BERSequence


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  package org.apache.geronimo.util.asn1;
19  
20  import java.io.IOException  ;
21  import java.util.Enumeration  ;
22  
23  public class BERSequence
24      extends DERSequence
25  {
26      /**
27       * create an empty sequence
28       */
29      public BERSequence()
30      {
31      }
32  
33      /**
34       * create a sequence containing one object
35       */
36      public BERSequence(
37          DEREncodable    obj)
38      {
39          super(obj);
40      }
41  
42      /**
43       * create a sequence containing a vector of objects.
44       */
45      public BERSequence(
46          DEREncodableVector   v)
47      {
48          super(v);
49      }
50  
51      /*
52       */
53      void encode(
54          DEROutputStream out)
55          throws IOException  
56      {
57          if (out instanceof ASN1OutputStream || out instanceof BEROutputStream)
58          {
59              out.write(SEQUENCE | CONSTRUCTED);
60              out.write(0x80);
61  
62              Enumeration   e = getObjects();
63              while (e.hasMoreElements())
64              {
65                  out.writeObject(e.nextElement());
66              }
67  
68              out.write(0x00);
69              out.write(0x00);
70          }
71          else
72          {
73              super.encode(out);
74          }
75      }
76  }
77
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