jcr/ArgeoJcrUtils.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.util.HashMap;
  19 import java.util.Map;
  20
  21 import javax.jcr.Repository;
  22 import javax.jcr.RepositoryException;
  23 import javax.jcr.RepositoryFactory;
  24
  25 /** Utilities related to Argeo model in JCR */
  26 public class ArgeoJcrUtils implements ArgeoJcrConstants {
  27         /**
  28          * Wraps the call to the repository factory based on parameter
  29          * {@link ArgeoJcrConstants#JCR_REPOSITORY_ALIAS} in order to simplify it
  30          * and protect against future API changes.
  31          */
  32         public static Repository getRepositoryByAlias(
  33                         RepositoryFactory repositoryFactory, String alias) {
  34                 try {
  35                         Map<String, String> parameters = new HashMap<String, String>();
  36                         parameters.put(JCR_REPOSITORY_ALIAS, alias);
  37                         return repositoryFactory.getRepository(parameters);
  38                 } catch (RepositoryException e) {
  39                         throw new ArgeoJcrException(
  40                                         "Unexpected exception when trying to retrieve repository with alias "
  41                                                         + alias, e);
  42                 }
  43         }
  44
  45         /**
  46          * Wraps the call to the repository factory based on parameter
  47          * {@link ArgeoJcrConstants#JCR_REPOSITORY_URI} in order to simplify it and
  48          * protect against future API changes.
  49          */
  50         public static Repository getRepositoryByUri(
  51                         RepositoryFactory repositoryFactory, String uri) {
  52                 return getRepositoryByUri(repositoryFactory, uri, null);
  53         }
  54
  55         /**
  56          * Wraps the call to the repository factory based on parameter
  57          * {@link ArgeoJcrConstants#JCR_REPOSITORY_URI} in order to simplify it and
  58          * protect against future API changes.
  59          */
  60         public static Repository getRepositoryByUri(
  61                         RepositoryFactory repositoryFactory, String uri, String alias) {
  62                 try {
  63                         Map<String, String> parameters = new HashMap<String, String>();
  64                         parameters.put(JCR_REPOSITORY_URI, uri);
  65                         if (alias != null)
  66                                 parameters.put(JCR_REPOSITORY_ALIAS, alias);
  67                         return repositoryFactory.getRepository(parameters);
  68                 } catch (RepositoryException e) {
  69                         throw new ArgeoJcrException(
  70                                         "Unexpected exception when trying to retrieve repository with uri "
  71                                                         + uri, e);
  72                 }
  73         }
  74
  75         private ArgeoJcrUtils() {
  76         }
  77
  78 }