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
18package org.apache.harmony.security.x509;
19
20import java.io.IOException;
21import java.util.Date;
22
23import org.apache.harmony.security.asn1.ASN1GeneralizedTime;
24import org.apache.harmony.security.asn1.ASN1Type;
25
26/**
27 * CRL Entry's Invalidity Date Extension (OID = 2.5.29.24).
28 * <pre>
29 *   id-ce-invalidityDate OBJECT IDENTIFIER ::= { id-ce 24 }
30 *
31 *   invalidityDate ::=  GeneralizedTime
32 * </pre>
33 * (as specified in RFC 3280 http://www.ietf.org/rfc/rfc3280.txt)
34 */
35public class InvalidityDate extends ExtensionValue {
36
37    // invalidity date value
38    private final Date date;
39
40    /**
41     * Constructs the object on the base of the invalidity date value.
42     */
43    public InvalidityDate(Date date) {
44        this.date = date;
45    }
46
47    /**
48     * Constructs the object on the base of its encoded form.
49     */
50    public InvalidityDate(byte[] encoding) throws IOException {
51        super(encoding);
52        date = (Date) ASN1.decode(encoding);
53    }
54
55    /**
56     * Returns the invalidity date.
57     */
58    public Date getDate() {
59        return date;
60    }
61
62    /**
63     * Returns ASN.1 encoded form of this X.509 InvalidityDate value.
64     * @return a byte array containing ASN.1 encoded form.
65     */
66    public byte[] getEncoded() {
67        if (encoding == null) {
68            encoding = ASN1.encode(date);
69        }
70        return encoding;
71    }
72
73    /**
74     * Places the string representation of extension value
75     * into the StringBuffer object.
76     */
77    public void dumpValue(StringBuffer buffer, String prefix) {
78        buffer.append(prefix).append("Invalidity Date: [ ") //$NON-NLS-1$
79            .append(date).append(" ]\n"); //$NON-NLS-1$
80    }
81
82    /**
83     * ASN.1 Encoder/Decoder.
84     */
85    public static final ASN1Type ASN1 = ASN1GeneralizedTime.getInstance();
86}
87
88