001    /*
002     * Copyright (C) 2010 eXo Platform SAS.
003     *
004     * This is free software; you can redistribute it and/or modify it
005     * under the terms of the GNU Lesser General Public License as
006     * published by the Free Software Foundation; either version 2.1 of
007     * the License, or (at your option) any later version.
008     *
009     * This software is distributed in the hope that it will be useful,
010     * but WITHOUT ANY WARRANTY; without even the implied warranty of
011     * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
012     * Lesser General Public License for more details.
013     *
014     * You should have received a copy of the GNU Lesser General Public
015     * License along with this software; if not, write to the Free
016     * Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
017     * 02110-1301 USA, or see the FSF site: http://www.fsf.org.
018     */
019    package org.crsh.jcr;
020    
021    import java.lang.reflect.Method;
022    import java.util.Map;
023    import javax.jcr.Repository;
024    
025    /**
026     * @author <a href="mailto:julien.viet@exoplatform.com">Julien Viet</a>
027     * @version $Revision$
028     */
029    public class ExoPlugin extends JCRPlugin<ExoPlugin> {
030    
031      @Override
032      public String getName() {
033        return "exo";
034      }
035    
036      @Override
037      public String getDisplayName() {
038        return "Exo JCR plugin";
039      }
040    
041      @Override
042      public String getUsage() {
043        return "You can use a container bound repository: 'repo use container=portal'";
044      }
045    
046      @Override
047      public ExoPlugin getImplementation() {
048        return this;
049      }
050    
051      @Override
052      public Repository getRepository(Map<String, String> properties) throws Exception {
053        ClassLoader cl = Thread.currentThread().getContextClassLoader();
054    
055        // Get top container
056        Class<?> eXoContainerContextClass = cl.loadClass("org.exoplatform.container.ExoContainerContext");
057        Method getTopContainerMethod = eXoContainerContextClass.getMethod("getTopContainer");
058        Object topContainer = getTopContainerMethod.invoke(null);
059    
060        //
061        if (topContainer != null) {
062          String containerName = properties.get("container");
063          Object container;
064          if (containerName != null) {
065            Method getPortalContainerMethod = topContainer.getClass().getMethod("getPortalContainer",
066                String.class);
067            container = getPortalContainerMethod.invoke(topContainer, containerName);
068          } else {
069            container = topContainer;
070          }
071    
072          //
073          if (container != null) {
074            Method getComponentInstanceOfTypeMethod = container.getClass().getMethod(
075                "getComponentInstanceOfType", Class.class);
076            Class<?> repositoryServiceClass = Thread.currentThread().getContextClassLoader().loadClass(
077                "org.exoplatform.services.jcr.RepositoryService");
078            Object repositoryService = getComponentInstanceOfTypeMethod.invoke(container,
079                repositoryServiceClass);
080    
081            //
082            if (repositoryService != null) {
083              Method getCurrentRepositoryMethod = repositoryService.getClass().getMethod(
084                  "getCurrentRepository");
085              return (Repository) getCurrentRepositoryMethod.invoke(repositoryService);
086            }
087          }
088        }
089    
090        //
091        return null;
092      }
093    }