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 using System;
  32
  33 namespace System.Configuration
  34 {
  35         [ConfigurationCollection (typeof (ConnectionStringSettings),
  36                                   CollectionType = ConfigurationElementCollectionType.AddRemoveClearMap)]
  37         public sealed class ConnectionStringSettingsCollection : ConfigurationElementCollection
  38         {
  39
  40                 public ConnectionStringSettingsCollection () : base ()
  41                 {
  42                 }
  43
  44                 public new ConnectionStringSettings this [string Name]
  45                 {
  46                         get {
  47                                 foreach (ConfigurationElement c in this) {
  48                                         if (!(c is ConnectionStringSettings))
  49                                                 continue;
  50                                         if (string.Compare(((ConnectionStringSettings) c).Name, Name, true,
  51                                                 System.Globalization.CultureInfo.InvariantCulture) == 0)
  52                                                 return c as ConnectionStringSettings;
  53
  54                                 }
  55                                 return null;
  56                         }
  57                 }
  58
  59                 public ConnectionStringSettings this [int index]
  60                 {
  61                         get { return (ConnectionStringSettings) BaseGet (index); }
  62                         set {
  63                                 if (BaseGet (index) != null)
  64                                         BaseRemoveAt (index);
  65                                 BaseAdd (index, value);
  66                         }
  67                 }
  68
  69                 [MonoTODO]
  70                 protected internal override ConfigurationPropertyCollection Properties {
  71                         get { return base.Properties; }
  72                 }
  73
  74
  75                 protected override ConfigurationElement CreateNewElement ()
  76                 {
  77                         return new ConnectionStringSettings ();
  78                 }
  79
  80                 protected override object GetElementKey (ConfigurationElement element)
  81                 {
  82                         return ((ConnectionStringSettings) element).Name;
  83                 }
  84
  85                 public void Add (ConnectionStringSettings settings)
  86                 {
  87                         BaseAdd ((ConfigurationElement) settings);
  88                 }
  89
  90                 public void Clear ()
  91                 {
  92                         BaseClear ();
  93                 }
  94
  95                 public int IndexOf (ConnectionStringSettings settings)
  96                 {
  97                         return BaseIndexOf (settings);
  98                 }
  99
 100                 public void Remove (ConnectionStringSettings settings)
 101                 {
 102                         BaseRemove (settings.Name);
 103                 }
 104
 105                 public void Remove (string name)
 106                 {
 107                         BaseRemove (name);
 108                 }
 109
 110                 public void RemoveAt (int index)
 111                 {
 112                         BaseRemoveAt (index);
 113                 }
 114
 115                 protected override void BaseAdd (int index, ConfigurationElement element)
 116                 {
 117                         if (!(element is ConnectionStringSettings))
 118                                 base.BaseAdd (element);
 119                         if (IndexOf ((ConnectionStringSettings) element) >= 0)
 120                                 throw new ConfigurationErrorsException (String.Format ("The element {0} already exist!",
 121                                                                                  ((ConnectionStringSettings) element).Name));
 122                         this [index] = (ConnectionStringSettings) element;
 123                 }
 124         }
 125
 126 }
 127