Components/DictionaryAdapter/Castle.Components.DictionaryAdapter/NameValueCollectionAdapter.cs

   1 // Copyright 2004-2008 Castle Project - http://www.castleproject.org/
   2 //
   3 // Licensed under the Apache License, Version 2.0 (the "License");
   4 // you may not use this file except in compliance with the License.
   5 // You may obtain a copy of the License at
   6 //
   7 //     http://www.apache.org/licenses/LICENSE-2.0
   8 //
   9 // Unless required by applicable law or agreed to in writing, software
  10 // distributed under the License is distributed on an "AS IS" BASIS,
  11 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  12 // See the License for the specific language governing permissions and
  13 // limitations under the License.
  14
  15 namespace Castle.Components.DictionaryAdapter
  16 {
  17         using System;
  18         using System.Collections.Specialized;
  19
  20         /// <summary>
  21         ///
  22         /// </summary>
  23         public class NameValueCollectionAdapter : AbstractDictionaryAdapter
  24         {
  25                 private readonly NameValueCollection nameValues;
  26
  27                 /// <summary>
  28                 /// Initializes a new instance of the <see cref="NameValueCollectionAdapter"/> class.
  29                 /// </summary>
  30                 /// <param name="nameValues">The name values.</param>
  31                 public NameValueCollectionAdapter(NameValueCollection nameValues)
  32                 {
  33                         this.nameValues = nameValues;
  34                 }
  35
  36                 /// <summary>
  37                 /// Gets a value indicating whether the <see cref="T:System.Collections.IDictionary"></see> object is read-only.
  38                 /// </summary>
  39                 /// <value></value>
  40                 /// <returns>true if the <see cref="T:System.Collections.IDictionary"></see> object is read-only; otherwise, false.</returns>
  41                 public override bool IsReadOnly
  42                 {
  43                         get { return false; }
  44                 }
  45
  46                 /// <summary>
  47                 /// Determines whether the <see cref="T:System.Collections.IDictionary"></see> object contains an element with the specified key.
  48                 /// </summary>
  49                 /// <param name="key">The key to locate in the <see cref="T:System.Collections.IDictionary"></see> object.</param>
  50                 /// <returns>
  51                 /// true if the <see cref="T:System.Collections.IDictionary"></see> contains an element with the key; otherwise, false.
  52                 /// </returns>
  53                 /// <exception cref="T:System.ArgumentNullException">key is null. </exception>
  54                 public override bool Contains(object key)
  55                 {
  56                         return Array.IndexOf(nameValues.AllKeys, key) >= 0;
  57                 }
  58
  59                 /// <summary>
  60                 /// Gets or sets the <see cref="System.Object"/> with the specified key.
  61                 /// </summary>
  62                 /// <value></value>
  63                 public override object this[object key]
  64                 {
  65                         get { return nameValues[key.ToString()]; }
  66                         set
  67                         {
  68                                 String val = (value != null) ? value.ToString() : null;
  69                                 nameValues[key.ToString()] = val;
  70                         }
  71                 }
  72
  73                 /// <summary>
  74                 /// Adapts the specified name values.
  75                 /// </summary>
  76                 /// <param name="nameValues">The name values.</param>
  77                 /// <returns></returns>
  78                 public static NameValueCollectionAdapter Adapt(NameValueCollection nameValues)
  79                 {
  80                         return new NameValueCollectionAdapter(nameValues);
  81                 }
  82         }
  83 }