/// <summary>
/// 初始化
/// </summary>
/// <param name="config">Config</param>
public void Initialize(FarmConfig config)
{
//依赖注入
RegisterDependencies(config);
//startup tasks
if (!config.IgnoreStartupTasks)
{
RunStartupTasks();
}
}
/// <summary>
/// 创建EngineContext实例
/// </summary>
/// <param name="config">FarmConfi</param>
/// <returns>IEngine</returns>
protected static IEngine CreateEngineInstance(FarmConfig config)
{
if (config != null && !string.IsNullOrEmpty(config.EngineType))
{
var engineType = Type.GetType(config.EngineType);
if (engineType == null)
throw new ConfigurationErrorsException("The type '" + config.EngineType + "' could not be found. Please check the configuration at /configuration/nop/engine[@engineType] or check for missing assemblies.");
if (!typeof(IEngine).IsAssignableFrom(engineType))
throw new ConfigurationErrorsException("The type '" + engineType + "' doesn't implement 'Nop.Core.Infrastructure.IEngine' and cannot be configured in /configuration/nop/engine[@engineType] for that purpose.");
return Activator.CreateInstance(engineType) as IEngine;
}
return new FarmEngine();
}
/// <summary>
/// 创建Config
/// </summary>
/// <param name="parent"></param>
/// <param name="configContext"></param>
/// <param name="section"></param>
/// <returns></returns>
public object Create(object parent, object configContext, XmlNode section)
{
var config = new FarmConfig();
var dynamicDiscoveryNode = section.SelectSingleNode("DynamicDiscovery");
if (dynamicDiscoveryNode != null && dynamicDiscoveryNode.Attributes != null)
{
var attribute = dynamicDiscoveryNode.Attributes["Enabled"];
if (attribute != null)
{
config.DynamicDiscovery = Convert.ToBoolean(attribute.Value);
}
}
var engineNode = section.SelectSingleNode("Engine");
if (engineNode != null && engineNode.Attributes != null)
{
var attribute = engineNode.Attributes["Type"];
if (attribute != null)
{
config.EngineType = attribute.Value;
}
}
var startupNode = section.SelectSingleNode("Startup");
if (startupNode != null && startupNode.Attributes != null)
{
var attribute = startupNode.Attributes["IgnoreStartupTasks"];
if (attribute != null)
{
config.IgnoreStartupTasks = Convert.ToBoolean(attribute.Value);
}
}
var themeNode = section.SelectSingleNode("Themes");
var userAgentStringsNode = section.SelectSingleNode("UserAgentStrings");
if (userAgentStringsNode != null && userAgentStringsNode.Attributes != null)
{
var attribute = userAgentStringsNode.Attributes["databasePath"];
if (attribute != null)
{
config.UserAgentStringsPath = attribute.Value;
}
}
return(config);
}
/// <summary>
/// 创建EngineContext实例
/// </summary>
/// <param name="config">FarmConfi</param>
/// <returns>IEngine</returns>
protected static IEngine CreateEngineInstance(FarmConfig config)
{
if (config != null && !string.IsNullOrEmpty(config.EngineType))
{
var engineType = Type.GetType(config.EngineType);
if (engineType == null)
{
throw new ConfigurationErrorsException("The type '" + config.EngineType + "' could not be found. Please check the configuration at /configuration/nop/engine[@engineType] or check for missing assemblies.");
}
if (!typeof(IEngine).IsAssignableFrom(engineType))
{
throw new ConfigurationErrorsException("The type '" + engineType + "' doesn't implement 'Nop.Core.Infrastructure.IEngine' and cannot be configured in /configuration/nop/engine[@engineType] for that purpose.");
}
return(Activator.CreateInstance(engineType) as IEngine);
}
return(new FarmEngine());
}
/// <summary>
/// 创建Config
/// </summary>
/// <param name="parent"></param>
/// <param name="configContext"></param>
/// <param name="section"></param>
/// <returns></returns>
public object Create(object parent,object configContext,XmlNode section)
{
var config = new FarmConfig();
var dynamicDiscoveryNode = section.SelectSingleNode("DynamicDiscovery");
if (dynamicDiscoveryNode != null && dynamicDiscoveryNode.Attributes != null)
{
var attribute = dynamicDiscoveryNode.Attributes["Enabled"];
if (attribute != null)
config.DynamicDiscovery = Convert.ToBoolean(attribute.Value);
}
var engineNode = section.SelectSingleNode("Engine");
if (engineNode != null && engineNode.Attributes != null)
{
var attribute = engineNode.Attributes["Type"];
if (attribute != null)
config.EngineType = attribute.Value;
}
var startupNode = section.SelectSingleNode("Startup");
if (startupNode != null && startupNode.Attributes != null)
{
var attribute = startupNode.Attributes["IgnoreStartupTasks"];
if (attribute != null)
config.IgnoreStartupTasks = Convert.ToBoolean(attribute.Value);
}
var themeNode = section.SelectSingleNode("Themes");
var userAgentStringsNode = section.SelectSingleNode("UserAgentStrings");
if (userAgentStringsNode != null && userAgentStringsNode.Attributes != null)
{
var attribute = userAgentStringsNode.Attributes["databasePath"];
if (attribute != null)
config.UserAgentStringsPath = attribute.Value;
}
return config;
}
/// <summary>
/// 依赖注入
/// </summary>
/// <param name="config">Config</param>
protected virtual void RegisterDependencies(FarmConfig config)
{
//创建依赖容器
var builder = new ContainerBuilder();
var container = builder.Build();
var typeFinder = new WebAppTypeFinder(config);
builder = new ContainerBuilder();
//注入Config,IEngine，ItypeFinder实例
builder.RegisterInstance(config).As <FarmConfig>().SingleInstance();
builder.RegisterInstance(this).As <IEngine>().SingleInstance();
builder.RegisterInstance(typeFinder).As <ITypeFinder>().SingleInstance();
builder.Update(container);
//注入另外程序集的依赖注入提供者
builder = new ContainerBuilder();
var drTypes = typeFinder.FindClassesOfType <IDependencyRegistrar>();
var drInstances = new List <IDependencyRegistrar>();
foreach (var drType in drTypes)
{
drInstances.Add((IDependencyRegistrar)Activator.CreateInstance(drType));
}
//sort
drInstances = drInstances.AsQueryable().OrderBy(t => t.Order).ToList();
foreach (var dependencyRegistrar in drInstances)
{
dependencyRegistrar.Register(builder, typeFinder);
}
builder.Update(container);
this._containerManager = new ContainerManager(container);
//set dependency resolver
DependencyResolver.SetResolver(new AutofacDependencyResolver(container));
}
private bool _ensureBinFolderAssembliesLoaded = true; //是否动态加载
#endregion Fields
#region Constructors
/// <summary>
/// 实例化WebTypeFinder
/// </summary>
/// <param name="config">FarmConfig配置</param>
public WebAppTypeFinder(FarmConfig config)
{
this._ensureBinFolderAssembliesLoaded = config.DynamicDiscovery;
}
/// <summary>
/// 实例化WebTypeFinder
/// </summary>
/// <param name="config">FarmConfig配置</param>
public WebAppTypeFinder(FarmConfig config)
{
this._ensureBinFolderAssembliesLoaded = config.DynamicDiscovery;
}