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