1 | using System.Collections.Generic;
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2 | using System;
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3 | using System.Text;
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4 | using HeuristicLab.Persistence.Interfaces;
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5 | using HeuristicLab.Persistence.Core;
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6 | using System.IO;
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7 | using ICSharpCode.SharpZipLib.Zip;
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8 | using HeuristicLab.Tracing;
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9 | using log4net;
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10 | using HeuristicLab.Persistence.Interfaces.Tokens;
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11 |
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12 | namespace HeuristicLab.Persistence.Default.Xml {
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13 |
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14 | struct XmlStrings {
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15 | public const string PRIMITIVE = "PRIMITVE";
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16 | public const string COMPOSITE = "COMPOSITE";
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17 | public const string REFERENCE = "REFERENCE";
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18 | public const string NULL = "NULL";
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19 | public const string TYPECACHE = "TYPECACHE";
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20 | public const string TYPE = "TYPE";
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21 | public const string METAINFO = "METAINFO";
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22 | }
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23 |
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24 | public abstract class Generator<T> {
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25 | public T Format(ISerializationToken token) {
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26 | Type type = token.GetType();
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27 | if (type == typeof(BeginToken))
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28 | return Format((BeginToken)token);
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29 | if (type == typeof(EndToken))
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30 | return Format((EndToken)token);
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31 | if (type == typeof(PrimitiveToken))
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32 | return Format((PrimitiveToken)token);
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33 | if (type == typeof(ReferenceToken))
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34 | return Format((ReferenceToken)token);
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35 | if (type == typeof(NullReferenceToken))
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36 | return Format((NullReferenceToken)token);
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37 | if (type == typeof(MetaInfoBeginToken))
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38 | return Format((MetaInfoBeginToken)token);
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39 | if (type == typeof(MetaInfoEndToken))
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40 | return Format((MetaInfoEndToken)token);
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41 | throw new ApplicationException("Invalid token of type " + type.FullName);
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42 | }
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43 | protected abstract T Format(BeginToken beginToken);
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44 | protected abstract T Format(EndToken endToken);
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45 | protected abstract T Format(PrimitiveToken primitiveToken);
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46 | protected abstract T Format(ReferenceToken referenceToken);
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47 | protected abstract T Format(NullReferenceToken nullReferenceToken);
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48 | protected abstract T Format(MetaInfoBeginToken metaInfoBeginToken);
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49 | protected abstract T Format(MetaInfoEndToken metaInfoEndToken);
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50 | }
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51 |
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52 | public class XmlGenerator : Generator<string> {
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53 |
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54 | private int depth;
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55 |
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56 | public XmlGenerator() {
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57 | depth = 0;
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58 | }
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59 |
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60 | private enum NodeType { Start, End, Inline } ;
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61 |
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62 | private static string FormatNode(string name,
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63 | Dictionary<string, object> attributes,
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64 | NodeType type) {
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65 | return FormatNode(name, attributes, type, " ");
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66 | }
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67 |
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68 | private static string FormatNode(string name,
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69 | Dictionary<string, object> attributes,
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70 | NodeType type, string space) {
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71 | StringBuilder sb = new StringBuilder();
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72 | sb.Append('<');
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73 | if (type == NodeType.End)
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74 | sb.Append('/');
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75 | sb.Append(name);
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76 | foreach (var attribute in attributes) {
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77 | if (attribute.Value != null && !string.IsNullOrEmpty(attribute.Value.ToString())) {
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78 | sb.Append(space);
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79 | sb.Append(attribute.Key);
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80 | sb.Append("=\"");
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81 | sb.Append(attribute.Value);
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82 | sb.Append('"');
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83 | }
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84 | }
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85 | if (type == NodeType.Inline)
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86 | sb.Append('/');
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87 | sb.Append(">");
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88 | return sb.ToString();
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89 | }
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90 |
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91 | private string Prefix {
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92 | get { return new string(' ', depth * 2); }
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93 | }
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94 |
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95 | protected override string Format(BeginToken beginToken) {
