org.argeo.server.jcr/src/org/argeo/jcr/DefaultRepositoryFactory.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.jcr;
  17
  18 import java.net.URI;
  19 import java.net.URISyntaxException;
  20 import java.util.Map;
  21 import java.util.Properties;
  22
  23 import javax.jcr.Repository;
  24 import javax.jcr.RepositoryException;
  25 import javax.jcr.RepositoryFactory;
  26
  27 import org.argeo.ArgeoException;
  28
  29 /**
  30  * Simple implementation of {@link RepositoryFactory}, supporting OSGi aliases.
  31  */
  32 public class DefaultRepositoryFactory extends DefaultRepositoryRegister
  33                 implements RepositoryFactory, ArgeoJcrConstants {
  34         @SuppressWarnings("rawtypes")
  35         public Repository getRepository(Map parameters) throws RepositoryException {
  36                 if (parameters.containsKey(JCR_REPOSITORY_ALIAS)) {
  37                         String alias = parameters.get(JCR_REPOSITORY_ALIAS).toString();
  38                         return getRepositoryByAlias(alias);
  39                 } else if (parameters.containsKey(JCR_REPOSITORY_URI)) {
  40                         String uri = parameters.get(JCR_REPOSITORY_URI).toString();
  41                         return getRepositoryByAlias(getAliasFromURI(uri));
  42                 }
  43                 return null;
  44         }
  45
  46         protected String getAliasFromURI(String uri) {
  47                 try {
  48                         URI uriObj = new URI(uri);
  49                         String alias = uriObj.getPath();
  50                         if (alias.charAt(0) == '/')
  51                                 alias = alias.substring(1);
  52                         if (alias.charAt(alias.length() - 1) == '/')
  53                                 alias = alias.substring(0, alias.length() - 1);
  54                         return alias;
  55                 } catch (URISyntaxException e) {
  56                         throw new ArgeoException("Cannot interpret URI " + uri, e);
  57                 }
  58         }
  59
  60         /**
  61          * Retrieve a repository by alias
  62          *
  63          * @return the repository registered with alias or null if none
  64          */
  65         protected Repository getRepositoryByAlias(String alias) {
  66                 if (getRepositories().containsKey(alias))
  67                         return getRepositories().get(alias);
  68                 else
  69                         return null;
  70         }
  71
  72         protected void publish(String alias, Repository repository,
  73                         Properties properties) {
  74                 register(repository, properties);
  75         }
  76
  77 }