73 lines
2.0 KiB
C#
73 lines
2.0 KiB
C#
using System;
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using System.Collections.Generic;
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using System.Linq;
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using System.Reflection;
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using Umbraco.Core.Logging;
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using Umbraco.Core.ObjectResolution;
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using umbraco.interfaces;
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namespace Umbraco.Core
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{
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/// <summary>
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/// A resolver to return all IAction objects
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/// </summary>
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internal sealed class ActionsResolver : LazyManyObjectsResolverBase<ActionsResolver, IAction>
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{
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/// <summary>
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/// Constructor
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/// </summary>
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/// <param name="serviceProvider"></param>
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/// <param name="logger"></param>
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/// <param name="packageActions"></param>
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internal ActionsResolver(IServiceProvider serviceProvider, ILogger logger, Func<IEnumerable<Type>> packageActions)
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: base(serviceProvider, logger, packageActions)
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{
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}
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/// <summary>
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/// Gets the <see cref="IPackageAction"/> implementations.
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/// </summary>
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public IEnumerable<IAction> Actions
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{
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get
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{
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return Values;
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}
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}
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/// <summary>
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/// Gets an Action if it exists.
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/// </summary>
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/// <typeparam name="T"></typeparam>
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/// <returns></returns>
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internal IAction GetAction<T>()
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where T : IAction
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{
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return Actions.SingleOrDefault(x => x.GetType() == typeof (T));
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}
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protected override IEnumerable<IAction> CreateInstances()
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{
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var actions = new List<IAction>();
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var foundIActions = InstanceTypes;
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foreach (var type in foundIActions)
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{
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IAction typeInstance;
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var instance = type.GetProperty("Instance", BindingFlags.Public | BindingFlags.Static);
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//if the singletone initializer is not found, try simply creating an instance of the IAction if it supports public constructors
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if (instance == null)
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typeInstance = ServiceProvider.GetService(type) as IAction;
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else
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typeInstance = instance.GetValue(null, null) as IAction;
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if (typeInstance != null)
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{
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actions.Add(typeInstance);
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}
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}
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return actions;
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}
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}
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} |