org.argeo.server.jcr/src/org/argeo/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 import org.argeo.ArgeoException;
  26
  27 /** Utilities related to Argeo model in JCR */
  28 public class ArgeoJcrUtils implements ArgeoJcrConstants {
  29         /**
  30          * Wraps the call to the repository factory based on parameter
  31          * {@link ArgeoJcrConstants#JCR_REPOSITORY_ALIAS} in order to simplify it
  32          * and protect against future API changes.
  33          */
  34         public static Repository getRepositoryByAlias(
  35                         RepositoryFactory repositoryFactory, String alias) {
  36                 try {
  37                         Map<String, String> parameters = new HashMap<String, String>();
  38                         parameters.put(JCR_REPOSITORY_ALIAS, alias);
  39                         return repositoryFactory.getRepository(parameters);
  40                 } catch (RepositoryException e) {
  41                         throw new ArgeoException(
  42                                         "Unexpected exception when trying to retrieve repository with alias "
  43                                                         + alias, e);
  44                 }
  45         }
  46
  47         /**
  48          * Wraps the call to the repository factory based on parameter
  49          * {@link ArgeoJcrConstants#JCR_REPOSITORY_URI} in order to simplify it and
  50          * protect against future API changes.
  51          */
  52         public static Repository getRepositoryByUri(
  53                         RepositoryFactory repositoryFactory, String uri) {
  54                 return getRepositoryByUri(repositoryFactory, uri, null);
  55         }
  56
  57         /**
  58          * Wraps the call to the repository factory based on parameter
  59          * {@link ArgeoJcrConstants#JCR_REPOSITORY_URI} in order to simplify it and
  60          * protect against future API changes.
  61          */
  62         public static Repository getRepositoryByUri(
  63                         RepositoryFactory repositoryFactory, String uri, String alias) {
  64                 try {
  65                         Map<String, String> parameters = new HashMap<String, String>();
  66                         parameters.put(JCR_REPOSITORY_URI, uri);
  67                         if (alias != null)
  68                                 parameters.put(JCR_REPOSITORY_ALIAS, alias);
  69                         return repositoryFactory.getRepository(parameters);
  70                 } catch (RepositoryException e) {
  71                         throw new ArgeoException(
  72                                         "Unexpected exception when trying to retrieve repository with uri "
  73                                                         + uri, e);
  74                 }
  75         }
  76
  77         private ArgeoJcrUtils() {
  78         }
  79
  80 }