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1   /*
2    * Copyright [2007] [University Corporation for Advanced Internet Development, Inc.]
3    *
4    * Licensed under the Apache License, Version 2.0 (the "License");
5    * you may not use this file except in compliance with the License.
6    * You may obtain a copy of the License at
7    *
8    * http://www.apache.org/licenses/LICENSE-2.0
9    *
10   * Unless required by applicable law or agreed to in writing, software
11   * distributed under the License is distributed on an "AS IS" BASIS,
12   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13   * See the License for the specific language governing permissions and
14   * limitations under the License.
15   */
16  
17  package org.opensaml.xml.security.x509;
18  
19  import org.opensaml.xml.security.Criteria;
20  
21  /**
22   * An implementation of {@link Criteria} which specifies criteria based on
23   * X.509 certificate subject key identifier.
24   */
25  public final class X509SubjectKeyIdentifierCriteria implements Criteria {
26      
27      /** X.509 certificate subject key identifier. */
28      private byte[] subjectKeyIdentifier;
29      
30      /**
31       * Constructor.
32       *
33       * @param ski certificate subject key identifier
34       */
35      public X509SubjectKeyIdentifierCriteria(byte[] ski) {
36          setSubjectKeyIdentifier(ski);
37      }
38      
39      /**
40       * Get the subject key identifier.
41       * 
42       * @return Returns the subject key identifier
43       */
44      public byte[] getSubjectKeyIdentifier() {
45          return subjectKeyIdentifier;
46      }
47  
48      /**
49       * Set the subject key identifier.
50       * 
51       * @param ski The subject key identifier to set.
52       */
53      public void setSubjectKeyIdentifier(byte[] ski) {
54          if (ski == null || ski.length == 0) {
55              throw new IllegalArgumentException("Subject key identifier criteria value must be non-null and non-empty");
56          }
57          subjectKeyIdentifier = ski;
58      }
59      
60      
61      
62  
63  }