org.argeo.cms/src/org/argeo/cms/internal/kernel/NodeRepositoryFactory.java

   1 /*
   2  * Copyright (C) 2007-2012 Argeo GmbH
   3  *
   4  * Licensed under the Apache License, Version 2.0 (the "License");
   5  * you may not use this file except in compliance with the License.
   6  * You may obtain a copy of the License at
   7  *
   8  *         http://www.apache.org/licenses/LICENSE-2.0
   9  *
  10  * Unless required by applicable law or agreed to in writing, software
  11  * distributed under the License is distributed on an "AS IS" BASIS,
  12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  13  * See the License for the specific language governing permissions and
  14  * limitations under the License.
  15  */
  16 package org.argeo.cms.internal.kernel;
  17
  18 import java.util.Collection;
  19
  20 import javax.jcr.Repository;
  21
  22 import org.argeo.jackrabbit.JackrabbitRepositoryFactory;
  23 import org.argeo.jcr.ArgeoJcrException;
  24 import org.osgi.framework.BundleContext;
  25 import org.osgi.framework.FrameworkUtil;
  26 import org.osgi.framework.InvalidSyntaxException;
  27 import org.osgi.framework.ServiceReference;
  28
  29 /**
  30  * OSGi-aware Jackrabbit repository factory which can retrieve/publish
  31  * {@link Repository} as OSGi services.
  32  */
  33 class NodeRepositoryFactory extends JackrabbitRepositoryFactory {
  34         private final BundleContext bundleContext = FrameworkUtil.getBundle(getClass()).getBundleContext();
  35
  36         @Override
  37         protected Repository getRepositoryByAlias(String alias) {
  38                 try {
  39                         Collection<ServiceReference<Repository>> srs = bundleContext.getServiceReferences(Repository.class,
  40                                         "(" + JCR_REPOSITORY_ALIAS + "=" + alias + ")");
  41                         if (srs.size() == 0)
  42                                 throw new ArgeoJcrException("No repository with alias " + alias + " found in OSGi registry");
  43                         else if (srs.size() > 1)
  44                                 throw new ArgeoJcrException(
  45                                                 srs.size() + " repositories with alias " + alias + " found in OSGi registry");
  46                         return bundleContext.getService(srs.iterator().next());
  47                 } catch (InvalidSyntaxException e) {
  48                         throw new ArgeoJcrException("Cannot find repository with alias " + alias, e);
  49                 }
  50         }
  51
  52 //      private void publish(String alias, Repository repository, Properties properties) {
  53 //              if (bundleContext != null) {
  54 //                      // do not modify reference
  55 //                      Hashtable<String, String> props = new Hashtable<String, String>();
  56 //                      props.putAll(props);
  57 //                      props.put(JCR_REPOSITORY_ALIAS, alias);
  58 //                      bundleContext.registerService(Repository.class.getName(), repository, props);
  59 //              }
  60 //      }
  61 }