blob: e75ee7abf65f132129954d16bc603be5fa0c99ee (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
|
// Copyright (c) Microsoft Corporation. All rights reserved. See License.txt in the project root for license information.
using System.Collections.Generic;
using System.Globalization;
namespace System.Web.Mvc
{
public class DictionaryValueProvider<TValue> : IValueProvider, IEnumerableValueProvider
{
private readonly Lazy<PrefixContainer> _prefixContainer;
private readonly Dictionary<string, ValueProviderResult> _values = new Dictionary<string, ValueProviderResult>(StringComparer.OrdinalIgnoreCase);
public DictionaryValueProvider(IDictionary<string, TValue> dictionary, CultureInfo culture)
{
if (dictionary == null)
{
throw new ArgumentNullException("dictionary");
}
foreach (KeyValuePair<string, TValue> entry in dictionary)
{
object rawValue = entry.Value;
string attemptedValue = Convert.ToString(rawValue, culture);
_values[entry.Key] = new ValueProviderResult(rawValue, attemptedValue, culture);
}
_prefixContainer = new Lazy<PrefixContainer>(() => new PrefixContainer(_values.Keys), isThreadSafe: true);
}
public virtual bool ContainsPrefix(string prefix)
{
return _prefixContainer.Value.ContainsPrefix(prefix);
}
public virtual ValueProviderResult GetValue(string key)
{
if (key == null)
{
throw new ArgumentNullException("key");
}
ValueProviderResult valueProviderResult;
_values.TryGetValue(key, out valueProviderResult);
return valueProviderResult;
}
public virtual IDictionary<string, string> GetKeysFromPrefix(string prefix)
{
return _prefixContainer.Value.GetKeysFromPrefix(prefix);
}
}
}
|