76 lines
2.5 KiB
C#
76 lines
2.5 KiB
C#
using System;
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using System.Collections.Generic;
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using System.Diagnostics;
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using System.Linq;
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using System.Reflection;
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using NzbDrone.Common.Messaging;
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using TinyIoC;
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namespace NzbDrone.Common.Composition
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{
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public abstract class ContainerBuilderBase
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{
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private readonly List<Type> _loadedTypes;
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public IContainer Container { get; private set; }
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protected ContainerBuilderBase(params string[] assemblies)
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{
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_loadedTypes = new List<Type>();
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foreach (var assembly in assemblies)
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{
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_loadedTypes.AddRange(Assembly.Load(assembly).GetTypes());
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}
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Container = new Container(new TinyIoCContainer(), _loadedTypes);
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AutoRegisterInterfaces();
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}
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private void AutoRegisterInterfaces()
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{
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var loadedInterfaces = _loadedTypes.Where(t => t.IsInterface).ToList();
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var implementedInterfaces = _loadedTypes.SelectMany(t => t.GetInterfaces());
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var contracts = loadedInterfaces.Union(implementedInterfaces).Where(c => !c.IsGenericTypeDefinition && !string.IsNullOrWhiteSpace(c.FullName))
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.Where(c => !c.FullName.StartsWith("System"))
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.Except(new List<Type> { typeof(IMessage), typeof(IEvent), typeof(IContainer) }).Distinct().OrderBy(c => c.FullName);
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foreach (var contract in contracts)
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{
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AutoRegisterImplementations(contract);
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}
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}
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protected void AutoRegisterImplementations<TContract>()
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{
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AutoRegisterImplementations(typeof(TContract));
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}
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private void AutoRegisterImplementations(Type contractType)
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{
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var implementations = Container.GetImplementations(contractType).Where(c => !c.IsGenericTypeDefinition).ToList();
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if (implementations.Count == 0)
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{
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return;
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}
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if (implementations.Count == 1)
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{
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var impl = implementations.Single();
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Trace.WriteLine(string.Format("Registering {0} -> {1}", contractType.FullName, impl.Name));
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Container.RegisterSingleton(contractType, impl);
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}
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else
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{
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Trace.WriteLine(string.Format("Registering {0} -> {1}", contractType.FullName, implementations.Count));
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Container.RegisterAllAsSingleton(contractType, implementations);
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}
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}
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}
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} |