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 javax.jcr.ItemNotFoundException;
021import javax.jcr.Node;
022import javax.jcr.PropertyIterator;
023import javax.jcr.RepositoryException;
024import javax.jcr.Session;
025
026import org.apache.avalon.framework.service.ServiceException;
027import org.apache.avalon.framework.service.ServiceManager;
028
029import org.ametys.cms.ObservationConstants;
030import org.ametys.cms.repository.Content;
031import org.ametys.core.observation.Event;
032import org.ametys.core.observation.Observer;
033import org.ametys.plugins.repository.AmetysObjectResolver;
034import org.ametys.plugins.repository.jcr.JCRAmetysObject;
035import org.ametys.web.repository.page.Page;
036import org.ametys.web.repository.page.jcr.DefaultZone;
037import org.ametys.web.skin.Skin;
038import org.ametys.web.skin.SkinsManager;
039
040/**
041 * {@link Observer} for observing content validation in order to synchronize live workspace.
042 */
043public class SynchronizeContentAdditionObserver extends AbstractSynchronizeObserver
044{
045    /** Ametys object resolver. */
046    protected AmetysObjectResolver _ametysObjectResolver;
047    private SkinsManager _skinsManager;
048
049    @Override
050    public void service(ServiceManager manager) throws ServiceException
051    {
052        super.service(manager);
053        _ametysObjectResolver = (AmetysObjectResolver) manager.lookup(AmetysObjectResolver.ROLE);
054        _skinsManager = (SkinsManager) manager.lookup(SkinsManager.ROLE);
055    }
056    
057    @Override
058    public boolean supports(Event event)
059    {
060        return event.getId().equals(ObservationConstants.EVENT_CONTENT_ADDED);
061    }
062    
063    @Override
064    protected void _internalObserve(Event event, Session liveSession) throws RepositoryException
065    {
066        Map<String, Object> arguments = event.getArguments();
067        Content content = (Content) arguments.get(ObservationConstants.ARGS_CONTENT);
068        
069        if (!(content instanceof JCRAmetysObject))
070        {
071            return;
072        }
073        
074        Node node = ((JCRAmetysObject) content).getNode();
075        
076        try
077        {
078            // this call will fail if the node does not exist
079            liveSession.getNodeByIdentifier(node.getIdentifier());
080            
081            // Fixme the page incriminated in the array of args
082            
083            // Node is in the live workspace, need to be linked with referencing pages
084            PropertyIterator itReferences = ((JCRAmetysObject) content).getNode().getReferences();
085            
086            while (itReferences.hasNext())
087            {
088                Node refererNode = itReferences.nextProperty().getParent();
089                if (refererNode.getPrimaryNodeType().getName().equals(DefaultZone.ZONEITEM_NODE_NAME))
090                {
091                    Node pageNode = refererNode.getParent().getParent().getParent().getParent();
092                    Page page = _ametysObjectResolver.resolve(pageNode, false);
093                    Skin skin = _skinsManager.getSkin(page.getSite().getSkinId());
094                    
095                    _synchronizeComponent.synchronizePage(page, skin, liveSession);
096                }
097            }
098        }
099        catch (ItemNotFoundException e)
100        {
101            // content does not exist in the live workspace
102        }
103        
104        if (liveSession.hasPendingChanges())
105        {
106            liveSession.save();
107        }
108    }
109}