BERSet


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 BERSet
24      extends DERSet
25  {
26      /**
27       * create an empty sequence
28       */
29      public BERSet()
30      {
31      }
32  
33      /**
34       * create a set containing one object
35       */
36      public BERSet(
37          DEREncodable    obj)
38      {
39          super(obj);
40      }
41  
42      /**
43       * @param v - a vector of objects making up the set.
44       */
45      public BERSet(
46          DEREncodableVector   v)
47      {
48          super(v, true);
49      }
50  
51      /**
52       * @param v - a vector of objects making up the set.
53       */
54      BERSet(
55          DEREncodableVector   v,
56          boolean              needsSorting)
57      {
58          super(v, needsSorting);
59      }
60  
61      /*
62       */
63      void encode(
64          DEROutputStream out)
65          throws IOException  
66      {
67          if (out instanceof ASN1OutputStream || out instanceof BEROutputStream)
68          {
69              out.write(SET | CONSTRUCTED);
70              out.write(0x80);
71  
72              Enumeration   e = getObjects();
73              while (e.hasMoreElements())
74              {
75                  out.writeObject(e.nextElement());
76              }
77  
78              out.write(0x00);
79              out.write(0x00);
80          }
81          else
82          {
83              super.encode(out);
84          }
85      }
86  }
87
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