wasSharpNET – Blame information for rev 27
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16 | office | 1 | /////////////////////////////////////////////////////////////////////////// |
2 | // Copyright (C) Wizardry and Steamworks 2013 - License: GNU GPLv3 // |
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3 | // Please see: http://www.gnu.org/licenses/gpl.html for legal details, // |
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4 | // rights of fair usage, the disclaimer and warranty conditions. // |
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5 | /////////////////////////////////////////////////////////////////////////// |
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6 | // Based on: Danilow @ https://stackoverflow.com/questions/23897145/memory-leak-using-streamreader-and-xmlserializer/ |
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7 | |||
8 | using System; |
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9 | using System.Collections.Generic; |
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10 | using System.IO; |
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22 | office | 11 | using System.Linq; |
16 | office | 12 | using System.Threading; |
13 | using System.Xml; |
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14 | using System.Xml.Linq; |
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15 | using System.Xml.Serialization; |
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16 | |||
17 | namespace wasSharpNET.Serialization |
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18 | { |
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19 | public static class XmlSerializerCache |
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20 | { |
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27 | office | 21 | private static readonly ReaderWriterLockSlim SerializerCacheLock = |
22 | new ReaderWriterLockSlim(LockRecursionPolicy.SupportsRecursion); |
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16 | office | 23 | |
27 | office | 24 | private static readonly Dictionary<string, XmlSerializer> SerializerCache = |
25 | new Dictionary<string, XmlSerializer>(); |
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26 | |||
16 | office | 27 | public static XmlSerializer GetSerializer<T>() |
28 | { |
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29 | return GetSerializer<T>(null); |
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30 | } |
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31 | |||
32 | public static XmlSerializer GetSerializer<T>(Type[] ExtraTypes) |
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33 | { |
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34 | return GetSerializer(typeof(T), ExtraTypes); |
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35 | } |
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36 | |||
37 | public static XmlSerializer GetSerializer(Type MainTypeForSerialization) |
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38 | { |
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39 | return GetSerializer(MainTypeForSerialization, null); |
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40 | } |
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41 | |||
42 | public static XmlSerializer GetSerializer(Type MainTypeForSerialization, Type[] ExtraTypes) |
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43 | { |
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22 | office | 44 | var Signature = MainTypeForSerialization.FullName; |
16 | office | 45 | if (ExtraTypes != null) |
27 | office | 46 | Signature = ExtraTypes.Aggregate(Signature, (current, tp) => current + "-" + tp.FullName); |
16 | office | 47 | |
48 | SerializerCacheLock.EnterReadLock(); |
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22 | office | 49 | XmlSerializer XmlEventSerializer; |
16 | office | 50 | if (SerializerCache.TryGetValue(Signature, out XmlEventSerializer)) |
51 | { |
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52 | SerializerCacheLock.ExitReadLock(); |
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53 | return XmlEventSerializer; |
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54 | } |
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55 | SerializerCacheLock.ExitReadLock(); |
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56 | |||
57 | if (ExtraTypes == null) |
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58 | return new XmlSerializer(MainTypeForSerialization); |
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59 | |||
60 | XmlEventSerializer = new XmlSerializer(MainTypeForSerialization, ExtraTypes); |
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61 | SerializerCacheLock.EnterWriteLock(); |
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62 | SerializerCache.Add(Signature, XmlEventSerializer); |
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63 | SerializerCacheLock.ExitWriteLock(); |
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64 | |||
65 | return XmlEventSerializer; |
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66 | } |
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67 | |||
68 | public static T Deserialize<T>(XDocument XmlData) |
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69 | { |
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70 | return Deserialize<T>(XmlData, null); |
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71 | } |
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72 | |||
73 | public static T Deserialize<T>(XDocument XmlData, Type[] ExtraTypes) |
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74 | { |
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75 | try |
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76 | { |
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77 | using (var XmlReader = XmlData.Root.CreateReader()) |
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78 | { |
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22 | office | 79 | return (T) GetSerializer<T>(ExtraTypes).Deserialize(XmlReader); |
16 | office | 80 | } |
81 | } |
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82 | catch (Exception ex) |
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83 | { |
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84 | throw new Exception("Could not deserialize to " + typeof(T).Name, ex); |
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85 | } |
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86 | } |
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87 | |||
88 | public static T Deserialize<T>(string XmlData) |
