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
26package sun.security.x509;
27
28import java.io.IOException;
29import sun.security.util.*;
30
31
32/**
33 * Represent the CertificatePolicyId ASN.1 object.
34 *
35 * @author Amit Kapoor
36 * @author Hemma Prafullchandra
37 */
38public 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}
111