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96 | var attributes = new Dictionary<string, object> {
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97 | {"name", beginToken.Name},
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98 | {"typeId", beginToken.TypeId},
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99 | {"id", beginToken.Id}};
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100 | string result = Prefix +
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101 | FormatNode(XmlStrings.COMPOSITE, attributes, NodeType.Start) + "\r\n";
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102 | depth += 1;
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103 | return result;
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104 | }
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105 |
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106 | protected override string Format(EndToken endToken) {
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107 | depth -= 1;
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108 | return Prefix + "</" + XmlStrings.COMPOSITE + ">\r\n";
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109 | }
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110 |
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111 | protected override string Format(PrimitiveToken dataToken) {
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112 | var attributes =
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113 | new Dictionary<string, object> {
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114 | {"typeId", dataToken.TypeId},
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115 | {"name", dataToken.Name},
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116 | {"id", dataToken.Id}};
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117 | return Prefix +
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118 | FormatNode(XmlStrings.PRIMITIVE, attributes, NodeType.Start) +
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119 | dataToken.SerialData + "</" + XmlStrings.PRIMITIVE + ">\r\n";
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120 | }
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121 |
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122 | protected override string Format(ReferenceToken refToken) {
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123 | var attributes = new Dictionary<string, object> {
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124 | {"ref", refToken.Id},
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125 | {"name", refToken.Name}};
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126 | return Prefix + FormatNode(XmlStrings.REFERENCE, attributes, NodeType.Inline) + "\r\n";
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127 | }
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128 |
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129 | protected override string Format(NullReferenceToken nullRefToken) {
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130 | var attributes = new Dictionary<string, object>{
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131 | {"name", nullRefToken.Name}};
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132 | return Prefix + FormatNode(XmlStrings.NULL, attributes, NodeType.Inline) + "\r\n";
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133 | }
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134 |
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135 | protected override string Format(MetaInfoBeginToken metaInfoBeginToken) {
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136 | string result = Prefix + "<" + XmlStrings.METAINFO + ">";
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137 | depth += 1;
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138 | return result;
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139 | }
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140 |
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141 | protected override string Format(MetaInfoEndToken metaInfoEndToken) {
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142 | depth -= 1;
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143 | return Prefix + "</" + XmlStrings.METAINFO + ">";
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144 | }
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145 |
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146 | public IEnumerable<string> Format(List<TypeMapping> typeCache) {
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147 | yield return "<" + XmlStrings.TYPECACHE + ">";
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148 | foreach (var mapping in typeCache)
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149 | yield return " " + FormatNode(
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150 | XmlStrings.TYPE,
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151 | mapping.GetDict(),
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152 | NodeType.Inline,
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153 | "\r\n ");
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154 | yield return "</" + XmlStrings.TYPECACHE + ">";
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155 | }
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156 |
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157 | public static void Serialize(object o, string filename) {
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158 | Serialize(o, filename, ConfigurationService.Instance.GetDefaultConfig(XmlFormat.Instance));
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159 | }
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160 |
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161 | public static void Serialize(object obj, string filename, Configuration config) {
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162 | Serializer serializer = new Serializer(obj, config);
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163 | XmlGenerator generator = new XmlGenerator();
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164 | ZipOutputStream zipStream = new ZipOutputStream(File.Create(filename));
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165 | zipStream.SetLevel(9);
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166 | zipStream.PutNextEntry(new ZipEntry("data.xml"));
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167 | StreamWriter writer = new StreamWriter(zipStream);
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168 | ILog logger = Logger.GetDefaultLogger();
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169 | foreach (ISerializationToken token in serializer) {
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170 | string line = generator.Format(token);
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171 | writer.Write(line);
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172 | logger.Debug(line);
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173 | }
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174 | writer.Flush();
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175 | zipStream.PutNextEntry(new ZipEntry("typecache.xml"));
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176 | writer = new StreamWriter(zipStream);
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177 | foreach (string line in generator.Format(serializer.TypeCache)) {
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178 | writer.WriteLine(line);
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179 | logger.Debug(line);
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180 | }
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181 | writer.Flush();
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182 | zipStream.Close();
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183 | }
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184 |
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185 | }
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186 | } |
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