class/System.Security/System.Security.Cryptography/CryptographicAttributeCollection.cs

   1 //
   2 // System.Security.Cryptography.CryptographicAttributeObjectCollection class
   3 //
   4 // Author:
   5 //      Sebastien Pouliot  <sebastien@ximian.com>
   6 //
   7 // (C) 2003 Motus Technologies Inc. (http://www.motus.com)
   8 // Copyright (C) 2004-2005 Novell, Inc (http://www.novell.com)
   9 //
  10 // Permission is hereby granted, free of charge, to any person obtaining
  11 // a copy of this software and associated documentation files (the
  12 // "Software"), to deal in the Software without restriction, including
  13 // without limitation the rights to use, copy, modify, merge, publish,
  14 // distribute, sublicense, and/or sell copies of the Software, and to
  15 // permit persons to whom the Software is furnished to do so, subject to
  16 // the following conditions:
  17 //
  18 // The above copyright notice and this permission notice shall be
  19 // included in all copies or substantial portions of the Software.
  20 //
  21 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
  22 // EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  23 // MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
  24 // NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
  25 // LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
  26 // OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
  27 // WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  28 //
  29
  30 #if NET_2_0 && SECURITY_DEP
  31
  32 using System.Collections;
  33
  34 namespace System.Security.Cryptography {
  35
  36         public sealed class CryptographicAttributeObjectCollection : ICollection, IEnumerable {
  37
  38                 private ArrayList _list;
  39
  40                 public CryptographicAttributeObjectCollection ()
  41                 {
  42                         _list = new ArrayList ();
  43                 }
  44
  45                 public CryptographicAttributeObjectCollection (CryptographicAttributeObject attribute)
  46                         : this ()
  47                 {
  48                         _list.Add (attribute);
  49                 }
  50
  51                 // properties
  52
  53                 public int Count {
  54                         get { return _list.Count; }
  55                 }
  56
  57                 public bool IsSynchronized {
  58                         get { return _list.IsSynchronized; }
  59                 }
  60
  61                 public CryptographicAttributeObject this [int index] {
  62                         get { return (CryptographicAttributeObject) _list [index]; }
  63                 }
  64
  65                 public object SyncRoot {
  66                         get { return this; }
  67                 }
  68
  69                 // methods
  70
  71                 public int Add (AsnEncodedData asnEncodedData)
  72                 {
  73                         if (asnEncodedData == null)
  74                                 throw new ArgumentNullException ("asnEncodedData");
  75
  76                         AsnEncodedDataCollection coll = new AsnEncodedDataCollection (asnEncodedData);
  77                         return Add (new CryptographicAttributeObject (asnEncodedData.Oid, coll));
  78                 }
  79
  80                 public int Add (CryptographicAttributeObject attribute)
  81                 {
  82                         if (attribute == null)
  83                                 throw new ArgumentNullException ("attribute");
  84
  85                         int existing = -1;
  86                         string oid = attribute.Oid.Value;
  87                         for (int i=0; i < _list.Count; i++) {
  88                                 if ((_list[i] as CryptographicAttributeObject).Oid.Value == oid) {
  89                                         existing = i;
  90                                         break;
  91                                 }
  92                         }
  93                         if (existing >= 0) {
  94                                 CryptographicAttributeObject cao = this[existing];
  95                                 foreach (AsnEncodedData value in attribute.Values) {
  96                                         cao.Values.Add (value);
  97                                 }
  98                                 return existing;
  99                         } else {
 100                                 return _list.Add (attribute);
 101                         }
 102                 }
 103
 104                 public void CopyTo (CryptographicAttributeObject[] array, int index)
 105                 {
 106                         _list.CopyTo (array, index);
 107                 }
 108
 109                 void ICollection.CopyTo (Array array, int index)
 110                 {
 111                         _list.CopyTo (array, index);
 112                 }
 113
 114                 public CryptographicAttributeObjectEnumerator GetEnumerator ()
 115                 {
 116                         return new CryptographicAttributeObjectEnumerator (_list);
 117                 }
 118
 119                 IEnumerator IEnumerable.GetEnumerator ()
 120                 {
 121                         return new CryptographicAttributeObjectEnumerator (_list);
 122                 }
 123
 124                 public void Remove (CryptographicAttributeObject attribute)
 125                 {
 126                         if (attribute == null)
 127                                 throw new ArgumentNullException ("attribute");
 128
 129                         _list.Remove (attribute);
 130                 }
 131         }
 132 }
 133
 134 #endif