001/*
002 *  Copyright 2017 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.attachments;
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.plugins.repository.AmetysObject;
028import org.ametys.plugins.repository.AmetysObjectResolver;
029import org.ametys.plugins.repository.jcr.JCRAmetysObject;
030import org.ametys.web.repository.page.Page;
031import org.ametys.web.skin.Skin;
032import org.ametys.web.skin.SkinsManager;
033import org.ametys.web.synchronization.AbstractSynchronizeObserver;
034
035/**
036 * Listener on page attachments events
037 */
038public class SynchronizePageAttachmentsObserver extends AbstractSynchronizeObserver
039{
040    private AmetysObjectResolver _resolver;
041    private SkinsManager _skinsManager;
042
043    @Override
044    public void service(ServiceManager serviceManager) throws ServiceException
045    {
046        super.service(serviceManager);
047        _resolver = (AmetysObjectResolver) serviceManager.lookup(AmetysObjectResolver.ROLE);
048        _skinsManager = (SkinsManager) serviceManager.lookup(SkinsManager.ROLE);
049    }
050    
051    @Override
052    public boolean supports(Event event)
053    {
054        return event.getId().equals(org.ametys.plugins.explorer.ObservationConstants.EVENT_RESOURCE_CREATED)
055                || event.getId().equals(org.ametys.plugins.explorer.ObservationConstants.EVENT_RESOURCE_UPDATED)
056                || event.getId().equals(org.ametys.plugins.explorer.ObservationConstants.EVENT_RESOURCE_RENAMED)
057                || event.getId().equals(org.ametys.plugins.explorer.ObservationConstants.EVENT_RESOURCE_MOVED)
058                || event.getId().equals(org.ametys.plugins.explorer.ObservationConstants.EVENT_COLLECTION_RENAMED)
059                || event.getId().equals(org.ametys.plugins.explorer.ObservationConstants.EVENT_COLLECTION_MOVED);
060    }
061    
062    @Override
063    protected void _internalObserve(Event event, Session liveSession) throws RepositoryException
064    {
065        Map<String, Object> args = event.getArguments();
066        String objectId = args.containsKey(org.ametys.plugins.explorer.ObservationConstants.ARGS_ID) ? (String) args.get(org.ametys.plugins.explorer.ObservationConstants.ARGS_ID) : (String) args.get(org.ametys.plugins.explorer.ObservationConstants.ARGS_PARENT_ID);
067        AmetysObject object = _resolver.resolveById(objectId);
068        
069        Page page = _getPage(object);
070        if (page != null)
071        {
072            Skin skin = null;
073            if (page instanceof JCRAmetysObject)
074            {
075                skin = _skinsManager.getSkin(page.getSite().getSkinId());
076            }
077            
078            _synchronizeComponent.synchronizePage(page, skin, liveSession);
079            
080            if (liveSession.hasPendingChanges())
081            {
082                liveSession.save();
083            }
084        }
085    }
086    
087    private Page _getPage(AmetysObject object)
088    {
089        AmetysObject parent = object.getParent();
090        while (parent != null)
091        {
092            if (parent instanceof Page)
093            {
094                return (Page) parent;
095            }
096            parent = parent.getParent();
097        }
098        
099        return null;
100    }
101}