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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.server.schema;
21  
22  
23  import javax.naming.Name;
24  import javax.naming.NamingException;
25  
26  import org.apache.directory.server.schema.registries.AttributeTypeRegistry;
27  import org.apache.directory.server.schema.registries.Registries;
28  import org.apache.directory.shared.ldap.name.LdapDN;
29  import org.apache.directory.shared.ldap.schema.Normalizer;
30  
31  
32  /**
33   * 
34   * 
35   * @author <a href="mailto:dev@directory.apache.org">Apache Directory Project</a>
36   * @version $Rev$
37   */
38  public class DnNormalizer implements Normalizer
39  {
40      private static final long serialVersionUID = 1L;
41  
42      // @TODO use this later for seting up normalization
43      private AttributeTypeRegistry attrRegistry;
44      
45      
46      public DnNormalizer( AttributeTypeRegistry attrRegistry )
47      {
48          this.attrRegistry = attrRegistry;
49      }
50      
51      
52      public DnNormalizer()
53      {
54      }
55   
56      
57      public void setRegistries( Registries registries )
58      {
59          this.attrRegistry = registries.getAttributeTypeRegistry();
60      }
61      
62  
63      public Object normalize( Object value ) throws NamingException
64      {
65          LdapDN dn = null;
66          
67          if ( value instanceof LdapDN )
68          {
69              dn = ( LdapDN ) ( ( LdapDN ) value ).clone();
70          }
71          else if ( value instanceof Name )
72          {
73              dn = new LdapDN( ( Name ) value );
74          }
75          else if ( value instanceof String )
76          {
77              dn = new LdapDN( ( String ) value );
78          }
79          else
80          {
81              throw new IllegalStateException( "I do not know how to handle dn normalization with objects of class: " 
82                  + (value == null ? null : value.getClass() ) );
83          }
84          
85          dn.normalize( attrRegistry.getNormalizerMapping() );
86          return dn.getNormName();
87      }
88  }