BERSequence


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.IOException  ;
23  import java.util.Enumeration  ;
24  
25  public class BERSequence
26      extends DERSequence
27  {
28      /**
29       * create an empty sequence
30       */
31      public BERSequence()
32      {
33      }
34  
35      /**
36       * create a sequence containing one object
37       */
38      public BERSequence(
39          DEREncodable    obj)
40      {
41          super(obj);
42      }
43  
44      /**
45       * create a sequence containing a vector of objects.
46       */
47      public BERSequence(
48          DEREncodableVector   v)
49      {
50          super(v);
51      }
52  
53      /*
54       */
55      void encode(
56          DEROutputStream out)
57          throws IOException  
58      {
59          if (out instanceof ASN1OutputStream || out instanceof BEROutputStream)
60          {
61              out.write(SEQUENCE | CONSTRUCTED);
62              out.write(0x80);
63  
64              Enumeration   e = getObjects();
65              while (e.hasMoreElements())
66              {
67                  out.writeObject(e.nextElement());
68              }
69  
70              out.write(0x00);
71              out.write(0x00);
72          }
73          else
74          {
75              super.encode(out);
76          }
77      }
78  }
79
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