| /* |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you under the Apache License, Version 2.0 (the |
| * "License"); you may not use this file except in compliance |
| * with the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, |
| * software distributed under the License is distributed on an |
| * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY |
| * KIND, either express or implied. See the License for the |
| * specific language governing permissions and limitations |
| * under the License. |
| * |
| */ |
| package org.apache.directory.shared.ldap.schema.comparators; |
| |
| |
| import org.apache.directory.shared.ldap.exception.LdapException; |
| import org.apache.directory.shared.ldap.exception.LdapInvalidDnException; |
| |
| import org.apache.directory.shared.i18n.I18n; |
| import org.apache.directory.shared.ldap.name.DN; |
| import org.apache.directory.shared.ldap.schema.LdapComparator; |
| import org.apache.directory.shared.ldap.schema.SchemaManager; |
| |
| |
| /** |
| * |
| * |
| * @author <a href="mailto:dev@directory.apache.org">Apache Directory Project</a> |
| */ |
| public class DnComparator extends LdapComparator<Object> |
| { |
| /** A reference to the schema manager */ |
| private transient SchemaManager schemaManager; |
| |
| public DnComparator( String oid ) |
| { |
| super( oid ); |
| } |
| |
| |
| /** |
| * {@inheritDoc} |
| */ |
| public int compare( Object obj0, Object obj1 ) |
| { |
| DN dn0 = null; |
| DN dn1 = null; |
| |
| try |
| { |
| dn0 = getDn( obj0 ); |
| dn1 = getDn( obj1 ); |
| } |
| catch ( LdapException e ) |
| { |
| // -- what do we do here ? |
| return -1; |
| } |
| |
| return dn0.compareTo( dn1 ); |
| } |
| |
| |
| public DN getDn( Object obj ) throws LdapInvalidDnException |
| { |
| DN dn = null; |
| |
| if ( obj instanceof DN ) |
| { |
| dn = (DN)obj; |
| |
| dn = ( dn.isNormalized() ? dn : DN.normalize( dn, schemaManager.getNormalizerMapping() ) ); |
| } |
| else if ( obj instanceof String ) |
| { |
| dn = new DN( ( String ) obj, schemaManager ); |
| } |
| else |
| { |
| throw new IllegalStateException( I18n.err( I18n.ERR_04218, (obj == null ? null : obj.getClass() ) ) ); |
| } |
| |
| return dn; |
| } |
| |
| |
| /** |
| * {@inheritDoc} |
| */ |
| public void setSchemaManager( SchemaManager schemaManager ) |
| { |
| this.schemaManager = schemaManager; |
| } |
| } |