summaryrefslogtreecommitdiffstats
path: root/pki/base/util/src/netscape/security/x509/UserNotice.java
blob: dc2e1d535c0d98aaeb851cadc1aed6247c9dc0f2 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
// --- BEGIN COPYRIGHT BLOCK ---
// This program is free software; you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation; version 2 of the License.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License along
// with this program; if not, write to the Free Software Foundation, Inc.,
// 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
//
// (C) 2007 Red Hat, Inc.
// All rights reserved.
// --- END COPYRIGHT BLOCK ---
package netscape.security.x509;

import java.io.IOException;

import netscape.security.util.DerOutputStream;
import netscape.security.util.DerValue;

/**
 * Represent the UserNotice Qualifier.
 * 
 * UserNotice ::= SEQUENCE {
 * noticeRef NoticeReference OPTIONAL,
 * explicitText DisplayText OPTIONAL
 * }
 * 
 * @author Thomas Kwan
 */
public class UserNotice extends Qualifier {

    /**
     *
     */
    private static final long serialVersionUID = 5770869942793748051L;
    private NoticeReference mNoticeReference = null;
    private DisplayText mDisplayText = null;

    public UserNotice(NoticeReference ref, DisplayText text) {
        mNoticeReference = ref;
        mDisplayText = text;
    }

    public UserNotice(DerValue val) throws IOException {
        if (val.tag != DerValue.tag_Sequence) {
            throw new IOException("Invalid encoding for UserNotice");
        }
        // case 0: no element
        if (val.data.available() == 0)
            return;
        // case 1: 1 element
        DerValue inSeq = val.data.getDerValue();
        if (inSeq.tag == DerValue.tag_Sequence) {
            mNoticeReference = new NoticeReference(inSeq);
        } else {
            mDisplayText = new DisplayText(inSeq);
        }
        if (val.data.available() == 0)
            return;
        // case 2: 2 elements
        mDisplayText = new DisplayText(val.data.getDerValue());
    }

    public NoticeReference getNoticeReference() {
        return mNoticeReference;
    }

    public DisplayText getDisplayText() {
        return mDisplayText;
    }

    /**
     * Write the UserNotice to the DerOutputStream.
     * 
     * @param out the DerOutputStream to write the object to.
     * @exception IOException on errors.
     */
    public void encode(DerOutputStream out) throws IOException {
        DerOutputStream tmp = new DerOutputStream();

        // OPTIONAL
        if (mNoticeReference != null) {
            mNoticeReference.encode(tmp);
        }
        // OPTIONAL
        if (mDisplayText != null) {
            mDisplayText.encode(tmp);
        }
        out.write(DerValue.tag_Sequence, tmp);
    }
}