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1   /*
2    * Copyright (c) 1997, 2011, Oracle and/or its affiliates. All rights reserved.
3    * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4    *
5    * This code is free software; you can redistribute it and/or modify it
6    * under the terms of the GNU General Public License version 2 only, as
7    * published by the Free Software Foundation.  Oracle designates this
8    * particular file as subject to the "Classpath" exception as provided
9    * by Oracle in the LICENSE file that accompanied this code.
10   *
11   * This code is distributed in the hope that it will be useful, but WITHOUT
12   * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
13   * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
14   * version 2 for more details (a copy is included in the LICENSE file that
15   * accompanied this code).
16   *
17   * You should have received a copy of the GNU General Public License version
18   * 2 along with this work; if not, write to the Free Software Foundation,
19   * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
20   *
21   * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
22   * or visit www.oracle.com if you need additional information or have any
23   * questions.
24   */
25  
26  package sun.security.x509;
27  
28  import java.io.IOException;
29  import sun.security.util.*;
30  
31  
32  /**
33   * Represent the CertificatePolicyId ASN.1 object.
34   *
35   * @author Amit Kapoor
36   * @author Hemma Prafullchandra
37   */
38  public class CertificatePolicyId {
39      private ObjectIdentifier id;
40  
41      /**
42       * Create a CertificatePolicyId with the ObjectIdentifier.
43       *
44       * @param id the ObjectIdentifier for the policy id.
45       */
46      public CertificatePolicyId(ObjectIdentifier id) {
47          this.id = id;
48      }
49  
50      /**
51       * Create the object from its Der encoded value.
52       *
53       * @param val the DER encoded value for the same.
54       */
55      public CertificatePolicyId(DerValue val) throws IOException {
56          this.id = val.getOID();
57      }
58  
59      /**
60       * Return the value of the CertificatePolicyId as an ObjectIdentifier.
61       */
62      public ObjectIdentifier getIdentifier() {
63          return (id);
64      }
65  
66      /**
67       * Returns a printable representation of the CertificatePolicyId.
68       */
69      public String toString() {
70          String s = "CertificatePolicyId: ["
71                   + id.toString()
72                   + "]\n";
73  
74          return (s);
75      }
76  
77      /**
78       * Write the CertificatePolicyId to the DerOutputStream.
79       *
80       * @param out the DerOutputStream to write the object to.
81       * @exception IOException on errors.
82       */
83      public void encode(DerOutputStream out) throws IOException {
84          out.putOID(id);
85      }
86  
87      /**
88       * Compares this CertificatePolicyId with another, for
89       * equality. Uses ObjectIdentifier.equals() as test for
90       * equality.
91       *
92       * @return true iff the ids are identical.
93       */
94      public boolean equals(Object other) {
95          if (other instanceof CertificatePolicyId)
96              return id.equals((Object)
97                      ((CertificatePolicyId) other).getIdentifier());
98          else
99              return false;
100     }
101 
102     /**
103      * Returns a hash code value for this object.
104      *
105      * @return a hash code value
106      */
107     public int hashCode() {
108       return id.hashCode();
109     }
110 }