framework.logger.AbstractLogEnabled;
025import org.apache.avalon.framework.service.ServiceException;
026import org.apache.avalon.framework.service.ServiceManager;
027import org.apache.avalon.framework.service.Serviceable;
028
029import org.ametys.plugins.repository.AmetysObjectIterable;
030import org.ametys.web.repository.site.Site;
031import org.ametys.web.repository.site.SiteManager;
032import org.ametys.web.skin.Skin;
033import org.ametys.web.skin.SkinsManager;
034
035/**
036 * {@link LivePopulator} for synchronizing sites.
037 */
038public class SitesLivePopulator extends AbstractLogEnabled implements LivePopulator, Serviceable
039{
040    private SitePopulator _sitePopulator;
041    private SkinsManager _skinsManager;
042    private SiteManager _siteManager;
043    
044    @Override
045    public void service(ServiceManager manager) throws ServiceException
046    {
047        _sitePopulator = (SitePopulator) manager.lookup(SitePopulator.ROLE);
048        _skinsManager = (SkinsManager) manager.lookup(SkinsManager.ROLE);
049        _siteManager = (SiteManager) manager.lookup(SiteManager.ROLE);
050    }
051    
052    @Override
053    public void populate(Session session, Session liveSession)
054    {
055        // First delete sites in live (to avoid that a deleted site in workspace default still remains in live workspace)
056        _deleteLiveSites(liveSession);
057        
058        AmetysObjectIterable<Site> siteIterable = _siteManager.getSites();
059            
060        for (Site site : siteIterable)
061        {
062            try
063            {
064                if (getLogger().isInfoEnabled())
065                {
066                    getLogger().info("Populate live workspace for site " + site.getName());
067                }
068                
069                Skin skin = _skinsManager.getSkin(site.getSkinId());
070                
071                if (skin == null)
072                {
073                    throw new IllegalArgumentException("There's no skin for site " + site.getName() + ". Unable to rebuild live workspace.");
074                }
075                
076                _sitePopulator.populate(site, skin);
077            }
078            catch (Exception e)
079            {
080                getLogger().error("Unable to populate live workspace for site: " + site, e);
081            }
082        }
083    }
084    
085    private void _deleteLiveSites(Session liveSession)
086    {
087        try
088        {
089            if (getLogger().isInfoEnabled())
090            {
091                getLogger().info("Remove all sites from live");
092            }
093            
094            Node liveRootNode = liveSession.getRootNode();
095            if (liveRootNode.hasNode("ametys:root" + SiteManager.ROOT_SITES_PATH))
096            {
097                NodeIterator childNodes = liveRootNode.getNode("ametys:root" + SiteManager.ROOT_SITES_PATH).getNodes();
098                while (childNodes.hasNext())
099                {
100                    Node siteNode = childNodes.nextNode();
101                    siteNode.remove();
102                }
103            }
104        }
105        catch (RepositoryException e)
106        {
107            getLogger().error("Failed to delete all sites from live workspace", e);
108        }
109    }
110}