001    /*
002     * Copyright (C) 2012 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    public class ExoPlugin extends JCRPlugin<ExoPlugin> {
026    
027      @Override
028      public String getName() {
029        return "exo";
030      }
031    
032      @Override
033      public String getDisplayName() {
034        return "Exo JCR plugin";
035      }
036    
037      @Override
038      public String getUsage() {
039        return "You can use a container bound repository: 'repo use container=portal'";
040      }
041    
042      @Override
043      public ExoPlugin getImplementation() {
044        return this;
045      }
046    
047      @Override
048      public Repository getRepository(Map<String, String> properties) throws Exception {
049        ClassLoader cl = Thread.currentThread().getContextClassLoader();
050    
051        // Get top container
052        Class<?> eXoContainerContextClass = cl.loadClass("org.exoplatform.container.ExoContainerContext");
053        Method getTopContainerMethod = eXoContainerContextClass.getMethod("getTopContainer");
054        Object topContainer = getTopContainerMethod.invoke(null);
055    
056        //
057        if (topContainer != null) {
058          String containerName = properties != null ? properties.get("container") : null;
059          Object container;
060          if (containerName != null) {
061            Method getPortalContainerMethod = topContainer.getClass().getMethod("getPortalContainer",
062                String.class);
063            container = getPortalContainerMethod.invoke(topContainer, containerName);
064          } else {
065            container = topContainer;
066          }
067    
068          //
069          if (container != null) {
070            Method getComponentInstanceOfTypeMethod = container.getClass().getMethod(
071                "getComponentInstanceOfType", Class.class);
072            Class<?> repositoryServiceClass = Thread.currentThread().getContextClassLoader().loadClass(
073                "org.exoplatform.services.jcr.RepositoryService");
074            Object repositoryService = getComponentInstanceOfTypeMethod.invoke(container,
075                repositoryServiceClass);
076    
077            //
078            if (repositoryService != null) {
079              Method getCurrentRepositoryMethod = repositoryService.getClass().getMethod(
080                  "getCurrentRepository");
081              return (Repository) getCurrentRepositoryMethod.invoke(repositoryService);
082            }
083          }
084        }
085    
086        //
087        return null;
088      }
089    }