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annotate Implab.ServiceHost/Unity/ConfigurationSchema.cs @ 271:d4d437ec4483 v3

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Working on Unity xml configuration
author cin
date Wed, 25 Apr 2018 19:23:35 +0300
parents ff581cff7003
children
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1 using System;
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2 using System.Collections.Generic;
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3 using System.Reflection;
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4 using System.Xml;
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5 using System.Xml.Serialization;
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6 using Implab.Components;
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7
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8 namespace Implab.ServiceHost.Unity {
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9 public class ConfigurationSchema {
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10
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11 public static ConfigurationSchema Default { get; private set; } = CreateDefault();
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12
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13 readonly Dictionary<Tuple<string,string>, LazyAndWeak<XmlSerializer>> m_mappings = new Dictionary<Tuple<string, string>, LazyAndWeak<XmlSerializer>>();
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14
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15 public void DefineMapping(string name, string ns, Type type) {
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16 Safe.ArgumentNotEmpty(name, nameof(name));
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17 Safe.ArgumentNotNull(type, nameof(type));
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18 ns = ns ?? string.Empty;
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19 m_mappings[Tuple.Create(name, ns)] = new LazyAndWeak<XmlSerializer>(() => new XmlSerializer(type), true);
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20 }
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22 public void DefineMapping<T>() {
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23 var xmlRoot = typeof(T).GetCustomAttribute<XmlRootAttribute>();
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24 var ns = xmlRoot?.Namespace;
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25 var root = xmlRoot?.ElementName ?? typeof(T).Name;
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26 DefineMapping(root, ns, typeof(T));
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27 }
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28
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29 public T Deserialize<T>(XmlReader reader) {
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30 reader.MoveToContent();
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31 var name = reader.Name;
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32 var ns = reader.NamespaceURI;
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33
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34 return (T)m_mappings[Tuple.Create(name, ns)].Value.Deserialize(reader);
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35 }
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36
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37 static ConfigurationSchema CreateDefault() {
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38 var schema = new ConfigurationSchema();
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39
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40 schema.DefineMapping<RegisterElement>();
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41 schema.DefineMapping<IncludeElement>();
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42 schema.DefineMapping<AssemblyElement>();
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43 schema.DefineMapping<NamespaceElement>();
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44
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45 return schema;
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46 }
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49 }
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50 }