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89 | { |
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90 | return Deserialize<T>(XmlData, null); |
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91 | } |
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92 | |||
93 | public static T Deserialize<T>(string XmlData, Type[] ExtraTypes) |
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94 | { |
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95 | try |
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96 | { |
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27 | office | 97 | using (var memoryStream = new MemoryStream()) |
16 | office | 98 | { |
27 | office | 99 | using (var streamWriter = new StreamWriter(memoryStream)) |
16 | office | 100 | { |
101 | streamWriter.Write(XmlData); |
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102 | streamWriter.Flush(); |
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103 | memoryStream.Position = 0; |
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27 | office | 104 | return (T) GetSerializer<T>(ExtraTypes).Deserialize(memoryStream); |
16 | office | 105 | } |
106 | } |
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107 | } |
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108 | catch (Exception ex) |
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109 | { |
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110 | throw new Exception("Could not deserialize to " + typeof(T).Name, ex); |
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111 | } |
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112 | } |
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113 | |||
114 | public static XDocument Serialize<T>(T Object, Type[] ExtraTypes) |
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115 | { |
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116 | try |
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117 | { |
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27 | office | 118 | using (var memoryStream = new MemoryStream()) |
16 | office | 119 | { |
27 | office | 120 | using (var streamReader = new StreamReader(memoryStream)) |
16 | office | 121 | { |
27 | office | 122 | using (var xmlWriter = XmlWriter.Create(memoryStream, new XmlWriterSettings {Indent = true})) |
16 | office | 123 | { |
22 | office | 124 | var ns = new XmlSerializerNamespaces(); |
16 | office | 125 | ns.Add(string.Empty, string.Empty); |
126 | GetSerializer<T>(ExtraTypes).Serialize(xmlWriter, Object, ns); |
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127 | xmlWriter.Flush(); |
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128 | memoryStream.Position = 0L; |
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129 | return XDocument.Load(streamReader, LoadOptions.None); |
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130 | } |
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131 | } |
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132 | } |
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133 | } |
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134 | catch (Exception ex) |
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135 | { |
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136 | throw new Exception("Could not serialize from " + typeof(T).Name + " to xml string", ex); |
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137 | } |
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138 | } |
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139 | |||
140 | public static XDocument Serialize<T>(T Object) |
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141 | { |
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142 | return Serialize(Object, null); |
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143 | } |
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144 | |||
145 | public static T Deserialize<T>(StreamReader streamReader) |
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146 | { |
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147 | return Deserialize<T>(streamReader.ReadToEnd(), null); |
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148 | } |
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149 | |||
150 | public static T Deserialize<T>(Stream stream) |
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151 | { |
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22 | office | 152 | using (var memoryStream = new MemoryStream()) |
16 | office | 153 | { |
154 | stream.CopyTo(memoryStream); |
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155 | memoryStream.Position = 0L; |
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156 | using (var streamReader = new StreamReader(memoryStream)) |
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157 | { |
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158 | return Deserialize<T>(streamReader.ReadToEnd(), null); |
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159 | } |
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160 | } |
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161 | } |
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162 | |||
163 | public static void Serialize<T>(Stream stream, T value) |
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164 | { |
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165 | Serialize(value, null).Save(stream); |
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166 | } |
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167 | |||
168 | public static void Serialize<T>(StreamWriter streamWriter, T value) |
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169 | { |
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170 | Serialize(value, null).Save(streamWriter); |
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171 | } |
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172 | |||
173 | public static void Serialize<T>(StringWriter stringWriter, T value) |
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174 | { |
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175 | Serialize(value, null).Save(stringWriter); |
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176 | } |
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177 | |||
178 | public static T Deserialize<T>(TextReader reader) |
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179 | { |
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180 | return Deserialize<T>(reader.ReadToEnd(), null); |
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181 | } |
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182 | } |
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27 | office | 183 | } |