source: code/Website/dot-net-library/written-by-xiao-yifang/OpenFlashChart/JSON/JsonIgnoreAttribute.cs@ 7878

Last change on this file since 7878 was 7849, checked in by dennisw, 16 years ago
File size: 3.1 KB
Line 
1#region License
2/*---------------------------------------------------------------------------------*\
3
4 Distributed under the terms of an MIT-style license:
5
6 The MIT License
7
8 Copyright (c) 2006-2009 Stephen M. McKamey
9
10 Permission is hereby granted, free of charge, to any person obtaining a copy
11 of this software and associated documentation files (the "Software"), to deal
12 in the Software without restriction, including without limitation the rights
13 to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
14 copies of the Software, and to permit persons to whom the Software is
15 furnished to do so, subject to the following conditions:
16
17 The above copyright notice and this permission notice shall be included in
18 all copies or substantial portions of the Software.
19
20 THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
21 IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
22 FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
23 AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
24 LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
25 OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
26 THE SOFTWARE.
27
28\*---------------------------------------------------------------------------------*/
29#endregion License
30
31using System;
32using System.Reflection;
33using System.Xml.Serialization;
34
35namespace JsonFx.Json
36{
37 /// <summary>
38 /// Designates a property or field to not be serialized.
39 /// </summary>
40 [AttributeUsage(AttributeTargets.All, AllowMultiple=false)]
41 public sealed class JsonIgnoreAttribute : Attribute
42 {
43 #region Methods
44
45 /// <summary>
46 /// Gets a value which indicates if should be ignored in Json serialization.
47 /// </summary>
48 /// <param name="value"></param>
49 /// <returns></returns>
50 public static bool IsJsonIgnore(object value)
51 {
52 if (value == null)
53 {
54 return false;
55 }
56
57 Type type = value.GetType();
58
59 ICustomAttributeProvider provider = null;
60 if (type.IsEnum)
61 {
62 provider = type.GetField(Enum.GetName(type, value));
63 }
64 else
65 {
66 provider = value as ICustomAttributeProvider;
67 }
68
69 if (provider == null)
70 {
71 throw new ArgumentException();
72 }
73
74 return provider.IsDefined(typeof(JsonIgnoreAttribute), true);
75 }
76
77 /// <summary>
78 /// Gets a value which indicates if should be ignored in Json serialization.
79 /// </summary>
80 /// <param name="value"></param>
81 /// <returns></returns>
82 public static bool IsXmlIgnore(object value)
83 {
84 if (value == null)
85 {
86 return false;
87 }
88
89 Type type = value.GetType();
90
91 ICustomAttributeProvider provider = null;
92 if (type.IsEnum)
93 {
94 provider = type.GetField(Enum.GetName(type, value));
95 }
96 else
97 {
98 provider = value as ICustomAttributeProvider;
99 }
100
101 if (provider == null)
102 {
103 throw new ArgumentException();
104 }
105
106 return provider.IsDefined(typeof(XmlIgnoreAttribute), true);
107 }
108
109 #endregion Methods
110 }
111}
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