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1 using System;
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2 using System.Collections.Generic;
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3 using System.Text.RegularExpressions;
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4 using Implab.Diagnostics;
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5
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6 namespace Implab.ServiceHost.Unity {
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7 using System.Linq;
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8 using System.Reflection;
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9 using System.Text;
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10 using global::Unity;
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11 using global::Unity.Registration;
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12 using Implab.Xml;
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13 using static Trace<ContainerBuilder>;
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14
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15 public class ContainerBuilder {
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16
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17 readonly TypeResolver m_resolver;
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18
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19 readonly UnityContainer m_container;
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20
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21 readonly ContainerConfigurationSchema m_schema;
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22
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23 public UnityContainer Container {
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24 get {
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25 return m_container;
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26 }
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27 }
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28
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29 public ContainerBuilder() : this(null, null) {
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30 }
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31
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32 public ContainerBuilder(UnityContainer container, ContainerConfigurationSchema schema) {
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33 m_container = container ?? new UnityContainer();
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34 m_resolver = new TypeResolver();
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35 m_schema = schema ?? ContainerConfigurationSchema.Default;
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36 }
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37
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38 public Type ResolveType(string typeReference) {
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39 return m_resolver.Resolve(typeReference);
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40 }
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41
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42
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43 internal void Visit(TypeAbstractRegistration typeRegistration) {
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44 var registrationType = typeRegistration.GetRegistrationType(ResolveType);
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45 var implementationType = typeRegistration.GetImplementationType(ResolveType) ?? registrationType;
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46
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47 var registrationContext = new TypeRegistrationBuilder(
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48 m_resolver,
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49 registrationType,
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50 implementationType
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51 );
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52
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53 typeRegistration.Visit(registrationContext);
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54
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55 m_container.RegisterType(
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56 registrationContext.RegistrationType,
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57 registrationContext.ImplementationType,
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58 typeRegistration.Name,
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59 registrationContext.Lifetime,
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60 registrationContext.Injections
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61 );
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62 }
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63
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64 internal void Visit(InstanceAbstractRegistration instanceRegistration) {
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65 var registrationType = instanceRegistration.GetRegistrationType(ResolveType);
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66
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67 var builder = new InstanceRegistrationBuilder(m_resolver, registrationType);
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68
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69 instanceRegistration.Visit(builder);
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70
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71 m_container.RegisterInstance(
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72 builder.ValueBuilder.ValueType,
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73 instanceRegistration.Name,
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74 builder.ValueBuilder.Value,
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75 builder.Lifetime
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76 );
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77 }
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78
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79 internal void Visit(FactoryAbstractRegistratrion factoryRgistration) {
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80 var registrationType = factoryRgistration.GetRegistrationType(ResolveType);
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81
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82 var builder = new FactoryRegistrationBuilder(registrationType);
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83
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84 factoryRgistration.Visit(builder);
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85
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86 m_container.RegisterType(
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87 builder.RegistrationType,
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88 factoryRgistration.Name,
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89 builder.Lifetime,
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90 builder.Factory
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91 );
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92 }
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93
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94 internal void Visit(NamespaceElement namespaceElement) {
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95 m_resolver.AddNamespace(namespaceElement.Name);
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96 }
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97
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98 internal void Visit(AssemblyElement assemblyElement) {
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99 Assembly.Load(assemblyElement.AssemblyName);
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100 }
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101
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102 internal void Visit(IncludeElement includeElement) {
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103 Include(includeElement.Href);
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104 }
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105
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106 public void Include(string file) {
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107 var includeContext = new ContainerBuilder(m_container, m_schema);
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108 includeContext.LoadConfig(file);
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109 }
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110
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111 public void LoadConfig(string file) {
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112 var config = m_schema.LoadFile(file);
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113
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114 config.Visit(this);
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115 }
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116
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117 }
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118 } |