mcs/class/System.Configuration/System.Configuration/ConnectionStringSettingsCollection.cs

   1 //
   2 // System.Configuration.ConnectionStringSettingsCollection.cs
   3 //
   4 // Authors:
   5 //   Sureshkumar T <tsureshkumar@novell.com>
   6 //   Chris Toshok <toshok@ximian.com>
   7 //
   8 //
   9 // Copyright (C) 2004,2005 Novell, Inc (http://www.novell.com)
  10 //
  11 // Permission is hereby granted, free of charge, to any person obtaining
  12 // a copy of this software and associated documentation files (the
  13 // "Software"), to deal in the Software without restriction, including
  14 // without limitation the rights to use, copy, modify, merge, publish,
  15 // distribute, sublicense, and/or sell copies of the Software, and to
  16 // permit persons to whom the Software is furnished to do so, subject to
  17 // the following conditions:
  18 //
  19 // The above copyright notice and this permission notice shall be
  20 // included in all copies or substantial portions of the Software.
  21 //
  22 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
  23 // EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  24 // MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
  25 // NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
  26 // LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
  27 // OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
  28 // WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  29 //
  30
  31 #if NET_2_0
  32
  33 using System;
  34
  35 namespace System.Configuration
  36 {
  37         [ConfigurationCollection (typeof (ConnectionStringSettings),
  38                                   CollectionType = ConfigurationElementCollectionType.AddRemoveClearMap)]
  39         public sealed class ConnectionStringSettingsCollection : ConfigurationElementCollection
  40         {
  41
  42                 public ConnectionStringSettingsCollection () : base ()
  43                 {
  44                 }
  45
  46                 public new ConnectionStringSettings this [string Name]
  47                 {
  48                         get {
  49                                 foreach (ConfigurationElement c in this) {
  50                                         if (!(c is ConnectionStringSettings))
  51                                                 continue;
  52                                         if (string.Compare(((ConnectionStringSettings) c).Name, Name, true,
  53                                                 System.Globalization.CultureInfo.InvariantCulture) == 0)
  54                                                 return c as ConnectionStringSettings;
  55
  56                                 }
  57                                 return null;
  58                         }
  59                 }
  60
  61                 public new ConnectionStringSettings this [int index]
  62                 {
  63                         get { return (ConnectionStringSettings) BaseGet (index); }
  64                         set {
  65                                 if (BaseGet (index) != null)
  66                                         BaseRemoveAt (index);
  67                                 BaseAdd (index, value);
  68                         }
  69                 }
  70
  71                 [MonoTODO]
  72                 protected internal override ConfigurationPropertyCollection Properties {
  73                         get { return base.Properties; }
  74                 }
  75
  76
  77                 protected override ConfigurationElement CreateNewElement ()
  78                 {
  79                         return new ConnectionStringSettings ();
  80                 }
  81
  82                 protected override object GetElementKey (ConfigurationElement element)
  83                 {
  84                         return ((ConnectionStringSettings) element).Name;
  85                 }
  86
  87                 public void Add (ConnectionStringSettings settings)
  88                 {
  89                         BaseAdd ((ConfigurationElement) settings);
  90                 }
  91
  92                 public void Clear ()
  93                 {
  94                         BaseClear ();
  95                 }
  96
  97                 public int IndexOf (ConnectionStringSettings settings)
  98                 {
  99                         return BaseIndexOf (settings);
 100                 }
 101
 102                 public void Remove (ConnectionStringSettings settings)
 103                 {
 104                         BaseRemove (settings.Name);
 105                 }
 106
 107                 public void Remove (string name)
 108                 {
 109                         BaseRemove (name);
 110                 }
 111
 112                 public void RemoveAt (int index)
 113                 {
 114                         BaseRemoveAt (index);
 115                 }
 116
 117                 protected override void BaseAdd (int index, ConfigurationElement element)
 118                 {
 119                         if (!(element is ConnectionStringSettings))
 120                                 base.BaseAdd (element);
 121                         if (IndexOf ((ConnectionStringSettings) element) >= 0)
 122                                 throw new ConfigurationException (String.Format ("The element {0} already exist!",
 123                                                                                  ((ConnectionStringSettings) element).Name));
 124                         this [index] = (ConnectionStringSettings) element;
 125                 }
 126         }
 127
 128 }
 129 #endif // NET_2_0