Source code

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;
018
019import java.util.regex.Pattern;
020
021import javax.jcr.NoSuchWorkspaceException;
022import javax.jcr.RepositoryException;
023import javax.jcr.Session;
024import javax.jcr.observation.Event;
025import javax.jcr.observation.ObservationManager;
026
027import org.apache.avalon.framework.service.ServiceException;
028import org.apache.avalon.framework.service.ServiceManager;
029import org.apache.commons.lang3.ArrayUtils;
030
031import org.ametys.plugins.repository.AmetysObjectResolver;
032import org.ametys.plugins.repository.ModifiableTraversableAmetysObject;
033import org.ametys.plugins.repository.jcr.DefaultTraversableAmetysObject;
034import org.ametys.runtime.config.Config;
035import org.ametys.web.live.LiveWorkspaceListener;
036import org.ametys.web.repository.site.Site;
037import org.ametys.web.repository.site.SiteManager;
038import org.ametys.web.synchronization.SynchronizeComponent;
039
040/**
041 * Web plugin init class
042 */
043public class Init extends org.ametys.cms.Init
044{
045    private SiteManager _siteManager;
046    private SynchronizeComponent _synchronizeComponent;
047    
048    @Override
049    public void service(ServiceManager manager) throws ServiceException
050    {
051        super.service(manager);
052        _siteManager = (SiteManager) manager.lookup(SiteManager.ROLE);
053        _synchronizeComponent = (SynchronizeComponent) manager.lookup(SynchronizeComponent.ROLE);
054    }
055    
056    @Override
057    public void init() throws Exception
058    {
059        DefaultTraversableAmetysObject root = _resolver.resolveByPath("/");
060
061        Session session = _repository.getAdminSession();
062        ObservationManager manager = session.getWorkspace().getObservationManager();
063        
064        // Create Live workspace if needed
065        createLiveWorkspace();
066        
067        // Create archives workspace if needed
068        createArchiveWorkspace();
069        
070        // Register a non-recursive live workspace listener for root nodes
071        manager.addEventListener(new LiveWorkspaceListener(_repository, _synchronizeComponent, getLogger()), 
072                                 Event.NODE_ADDED
073                                 | Event.NODE_REMOVED
074                                 | Event.NODE_MOVED
075                                 | Event.PROPERTY_ADDED
076                                 | Event.PROPERTY_CHANGED
077                                 | Event.PROPERTY_REMOVED, 
078                                 root.getNode().getPath(), false, null, null, false);
079        
080        // Create plugins root node if needed
081        createPluginsRootNode(root);
082        
083        // Create sites root node if needed
084        createSitesRootNode(root);
085        
086        // Register a live workspace listener for plugins, excluding root contents and ACL nodes
087        manager.addEventListener(new LiveWorkspaceListener(_repository, _synchronizeComponent, getLogger(), ArrayUtils.toArray(Pattern.compile("/ametys:root/ametys:plugins/[^/]+/ametys:contents.*"), Pattern.compile("/ametys:root/ametys:plugins/.+/ametys-internal:acl.*"))), 
088                                 Event.NODE_ADDED
089                                 | Event.NODE_REMOVED
090                                 | Event.NODE_MOVED
091                                 | Event.PROPERTY_ADDED
092                                 | Event.PROPERTY_CHANGED
093                                 | Event.PROPERTY_REMOVED, 
094                                 root.getNode().getPath() + "/ametys:plugins", true, null, null, false);
095        
096        // Create contents root node if needed
097        createContentsRootNode(root);
098        
099        // Create resources root node if needed
100        createResourcesRootNode(root);
101        
102        // Create shared resources (for all sites) root node if needed
103        createSharedResourcesNode(root);
104        
105        root.getNode().getSession().logout();
106        
107        for (Site site : _siteManager.getSites())
108        {
109            // Register a live workspace listener for plugins on each site, excluding root contents
110            manager.addEventListener(new LiveWorkspaceListener(_repository, _synchronizeComponent, getLogger(), ArrayUtils.toArray(Pattern.compile("/ametys:root/ametys-internal:sites/[^:]+/ametys-internal:plugins/[^/]+/ametys:contents.*"), Pattern.compile("/ametys:root/ametys-internal:sites/[^:]+/ametys-internal:plugins/.+/ametys-internal:acl.*"))), 
111                                     Event.NODE_ADDED
112                                     | Event.NODE_REMOVED
113                                     | Event.NODE_MOVED
114                                     | Event.PROPERTY_ADDED
115                                     | Event.PROPERTY_CHANGED
116                                     | Event.PROPERTY_REMOVED, 
117                                     site.getNode().getPath() + "/ametys-internal:plugins", true, null, null, false);
118            
119            // Creates local plugins space at "<site>/ametys-internal:plugins" if needed
120            if (!site.hasChild("ametys-internal:plugins"))
121            {
122                site.createChild("ametys-internal:plugins", "ametys:unstructured");
123            }
124
125            // Register a live workspace listener for resources explorer on each site
126            manager.addEventListener(new LiveWorkspaceListener(_repository, _synchronizeComponent, getLogger()), 
127                                     Event.NODE_ADDED
128                                     | Event.NODE_REMOVED
129                                     | Event.NODE_MOVED
130                                     | Event.PROPERTY_ADDED
131                                     | Event.PROPERTY_CHANGED
132                                     | Event.PROPERTY_REMOVED, 
133                                     site.getNode().getPath() + "/ametys-internal:resources", true, null, null, false);
134            
135            // Creates local resources space at "<site>/ametys-internal:resources" if needed
136            if (!site.hasChild("ametys-internal:resources"))
137            {
138                site.createChild("ametys-internal:resources", "ametys:resources-collection");
139            }
140
141            if (site.needsSave())
142            {
143                site.saveChanges();
144            }
145        }
146    }
147    
148    /**
149     * Create the live workspace.
