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annotate Implab.ServiceHost/Unity/ContainerConfigurationSchema.cs @ 273:79110a16cab7 v3

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Working on Unity xml configuration: Refactoring in progress
author cin
date Thu, 26 Apr 2018 19:35:01 +0300
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children 22629bf26121
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1 using System;
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2 using System.Collections.Generic;
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3 using System.IO;
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4 using System.Reflection;
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5 using System.Xml;
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6 using System.Xml.Serialization;
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7 using Implab.Components;
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9 namespace Implab.ServiceHost.Unity {
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10 public class ContainerConfigurationSchema {
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12 public static ContainerConfigurationSchema Default { get; private set; } = CreateDefault();
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14 readonly LazyAndWeak<XmlSerializer> m_seralizer;
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16 readonly XmlAttributeOverrides m_overrides = new XmlAttributeOverrides();
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18 readonly XmlAttributes m_containerItems = new XmlAttributes();
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20 public XmlSerializer Serializer {
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21 get {
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22 return m_seralizer.Value;
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23 }
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24 }
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25
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26 public ContainerConfigurationSchema() {
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27 m_overrides.Add(typeof(ContainerElement), nameof(ContainerElement.Items), m_containerItems);
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29 m_seralizer = new LazyAndWeak<XmlSerializer>(() => new XmlSerializer(typeof(ContainerElement), m_overrides));
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30 }
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32 public void RegisterContainerElement(Type type, string name) {
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33 Safe.ArgumentNotNull(type, nameof(type));
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34 Safe.ArgumentNotEmpty(name, nameof(name));
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35
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36 if(!type.IsSubclassOf(typeof(ContainerItemElement)))
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37 throw new Exception($"RegisterContainerElement '{name}': {type} must be subclass of {typeof(ContainerItemElement)}");
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38
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39 m_containerItems.XmlElements.Add(
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40 new XmlElementAttribute(name, type)
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41 );
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42 }
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43
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44 public void RegisterContainerElement<T>(string name) where T : ContainerItemElement {
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45 RegisterContainerElement(typeof(T), name);
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46 }
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47
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48 public ContainerElement LoadFile(string file) {
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49 using (var reader = XmlReader.Create(file)) {
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50 return (ContainerElement)Serializer.Deserialize(reader);
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51 }
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52 }
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53
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54 static ContainerConfigurationSchema CreateDefault() {
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55 var schema = new ContainerConfigurationSchema();
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56
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57 schema.RegisterContainerElement<RegisterElement>("register");
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58 schema.RegisterContainerElement<IncludeElement>("include");
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59 schema.RegisterContainerElement<AssemblyElement>("assembly");
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60 schema.RegisterContainerElement<NamespaceElement>("namespace");
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62 return schema;
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63 }
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66 }
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67 }