org.exoplatform.services.jcr.impl.jndi.BindableRepositoryFactory.java Source code

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Here is the source code for org.exoplatform.services.jcr.impl.jndi.BindableRepositoryFactory.java

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/*
 * Copyright (C) 2009 eXo Platform SAS.
 *
 * This is free software; you can redistribute it and/or modify it
 * under the terms of the GNU Lesser General Public License as
 * published by the Free Software Foundation; either version 2.1 of
 * the License, or (at your option) any later version.
 *
 * This software is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with this software; if not, write to the Free
 * Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
 * 02110-1301 USA, or see the FSF site: http://www.fsf.org.
 */
package org.exoplatform.services.jcr.impl.jndi;

import org.apache.commons.collections.map.ReferenceMap;
import org.exoplatform.container.ExoContainer;
import org.exoplatform.container.ExoContainerContext;
import org.exoplatform.container.StandaloneContainer;
import org.exoplatform.services.jcr.RepositoryService;
import org.exoplatform.services.jcr.core.ManageableRepository;

import java.util.Hashtable;
import java.util.Map;

import javax.naming.Context;
import javax.naming.Name;
import javax.naming.RefAddr;
import javax.naming.Reference;
import javax.naming.spi.ObjectFactory;

/**
 * Created by The eXo Platform SAS.<br/>
 * 
 * ObjectFactory to produce BindableRepositoryImpl objects
 * 
 * @author <a href="mailto:lautarul@gmail.com">Roman Pedchenko</a>
 * @version $Id: BindableRepositoryFactory.java 11907 2008-03-13 15:36:21Z ksm $
 */

public class BindableRepositoryFactory implements ObjectFactory {

    static final String REPOSITORYNAME_ADDRTYPE = "repositoryName";

    static final String CONTAINERCONFIG_ADDRTYPE = "containerConfig";

    private static Map cache = new ReferenceMap(ReferenceMap.HARD, ReferenceMap.SOFT);

    public BindableRepositoryFactory() {
    }

    public Object getObjectInstance(Object obj, Name name, Context nameCtx, Hashtable environment)
            throws Exception {
        if (obj instanceof Reference) {
            Reference ref = (Reference) obj;
            synchronized (cache) {
                if (cache.containsKey(ref)) {
                    return cache.get(ref);
                }
                RefAddr containerConfig = ref.get(CONTAINERCONFIG_ADDRTYPE);
                String repositoryName = (String) ref.get(REPOSITORYNAME_ADDRTYPE).getContent();
                ExoContainer container = ExoContainerContext.getCurrentContainerIfPresent();
                if (containerConfig != null) {
                    // here the code will work properly only when no StandaloneContainer instance created yet
                    if (container == null) {
                        StandaloneContainer.setConfigurationURL((String) containerConfig.getContent());
                        container = StandaloneContainer.getInstance();
                    }
                }
                ManageableRepository rep = ((RepositoryService) container
                        .getComponentInstanceOfType(RepositoryService.class)).getRepository(repositoryName);
                // BindableRepositoryImpl brep = new BindableRepositoryImpl(rep);
                cache.put(ref, rep);
                return rep;
            }
        }
        return null;
    }
}