Mercurial > pub > bltoolkit
comparison Source/Validation/ValidatorBaseAttribute.cs @ 0:f990fcb411a9
Копия текущей версии из github
author | cin |
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date | Thu, 27 Mar 2014 21:46:09 +0400 |
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-1:000000000000 | 0:f990fcb411a9 |
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1 using System; | |
2 using System.Reflection; | |
3 using System.ComponentModel; | |
4 | |
5 namespace BLToolkit.Validation | |
6 { | |
7 public abstract class ValidatorBaseAttribute : Attribute | |
8 { | |
9 protected ValidatorBaseAttribute() | |
10 { | |
11 } | |
12 | |
13 protected ValidatorBaseAttribute(string errorMessage) | |
14 { | |
15 _errorMessage = errorMessage; | |
16 } | |
17 | |
18 private string _errorMessage; | |
19 public virtual string ErrorMessage | |
20 { | |
21 get { return _errorMessage; } | |
22 set { _errorMessage = value; } | |
23 } | |
24 | |
25 public abstract bool IsValid(ValidationContext context); | |
26 | |
27 public virtual string GetErrorMessage(ValidationContext context) | |
28 { | |
29 return string.Format(ErrorMessage, GetPropertyFriendlyName(context)); | |
30 } | |
31 | |
32 protected virtual string GetPropertyFriendlyName(ValidationContext context) | |
33 { | |
34 MemberInfo mi = context.MemberInfo; | |
35 string className = mi.DeclaringType.Name; | |
36 string fieldName = mi.Name; | |
37 | |
38 // Get class name. | |
39 // | |
40 object[] attrs = mi.DeclaringType.GetCustomAttributes(typeof(FriendlyNameAttribute), true); | |
41 | |
42 if (attrs.Length > 0) | |
43 className = ((FriendlyNameAttribute)attrs[0]).Name; | |
44 else | |
45 { | |
46 attrs = mi.DeclaringType.GetCustomAttributes(typeof(DisplayNameAttribute), true); | |
47 | |
48 if (attrs.Length > 0) | |
49 className = ((DisplayNameAttribute)attrs[0]).DisplayName; | |
50 } | |
51 | |
52 // Get field name. | |
53 // | |
54 attrs = mi.GetCustomAttributes(typeof(FriendlyNameAttribute), true); | |
55 | |
56 if (attrs.Length > 0) | |
57 fieldName = ((FriendlyNameAttribute)attrs[0]).Name; | |
58 else | |
59 { | |
60 attrs = mi.GetCustomAttributes(typeof(DisplayNameAttribute), true); | |
61 | |
62 if (attrs.Length > 0) | |
63 fieldName = ((DisplayNameAttribute)attrs[0]).DisplayName; | |
64 } | |
65 | |
66 return string.IsNullOrEmpty(className)? fieldName: className + "." + fieldName; | |
67 } | |
68 } | |
69 } |