|
0
|
1 using System;
|
|
|
2
|
|
|
3 namespace BLToolkit.Reflection.Extension
|
|
|
4 {
|
|
|
5 public class AttributeExtension
|
|
|
6 {
|
|
|
7 public AttributeExtension()
|
|
|
8 {
|
|
|
9 Values = new ValueCollection();
|
|
|
10 }
|
|
|
11
|
|
|
12 private AttributeExtension(ValueCollection values)
|
|
|
13 {
|
|
|
14 Values = values;
|
|
|
15 }
|
|
|
16
|
|
|
17 public string Name { get; set; }
|
|
|
18 public ValueCollection Values { get; private set; }
|
|
|
19
|
|
|
20 public object Value
|
|
|
21 {
|
|
|
22 get { return this == _null? null: Values.Value; }
|
|
|
23 }
|
|
|
24
|
|
|
25 public object this[string valueName]
|
|
|
26 {
|
|
|
27 get { return this == _null? null: Values[valueName]; }
|
|
|
28 }
|
|
|
29
|
|
|
30 public object this[string valueName, object defaultValue]
|
|
|
31 {
|
|
|
32 get { return this[valueName] ?? defaultValue; }
|
|
|
33 }
|
|
|
34
|
|
|
35 private AttributeNameCollection _attributes;
|
|
|
36 public AttributeNameCollection Attributes
|
|
|
37 {
|
|
|
38 get { return _attributes ?? (_attributes = new AttributeNameCollection()); }
|
|
|
39 }
|
|
|
40
|
|
|
41 private static readonly AttributeExtension _null = new AttributeExtension(ValueCollection.Null);
|
|
|
42 public static AttributeExtension Null
|
|
|
43 {
|
|
|
44 get { return _null; }
|
|
|
45 }
|
|
|
46 }
|
|
|
47 }
|
