001 /*
002 * JBoss DNA (http://www.jboss.org/dna)
003 * See the COPYRIGHT.txt file distributed with this work for information
004 * regarding copyright ownership. Some portions may be licensed
005 * to Red Hat, Inc. under one or more contributor license agreements.
006 * See the AUTHORS.txt file in the distribution for a full listing of
007 * individual contributors.
008 *
009 * JBoss DNA is free software. Unless otherwise indicated, all code in JBoss DNA
010 * is licensed to you under the terms of the GNU Lesser General Public License as
011 * published by the Free Software Foundation; either version 2.1 of
012 * the License, or (at your option) any later version.
013 *
014 * JBoss DNA is distributed in the hope that it will be useful,
015 * but WITHOUT ANY WARRANTY; without even the implied warranty of
016 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
017 * Lesser General Public License for more details.
018 *
019 * You should have received a copy of the GNU Lesser General Public
020 * License along with this software; if not, write to the Free
021 * Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
022 * 02110-1301 USA, or see the FSF site: http://www.fsf.org.
023 */
024
025 package org.jboss.dna.repository.util;
026
027 import java.util.Map;
028 import java.util.concurrent.ConcurrentHashMap;
029 import javax.jcr.Credentials;
030 import javax.jcr.Repository;
031 import javax.jcr.Session;
032 import javax.naming.InitialContext;
033 import org.jboss.dna.common.SystemFailureException;
034 import org.jboss.dna.repository.RepositoryI18n;
035
036 /**
037 * A SessionFactory implementation that creates {@link Session} instances from a map of named {@link Repository} references
038 * managed by this factory.
039 * <p>
040 * By default, this factory creates an anonymous JCR session. To use sessions with specific {@link Credentials}, simply
041 * {@link #registerCredentials(String, Credentials) register} credentials for the appropriate repository/workspace name. For
042 * security reasons, it is not possible to retrieve the Credentials once registered with this factory.
043 * </p>
044 *
045 * @author Randall Hauch
046 */
047 public class SimpleSessionFactory extends AbstractSessionFactory {
048
049 private final Map<String, Repository> repositories = new ConcurrentHashMap<String, Repository>();
050
051 /**
052 * Create an instance of the factory by creating a new {@link InitialContext}.
053 */
054 public SimpleSessionFactory() {
055 super();
056 }
057
058 /**
059 * Create an instance of the factory by supplying the characters that may be used to delimit the workspace name from the
060 * repository name.
061 *
062 * @param workspaceDelimiters the delimiters, or null/empty if the default delimiter of '/' should be used.
063 */
064 public SimpleSessionFactory( char... workspaceDelimiters ) {
065 super(workspaceDelimiters);
066 }
067
068 /**
069 * {@inheritDoc}
070 */
071 @Override
072 protected void doRegisterRepository( String name,
073 Repository repository ) {
074 this.repositories.put(name, repository);
075 }
076
077 /**
078 * {@inheritDoc}
079 */
080 @Override
081 protected void doUnregisterRepository( String name ) throws SystemFailureException {
082 if (this.repositories.remove(name) == null) {
083 throw new SystemFailureException(RepositoryI18n.unableToRemoveRepository.text(name));
084 }
085 }
086
087 /**
088 * {@inheritDoc}
089 */
090 @Override
091 protected Repository findRegisteredRepository( String name ) throws SystemFailureException {
092 Repository repository = this.repositories.get(name);
093 if (repository == null) {
094 throw new SystemFailureException(RepositoryI18n.unableToFindRepositoryWithName.text(name));
095 }
096 return repository;
097 }
098
099 }