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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.syntaxCheckers;
21  
22  
23  import org.apache.directory.api.ldap.model.constants.SchemaConstants;
24  import org.apache.directory.api.ldap.model.schema.SyntaxChecker;
25  
26  
27  /**
28   * A SyntaxChecker which verifies that a value is a certificate pair according to RFC 4523 :
29   * 
30   * <pre>
31   * "Due to changes made to the definition of a CertificatePair through time,
32   *  no LDAP-specific encoding is defined for this syntax.  Values of this
33   *  syntax SHOULD be encoded using Distinguished Encoding Rules (DER)
34   *  [X.690] and MUST only be transferred using the ;binary transfer
35   *  option"
36   *  </pre>
37   * 
38   * It has been removed in RFC 4517
39   *  
40   * @author <a href="mailto:dev@directory.apache.org">Apache Directory Project</a>
41   */
42  @SuppressWarnings("serial")
43  public final class CertificatePairSyntaxChecker extends SyntaxChecker
44  {
45      /**
46       * A static instance of CertificatePairSyntaxChecker
47       */
48      public static final CertificatePairSyntaxChecker INSTANCE = new CertificatePairSyntaxChecker(
49          SchemaConstants.CERTIFICATE_PAIR_SYNTAX );
50      
51      /**
52       * A static Builder for this class
53       */
54      public static final class Builder extends SCBuilder<CertificatePairSyntaxChecker>
55      {
56          /**
57           * The Builder constructor
58           */
59          private Builder()
60          {
61              super( SchemaConstants.CERTIFICATE_PAIR_SYNTAX );
62          }
63          
64          
65          /**
66           * Create a new instance of CertificatePairSyntaxChecker
67           * @return A new instance of CertificatePairSyntaxChecker
68           */
69          @Override
70          public CertificatePairSyntaxChecker build()
71          {
72              return new CertificatePairSyntaxChecker( oid );
73          }
74      }
75  
76      
77      /**
78       * Creates a new instance of CertificatePairSyntaxChecker.
79       * 
80       * @param oid The OID to use for this SyntaxChecker
81       */
82      private CertificatePairSyntaxChecker( String oid )
83      {
84          super( oid );
85      }
86  
87      
88      /**
89       * @return An instance of the Builder for this class
90       */
91      public static Builder builder()
92      {
93          return new Builder();
94      }
95  }