001/*
002 *  Licensed to the Apache Software Foundation (ASF) under one
003 *  or more contributor license agreements.  See the NOTICE file
004 *  distributed with this work for additional information
005 *  regarding copyright ownership.  The ASF licenses this file
006 *  to you under the Apache License, Version 2.0 (the
007 *  "License"); you may not use this file except in compliance
008 *  with the License.  You may obtain a copy of the License at
009 *
010 *    http://www.apache.org/licenses/LICENSE-2.0
011 *
012 *  Unless required by applicable law or agreed to in writing,
013 *  software distributed under the License is distributed on an
014 *  "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
015 *  KIND, either express or implied.  See the License for the
016 *  specific language governing permissions and limitations
017 *  under the License.
018 *
019 */
020package org.apache.directory.api.ldap.model.schema.registries.helper;
021
022
023import java.util.List;
024
025import org.apache.directory.api.ldap.model.exception.LdapException;
026import org.apache.directory.api.ldap.model.schema.MatchingRuleUse;
027import org.apache.directory.api.ldap.model.schema.registries.AttributeTypeRegistry;
028import org.apache.directory.api.ldap.model.schema.registries.Registries;
029
030
031/**
032 * An helper class used to store all the methods associated with a MatchingRuleUse
033 * in relation with the Registries and SchemaManager.
034 * 
035 * @author <a href="mailto:dev@directory.apache.org">Apache Directory Project</a>
036 */
037public final class MatchingRuleUseHelper
038{
039    private MatchingRuleUseHelper()
040    {
041    }
042
043
044    /**
045     * Inject the MatchingRuleUse into the registries, updating the references to
046     * other SchemaObject
047     *
048     * @param matchingRuleUse The MatchingRuleUse to add to the Registries
049     * @param errors The errors we got while adding the MatchingRuleUse to the Registries
050     * @param registries The Registries
051     * @throws LdapException If the addition failed
052     */
053    public static void addToRegistries( MatchingRuleUse matchingRuleUse, List<Throwable> errors, Registries registries )
054        throws LdapException
055    {
056        if ( registries != null )
057        {
058            try
059            {
060                matchingRuleUse.unlock();
061
062                AttributeTypeRegistry atRegistry = registries.getAttributeTypeRegistry();
063
064                matchingRuleUse.getApplicableAttributes().clear();
065
066                for ( String oid : matchingRuleUse.getApplicableAttributeOids() )
067                {
068                    matchingRuleUse.getApplicableAttributes().add( atRegistry.lookup( oid ) );
069                }
070            }
071            finally
072            {
073                matchingRuleUse.lock();
074            }
075        }
076    }
077}