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 org.apache.directory.server.schema.registries.AttributeTypeRegistry;
24 import org.apache.directory.server.schema.registries.Registries;
25 import org.apache.directory.shared.ldap.name.LdapDN;
26 import org.apache.directory.shared.ldap.schema.Normalizer;
27 import org.apache.directory.shared.ldap.util.StringTools;
28
29 import javax.naming.NamingException;
30
31
32 /**
33 * A noirmalizer for UniqueMember
34 *
35 * @author <a href="mailto:dev@directory.apache.org">Apache Directory Project</a>
36 * @version $Rev$
37 */
38 public class NameAndOptionalUIDNormalizer implements Normalizer
39 {
40 private static final long serialVersionUID = 1L;
41
42 private AttributeTypeRegistry attrRegistry;
43
44
45 public NameAndOptionalUIDNormalizer( AttributeTypeRegistry attrRegistry )
46 {
47 this.attrRegistry = attrRegistry;
48 }
49
50
51 public NameAndOptionalUIDNormalizer()
52 {
53 }
54
55
56 public void setRegistries( Registries registries )
57 {
58 this.attrRegistry = registries.getAttributeTypeRegistry();
59 }
60
61
62 public Object normalize( Object value ) throws NamingException
63 {
64 if ( value instanceof byte[] )
65 {
66 value = StringTools.utf8ToString( ( byte[] ) value );
67 }
68
69 if ( value instanceof String )
70 {
71 String nameAndUid = (String)value;
72
73 if ( nameAndUid.length() == 0 )
74 {
75 return false;
76 }
77
78 // Let's see if we have an UID part
79 int sharpPos = nameAndUid.lastIndexOf( '#' );
80
81 if ( sharpPos != -1 )
82 {
83 // Now, check that we don't have another '#'
84 if ( nameAndUid.indexOf( '#' ) != sharpPos )
85 {
86 // Yes, we have one : this is not allowed, it should have been
87 // escaped.
88 return false;
89 }
90
91 // This is an UID if the '#' is immediatly
92 // followed by a BitString, except if the '#' is
93 // on the last position
94 String uid = nameAndUid.substring( sharpPos + 1 );
95
96 if ( sharpPos > 0 )
97 {
98 LdapDN dn = new LdapDN( nameAndUid.substring( 0, sharpPos ) );
99
100 dn.normalize( attrRegistry.getNormalizerMapping() );
101
102 return dn.getNormName() + '#' + uid;
103 }
104 else
105 {
106 throw new IllegalStateException( "I do not know how to handle NameAndOptionalUID normalization with objects of class: "
107 + (value == null ? null : value.getClass() ) );
108 }
109 }
110 else
111 {
112 // No UID, the strValue is a DN
113 // Return the normalized DN
114 return new LdapDN( nameAndUid ).getNormName();
115 }
116 }
117 else
118 {
119 throw new IllegalStateException( "I do not know how to handle NameAndOptionalUID normalization with objects of class: "
120 + (value == null ? null : value.getClass() ) );
121 }
122 }
123 }