117 lines
4.1 KiB
C#
117 lines
4.1 KiB
C#
//------------------------------------------------------------------------------
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// <copyright file="ProviderCollection.cs" company="Microsoft">
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// Copyright (c) Microsoft Corporation. All rights reserved.
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// </copyright>
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//------------------------------------------------------------------------------
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namespace System.Configuration.Provider {
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using System.Collections;
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using System.Collections.Specialized;
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using System.Runtime.Serialization;
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/// <devdoc>
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/// <para>[To be supplied.]</para>
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/// </devdoc>
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public class ProviderCollection : IEnumerable, ICollection //, ICloneable
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{
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private Hashtable _Hashtable = null;
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private bool _ReadOnly = false;
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////////////////////////////////////////////////////////////
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////////////////////////////////////////////////////////////
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public ProviderCollection()
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{
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_Hashtable = new Hashtable(10, StringComparer.OrdinalIgnoreCase);
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}
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////////////////////////////////////////////////////////////
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////////////////////////////////////////////////////////////
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public virtual void Add(ProviderBase provider)
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{
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if (_ReadOnly)
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throw new NotSupportedException(SR.GetString(SR.CollectionReadOnly));
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if (provider == null)
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throw new ArgumentNullException("provider");
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if (provider.Name == null || provider.Name.Length < 1)
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throw new ArgumentException(SR.GetString(SR.Config_provider_name_null_or_empty));
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_Hashtable.Add(provider.Name, provider);
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}
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////////////////////////////////////////////////////////////
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////////////////////////////////////////////////////////////
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public void Remove(string name)
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{
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if (_ReadOnly)
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throw new NotSupportedException(SR.GetString(SR.CollectionReadOnly));
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_Hashtable.Remove(name);
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}
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////////////////////////////////////////////////////////////
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////////////////////////////////////////////////////////////
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public ProviderBase this[string name]
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{
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get {
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return _Hashtable[name] as ProviderBase;
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}
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}
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////////////////////////////////////////////////////////////
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////////////////////////////////////////////////////////////
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public IEnumerator GetEnumerator()
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{
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return _Hashtable.Values.GetEnumerator();
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}
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//public object Clone(){
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// return new ProviderCollection(_Indices, _Values);
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//}
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////////////////////////////////////////////////////////////
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////////////////////////////////////////////////////////////
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public void SetReadOnly()
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{
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if (_ReadOnly)
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return;
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_ReadOnly = true;
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}
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////////////////////////////////////////////////////////////
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////////////////////////////////////////////////////////////
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public void Clear()
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{
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if (_ReadOnly)
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throw new NotSupportedException(SR.GetString(SR.CollectionReadOnly));
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_Hashtable.Clear();
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}
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////////////////////////////////////////////////////////////
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////////////////////////////////////////////////////////////
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// ICollection interface
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public int Count { get { return _Hashtable.Count; }}
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public bool IsSynchronized { get { return false; } }
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public object SyncRoot { get { return this; } }
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public void CopyTo(ProviderBase[] array, int index)
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{
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((ICollection) this).CopyTo(array, index);
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}
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void ICollection.CopyTo(Array array, int index)
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{
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_Hashtable.Values.CopyTo(array, index);
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}
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#if UNUSED_CODE
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/////////////////////////////////////////////////////////////////////////////
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/////////////////////////////////////////////////////////////////////////////
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private ProviderCollection(Hashtable h)
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{
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_Hashtable = (Hashtable)h.Clone();
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}
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#endif
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}
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}
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