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
53
54
55
56
57
58
59
60
61
62
63
|
/* ****************************************************************************
*
* Copyright (c) Microsoft Corporation. All rights reserved.
*
* This software is subject to the Microsoft Public License (Ms-PL).
* A copy of the license can be found in the license.htm file included
* in this distribution.
*
* You must not remove this notice, or any other, from this software.
*
* ***************************************************************************/
namespace System.Web.Mvc {
using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.ComponentModel.DataAnnotations;
using System.Globalization;
using System.Linq;
using System.Web.Mvc.Resources;
public abstract class AssociatedValidatorProvider : ModelValidatorProvider {
protected virtual ICustomTypeDescriptor GetTypeDescriptor(Type type) {
return TypeDescriptorHelper.Get(type);
}
public override sealed IEnumerable<ModelValidator> GetValidators(ModelMetadata metadata, ControllerContext context) {
if (metadata == null) {
throw new ArgumentNullException("metadata");
}
if (context == null) {
throw new ArgumentNullException("context");
}
if (metadata.ContainerType != null && !String.IsNullOrEmpty(metadata.PropertyName)) {
return GetValidatorsForProperty(metadata, context);
}
return GetValidatorsForType(metadata, context);
}
protected abstract IEnumerable<ModelValidator> GetValidators(ModelMetadata metadata, ControllerContext context, IEnumerable<Attribute> attributes);
private IEnumerable<ModelValidator> GetValidatorsForProperty(ModelMetadata metadata, ControllerContext context) {
ICustomTypeDescriptor typeDescriptor = GetTypeDescriptor(metadata.ContainerType);
PropertyDescriptor property = typeDescriptor.GetProperties().Find(metadata.PropertyName, true);
if (property == null) {
throw new ArgumentException(
String.Format(
CultureInfo.CurrentCulture,
MvcResources.Common_PropertyNotFound,
metadata.ContainerType.FullName, metadata.PropertyName),
"metadata");
}
return GetValidators(metadata, context, property.Attributes.OfType<Attribute>());
}
private IEnumerable<ModelValidator> GetValidatorsForType(ModelMetadata metadata, ControllerContext context) {
return GetValidators(metadata, context, GetTypeDescriptor(metadata.ModelType).GetAttributes().Cast<Attribute>());
}
}
}
|
