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Java > Open Source Codes > com > maverick > crypto > asn1 > DERConstructedSequence


1 /*
2  * SSL-Explorer
3  *
4  * Copyright (C) 2003-2006 3SP LTD. All Rights Reserved
5  *
6  * This program is free software; you can redistribute it and/or
7  * modify it under the terms of the GNU General Public License
8  * as published by the Free Software Foundation; either version 2 of
9  * the License, or (at your option) any later version.
10  * This program is distributed in the hope that it will be useful,
11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13  * GNU General Public License for more details.
14  *
15  * You should have received a copy of the GNU General Public
16  * License along with this program; if not, write to the Free Software
17  * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
18  */
19             
20 package com.maverick.crypto.asn1;
21
22 import java.io.ByteArrayOutputStream JavaDoc;
23 import java.io.IOException JavaDoc;
24 import java.util.Enumeration JavaDoc;
25
26 /**
27  * @deprecated use DERSequence.
28  */
29 public class DERConstructedSequence
30     extends ASN1Sequence
31 {
32     public void addObject(
33         DEREncodable obj)
34     {
35         super.addObject(obj);
36     }
37
38     public int getSize()
39     {
40         return size();
41     }
42
43     /*
44      * A note on the implementation:
45      * <p>
46      * As DER requires the constructed, definite-length model to
47      * be used for structured types, this varies slightly from the
48      * ASN.1 descriptions given. Rather than just outputing SEQUENCE,
49      * we also have to specify CONSTRUCTED, and the objects length.
50      */
51     void encode(
52         DEROutputStream out)
53         throws IOException JavaDoc
54     {
55         ByteArrayOutputStream JavaDoc bOut = new ByteArrayOutputStream JavaDoc();
56         DEROutputStream dOut = new DEROutputStream(bOut);
57         Enumeration JavaDoc e = this.getObjects();
58
59         while (e.hasMoreElements())
60         {
61             Object JavaDoc obj = e.nextElement();
62
63             dOut.writeObject(obj);
64         }
65
66         dOut.close();
67
68         byte[] bytes = bOut.toByteArray();
69
70         out.writeEncoded(SEQUENCE | CONSTRUCTED, bytes);
71     }
72 }
73
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