ReasonFlags.java revision f33eae7e84eb6d3b0f4e86b59605bb3de73009f3 
1/*
2 *  Licensed to the Apache Software Foundation (ASF) under one or more
3 *  contributor license agreements.  See the NOTICE file distributed with
4 *  this work for additional information regarding copyright ownership.
5 *  The ASF licenses this file to You under the Apache License, Version 2.0
6 *  (the "License"); you may not use this file except in compliance with
7 *  the License.  You may obtain a copy of the License at
8 *
9 *     http://www.apache.org/licenses/LICENSE-2.0
10 *
11 *  Unless required by applicable law or agreed to in writing, software
12 *  distributed under the License is distributed on an "AS IS" BASIS,
13 *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14 *  See the License for the specific language governing permissions and
15 *  limitations under the License.
16 */
17
18/**
19* @author Alexander Y. Kleymenov
20* @version $Revision$
21*/
22
23package org.apache.harmony.security.x509;
24
25import java.io.IOException;
26
27import org.apache.harmony.security.asn1.ASN1BitString;
28import org.apache.harmony.security.asn1.BerInputStream;
29import org.apache.harmony.security.asn1.BerOutputStream;
30
31/**
32 * The class encapsulates the ASN.1 DER encoding/decoding work
33 * with the following part of X.509 CRL
34 * (as specified in RFC 3280 -
35 *  Internet X.509 Public Key Infrastructure.
36 *  Certificate and Certificate Revocation List (CRL) Profile.
37 *  http://www.ietf.org/rfc/rfc3280.txt):
38 *
39 * <pre>
40 *  ReasonFlags ::= BIT STRING {
41 *        unused                  (0),
42 *        keyCompromise           (1),
43 *        cACompromise            (2),
44 *        affiliationChanged      (3),
45 *        superseded              (4),
46 *        cessationOfOperation    (5),
47 *        certificateHold         (6),
48 *        privilegeWithdrawn      (7),
49 *        aACompromise            (8)
50 *  }
51 *  </pre>
52 */
53public class ReasonFlags {
54
55    /**
56     * The names of the reasons.
57     */
58    static final String[] REASONS = {
59        "unused",
60        "keyCompromise",
61        "cACompromise",
62        "affiliationChanged",
63        "superseded",
64        "cessationOfOperation",
65        "certificateHold",
66        "privilegeWithdrawn",
67        "aACompromise"
68    };
69
70    // the value of extension
71    private boolean[] flags;
72
73    /**
74     * Creates the extension object corresponding to the given flags.
75     */
76    public ReasonFlags(boolean[] flags) {
77        this.flags = flags;
78    }
79
80    /**
81     * Places the string representation of extension value
82     * into the StringBuffer object.
83     */
84    public void dumpValue(StringBuffer buffer, String prefix) {
85        buffer.append(prefix);
86        buffer.append("ReasonFlags [\n");
87        for (int i=0; i<flags.length; i++) {
88            if (flags[i]) {
89                buffer.append(prefix).append("  ")
90                    .append(REASONS[i]).append('\n');
91            }
92        }
93        buffer.append(prefix);
94        buffer.append("]\n");
95    }
96
97    /**
98     * ASN.1 Encoder/Decoder.
99     */
100    public static final ASN1BitString ASN1 =
101                            new ASN1BitString.ASN1NamedBitList(REASONS.length) {
102        public Object getDecodedObject(BerInputStream in) throws IOException {
103            return new ReasonFlags((boolean[]) super.getDecodedObject(in));
104        }
105
106        public void setEncodingContent(BerOutputStream out) {
107            out.content = ((ReasonFlags) out.content).flags;
108            super.setEncodingContent(out);
109        }
110    };
111}
112
113