150     * @throws RepositoryException if a repository error occurred.
151     */
152    protected void createLiveWorkspace() throws RepositoryException
153    {
154        Session session = null;
155        Session liveSession = null;
156        
157        try
158        {
159            // Try to login 
160            liveSession = _repository.login(WebConstants.LIVE_WORKSPACE);
161        }
162        catch (NoSuchWorkspaceException e)
163        {
164            getLogger().info("Live workspace does not exist, creating it...");
165            
166            session = _repository.login();
167            session.getWorkspace().createWorkspace(WebConstants.LIVE_WORKSPACE);
168            liveSession = _repository.login(WebConstants.LIVE_WORKSPACE);
169
170            liveSession.getRootNode().addNode(AmetysObjectResolver.ROOT_REPO, AmetysObjectResolver.ROOT_TYPE);
171            liveSession.save();
172        }
173        finally
174        {
175            if (session != null)
176            {
177                session.logout();
178            }
179            if (liveSession != null)
180            {
181                liveSession.logout();
182            }
183        }
184    }
185    
186    /**
187     * Create the JCR root node for sites storage if needed
188     * @param rootNode The JCR root node
189     * @throws RepositoryException Thrown if the node cannot be created
190     */
191    protected void createSitesRootNode(ModifiableTraversableAmetysObject rootNode) throws RepositoryException
192    {
193        if (!rootNode.hasChild(SiteManager.ROOT_SITES))
194        {
195            rootNode.createChild(SiteManager.ROOT_SITES, "ametys:collection");
196            rootNode.saveChanges();
197        }
198    }
199    
200    /**
201     * Create the JCR root node for shared resources storage if needed
202     * @param rootNode The JCR root node
203     * @throws RepositoryException Thrown if the node cannot be created
204     */
205    protected void createSharedResourcesNode(ModifiableTraversableAmetysObject rootNode) throws RepositoryException
206    {
207        // Creates web-explorer space at "/ametys:plugins/web-explorer" if needed
208        DefaultTraversableAmetysObject pluginsNode = (DefaultTraversableAmetysObject) rootNode.getChild("ametys:plugins");
209        if (!pluginsNode.hasChild("web-explorer"))
210        {
211            pluginsNode.createChild("web-explorer", "ametys:unstructured");
212        }
213        
214        if (pluginsNode.needsSave())
215        {
216            pluginsNode.saveChanges();
217        }
218
219        // Creates shared resources space at "/ametys:plugins/web-explorer/shared-resources" if needed
220        boolean useSharedResources = Config.getInstance().getValue("resources.shared.folder");
221        DefaultTraversableAmetysObject explorerNode = (DefaultTraversableAmetysObject) pluginsNode.getChild("web-explorer");
222        
223        if (useSharedResources)
224        {
225            DefaultTraversableAmetysObject sharedRoot;
226            
227            if (!explorerNode.hasChild("shared-resources"))
228            {
229                sharedRoot = (DefaultTraversableAmetysObject) explorerNode.createChild("shared-resources", "ametys:unstructured");
230            }
231            else
232            {
233                sharedRoot = (DefaultTraversableAmetysObject) explorerNode.getChild("shared-resources");
234            }
235            
236            // Also automatically create the "all" share, available to all sites
237            if (!sharedRoot.hasChild("all"))
238            {
239                sharedRoot.createChild("all", "ametys:resources-collection");
240            }
241            
242            if (explorerNode.needsSave())
243            {
244                explorerNode.saveChanges();
245            }
246        }
247    }
248}