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1   /*
2    *  Licensed to the Apache Software Foundation (ASF) under one
3    *  or more contributor license agreements.  See the NOTICE file
4    *  distributed with this work for additional information
5    *  regarding copyright ownership.  The ASF licenses this file
6    *  to you under the Apache License, Version 2.0 (the
7    *  "License"); you may not use this file except in compliance
8    *  with the License.  You may obtain a copy of the License at
9    *
10   *    http://www.apache.org/licenses/LICENSE-2.0
11   *
12   *  Unless required by applicable law or agreed to in writing,
13   *  software distributed under the License is distributed on an
14   *  "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
15   *  KIND, either express or implied.  See the License for the
16   *  specific language governing permissions and limitations
17   *  under the License.
18   *
19   */
20  package org.apache.directory.api.ldap.model.schema.registries.helper;
21  
22  
23  import java.util.List;
24  
25  import org.apache.directory.api.ldap.model.exception.LdapException;
26  import org.apache.directory.api.ldap.model.schema.MatchingRuleUse;
27  import org.apache.directory.api.ldap.model.schema.registries.AttributeTypeRegistry;
28  import org.apache.directory.api.ldap.model.schema.registries.Registries;
29  
30  
31  /**
32   * An helper class used to store all the methods associated with a MatchingRuleUse
33   * in relation with the Registries and SchemaManager.
34   * 
35   * @author <a href="mailto:dev@directory.apache.org">Apache Directory Project</a>
36   */
37  public class MatchingRuleUseHelper
38  {
39      /**
40       * Inject the MatchingRuleUse into the registries, updating the references to
41       * other SchemaObject
42       *
43       * @param matchingRuleUse The MatchingRuleUse to add to the Registries
44       * @param errors The errors we got while adding the MatchingRuleUse to the Registries
45       * @param registries The Registries
46       * @exception If the addition failed
47       */
48      public static void addToRegistries( MatchingRuleUse matchingRuleUse, List<Throwable> errors, Registries registries )
49          throws LdapException
50      {
51          if ( registries != null )
52          {
53              try
54              {
55                  matchingRuleUse.unlock();
56  
57                  AttributeTypeRegistry atRegistry = registries.getAttributeTypeRegistry();
58  
59                  matchingRuleUse.getApplicableAttributes().clear();
60  
61                  for ( String oid : matchingRuleUse.getApplicableAttributeOids() )
62                  {
63                      matchingRuleUse.getApplicableAttributes().add( atRegistry.lookup( oid ) );
64                  }
65              }
66              finally
67              {
68                  matchingRuleUse.lock();
69              }
70          }
71      }
72  }