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
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
|
// Copyright (c) Microsoft Open Technologies, Inc. All rights reserved. See License.txt in the project root for license information.
using System.Collections.Generic;
using System.Diagnostics.Contracts;
using System.Globalization;
using System.Linq;
using System.Reflection;
using System.Web.Http.OData.Formatter;
using System.Web.Http.OData.Formatter.Serialization;
using System.Web.Http.OData.Properties;
using Microsoft.Data.OData.Query;
namespace System.Web.Http.OData.Builder.Conventions
{
internal static class ConventionsHelpers
{
public static string GetEntityKeyValue(EntityInstanceContext entityContext, IEntityTypeConfiguration entityTypeConfiguration)
{
// TODO: BUG 453795: reflection cleanup
if (entityTypeConfiguration.Keys().Count() == 1)
{
return GetUriRepresentationForKeyValue(entityTypeConfiguration.Keys().First().PropertyInfo, entityContext.EntityInstance, entityTypeConfiguration);
}
else
{
return String.Join(
",",
entityTypeConfiguration
.Keys()
.Select(
key => String.Format(CultureInfo.InvariantCulture, "{0}={1}", key.Name, GetUriRepresentationForKeyValue(key.PropertyInfo, entityContext.EntityInstance, entityTypeConfiguration))));
}
}
// Get properties of this entity type that are not already declared in the base entity type and are not already ignored.
public static IEnumerable<PropertyInfo> GetProperties(IEntityTypeConfiguration entity)
{
IEnumerable<PropertyInfo> allProperties = GetAllProperties(entity as IStructuralTypeConfiguration);
if (entity.BaseType != null)
{
IEnumerable<PropertyInfo> baseTypeProperties = GetAllProperties(entity.BaseType as IStructuralTypeConfiguration);
return allProperties.Except(baseTypeProperties, PropertyEqualityComparer.Instance);
}
else
{
return allProperties;
}
}
// Get all properties of this type (that are not already ignored).
public static IEnumerable<PropertyInfo> GetAllProperties(IStructuralTypeConfiguration type)
{
if (type == null)
{
throw Error.ArgumentNull("type");
}
return type
.ClrType
.GetProperties(BindingFlags.Public | BindingFlags.NonPublic | BindingFlags.Instance)
.Where(p => p.IsValidStructuralProperty() && !type.IgnoredProperties.Contains(p))
.ToArray();
}
public static bool IsValidStructuralProperty(this PropertyInfo propertyInfo)
{
if (propertyInfo == null)
{
throw Error.ArgumentNull("propertyInfo");
}
// ignore any indexer properties.
if (propertyInfo.GetIndexParameters().Any())
{
return false;
}
if (propertyInfo.CanRead)
{
// non-public getters are not valid properties
MethodInfo publicGetter = propertyInfo.GetGetMethod();
if (publicGetter != null && propertyInfo.PropertyType.IsValidStructuralPropertyType())
{
return true;
}
}
return false;
}
public static bool IsValidStructuralPropertyType(this Type type)
{
if (type == null)
{
throw Error.ArgumentNull("type");
}
Type elementType;
return !(type.IsGenericTypeDefinition
|| type.IsNested
|| type.IsPointer
|| type == typeof(object)
|| (type.IsCollection(out elementType) && elementType == typeof(object)));
}
// gets the primitive odata uri representation.
public static string GetUriRepresentationForValue(object value)
{
Contract.Assert(value != null);
Contract.Assert(EdmLibHelpers.GetEdmPrimitiveTypeOrNull(value.GetType()) != null);
value = ODataPrimitiveSerializer.ConvertUnsupportedPrimitives(value);
return ODataUriBuilder.GetUriRepresentation(value);
}
private static string GetUriRepresentationForKeyValue(PropertyInfo key, object entityInstance, IEntityTypeConfiguration entityType)
{
Contract.Assert(key != null);
Contract.Assert(entityInstance != null);
Contract.Assert(entityType != null);
object value = key.GetValue(entityInstance, null);
if (value == null)
{
throw Error.InvalidOperation(SRResources.KeyValueCannotBeNull, key.Name, entityType.FullName);
}
return GetUriRepresentationForValue(value);
}
private class PropertyEqualityComparer : IEqualityComparer<PropertyInfo>
{
public static PropertyEqualityComparer Instance = new PropertyEqualityComparer();
public bool Equals(PropertyInfo x, PropertyInfo y)
{
Contract.Assert(x != null);
Contract.Assert(y != null);
return x.Name == y.Name;
}
public int GetHashCode(PropertyInfo obj)
{
Contract.Assert(obj != null);
return obj.Name.GetHashCode();
}
}
}
}
|
