wasSharpNET – Blame information for rev 16
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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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11 | using System.Text; |
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12 | using System.Threading; |
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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 | using wasSharp; |
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17 | |||
18 | namespace wasSharpNET.Serialization |
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19 | { |
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20 | public static class XmlSerializerCache |
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21 | { |
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22 | private static ReaderWriterLockSlim SerializerCacheLock = new ReaderWriterLockSlim(LockRecursionPolicy.SupportsRecursion); |
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23 | private static Dictionary<string, XmlSerializer> SerializerCache = new Dictionary<string, XmlSerializer>(); |
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24 | |||
25 | public static XmlSerializer GetSerializer<T>() |
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26 | { |
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27 | return GetSerializer<T>(null); |
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28 | } |
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29 | |||
30 | public static XmlSerializer GetSerializer<T>(Type[] ExtraTypes) |
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31 | { |
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32 | return GetSerializer(typeof(T), ExtraTypes); |
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33 | } |
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34 | |||
35 | public static XmlSerializer GetSerializer(Type MainTypeForSerialization) |
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36 | { |
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37 | return GetSerializer(MainTypeForSerialization, null); |
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38 | } |
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39 | |||
40 | public static XmlSerializer GetSerializer(Type MainTypeForSerialization, Type[] ExtraTypes) |
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41 | { |
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42 | string Signature = MainTypeForSerialization.FullName; |
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43 | if (ExtraTypes != null) |
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44 | { |
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45 | foreach (Type Tp in ExtraTypes) |
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46 | Signature += "-" + Tp.FullName; |
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47 | } |
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48 | |||
49 | SerializerCacheLock.EnterReadLock(); |
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50 | XmlSerializer XmlEventSerializer = null; |
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51 | if (SerializerCache.TryGetValue(Signature, out XmlEventSerializer)) |
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52 | { |
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53 | SerializerCacheLock.ExitReadLock(); |
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54 | return XmlEventSerializer; |
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55 | } |
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56 | SerializerCacheLock.ExitReadLock(); |
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57 | |||
58 | if (ExtraTypes == null) |
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59 | return new XmlSerializer(MainTypeForSerialization); |
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60 | |||
61 | XmlEventSerializer = new XmlSerializer(MainTypeForSerialization, ExtraTypes); |
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62 | SerializerCacheLock.EnterWriteLock(); |
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63 | SerializerCache.Add(Signature, XmlEventSerializer); |
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64 | SerializerCacheLock.ExitWriteLock(); |
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65 | |||
66 | return XmlEventSerializer; |
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67 | } |
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68 | |||
69 | public static T Deserialize<T>(XDocument XmlData) |
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70 | { |
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71 | return Deserialize<T>(XmlData, null); |
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72 | } |
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73 | |||
74 | public static T Deserialize<T>(XDocument XmlData, Type[] ExtraTypes) |
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75 | { |
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76 | try |
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77 | { |
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78 | using (var XmlReader = XmlData.Root.CreateReader()) |
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79 | { |
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80 | return (T)GetSerializer<T>(ExtraTypes).Deserialize(XmlReader); |
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81 | } |
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82 | } |
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83 | catch (Exception ex) |
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84 | { |
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85 | throw new Exception("Could not deserialize to " + typeof(T).Name, ex); |
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86 | } |
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87 | } |
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88 | |||
89 | public static T Deserialize<T>(string XmlData) |
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90 | { |
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91 | return Deserialize<T>(XmlData, null); |
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92 | } |
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93 | |||
94 | public static T Deserialize<T>(string XmlData, Type[] ExtraTypes) |
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95 | { |
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96 | try |
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97 | { |
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98 | using (MemoryStream memoryStream = new MemoryStream()) |
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99 | { |
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100 | using (StreamWriter streamWriter = new StreamWriter(memoryStream)) |
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101 | { |
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102 | streamWriter.Write(XmlData); |
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103 | streamWriter.Flush(); |
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104 | memoryStream.Position = 0; |
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105 | return (T)GetSerializer<T>(ExtraTypes).Deserialize(memoryStream); |
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106 | } |
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107 | } |
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108 | } |
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109 | catch (Exception ex) |
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110 | { |
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111 | throw new Exception("Could not deserialize to " + typeof(T).Name, ex); |
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112 | } |
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113 | } |
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114 | |||
115 | public static XDocument Serialize<T>(T Object, Type[] ExtraTypes) |
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116 | { |
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117 | try |
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118 | { |
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119 | using (MemoryStream memoryStream = new MemoryStream()) |
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120 | { |
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121 | using (StreamReader streamReader = new StreamReader(memoryStream)) |
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122 | { |
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123 | using (var xmlWriter = XmlWriter.Create(memoryStream, new XmlWriterSettings { Indent = true })) |
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124 | { |
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125 | XmlSerializerNamespaces ns = new XmlSerializerNamespaces(); |
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126 | ns.Add(string.Empty, string.Empty); |
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127 | GetSerializer<T>(ExtraTypes).Serialize(xmlWriter, Object, ns); |
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128 | xmlWriter.Flush(); |
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129 | memoryStream.Position = 0L; |
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130 | return XDocument.Load(streamReader, LoadOptions.None); |
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131 | } |
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132 | } |
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133 | } |
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134 | } |
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135 | catch (Exception ex) |
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136 | { |
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137 | throw new Exception("Could not serialize from " + typeof(T).Name + " to xml string", ex); |
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138 | } |
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139 | } |
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140 | |||
141 | public static XDocument Serialize<T>(T Object) |
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142 | { |
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143 | return Serialize(Object, null); |
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144 | } |
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145 | |||
146 | public static T Deserialize<T>(StreamReader streamReader) |
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147 | { |
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148 | return Deserialize<T>(streamReader.ReadToEnd(), null); |
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149 | } |
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150 | |||
151 | public static T Deserialize<T>(Stream stream) |
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152 | { |
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153 | using (MemoryStream memoryStream = new MemoryStream()) |
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154 | { |
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155 | stream.CopyTo(memoryStream); |
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156 | memoryStream.Position = 0L; |
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157 | using (var streamReader = new StreamReader(memoryStream)) |
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158 | { |
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159 | return Deserialize<T>(streamReader.ReadToEnd(), null); |
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160 | } |
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161 | } |
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162 | } |
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163 | |||
164 | public static void Serialize<T>(Stream stream, T value) |
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165 | { |
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166 | Serialize(value, null).Save(stream); |
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167 | } |
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168 | |||
169 | public static void Serialize<T>(StreamWriter streamWriter, T value) |
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170 | { |
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171 | Serialize(value, null).Save(streamWriter); |
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172 | } |
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173 | |||
174 | public static void Serialize<T>(StringWriter stringWriter, T value) |
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175 | { |
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176 | Serialize(value, null).Save(stringWriter); |
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177 | } |
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178 | |||
179 | public static T Deserialize<T>(TextReader reader) |
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180 | { |
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181 | return Deserialize<T>(reader.ReadToEnd(), null); |
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182 | } |
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183 | } |
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184 | } |