public async Task Handle(string message, IServiceProvider provider)
{
var settings = NewtonsoftJsonUtil.UseCustomNewtonsoftSettings();
var eventData = JsonConvert.DeserializeObject(message, EventType, settings);
var handler = provider.GetService(HandlerType);
await(Task) HandlerType.GetMethod("Handle")
.Invoke(handler, new[] { eventData });
}
/// <summary>
/// return an integer that specifies where to place the menu.
/// </summary>
/// <returns></returns>
public virtual PreferredLocation GetMenuPreferedLocation()
{
var TargetMethod = HandlerType.GetMethod("GetMenuPreferedLocation");
if (TargetMethod == null)
{
return(PreferredLocation.Default);
}
return((PreferredLocation)TargetMethod.Invoke(Handler, null));
}
public void RegisterListener()
{
ConstructorInfo constructor = HandlerType.GetConstructor(Type.EmptyTypes);
//create instance of handler class
_handlerClass = constructor.Invoke(new object[] { });
if (_handlerClass == null)
{
throw new Exception("HandlerType class not found");
}
var t = Channel.MessageConverter.TypeMapper.GetTypeForKey(TypeKey);
_handlerMethod = HandlerType.GetMethod(HandlerMethod, new [] { t });
Log.Info("Listener Type " + TypeKey + " Registered");
}
public HandlerMethod(object handler, string handlerMethodName, params Type[] parameterTypes)
{
if (handler == null)
{
throw new ArgumentNullException(nameof(handler));
}
if (string.IsNullOrEmpty(nameof(handlerMethodName)))
{
throw new ArgumentNullException(nameof(handlerMethodName));
}
_handler = handler;
HandlerType = handler.GetType();
Method = HandlerType.GetMethod(handlerMethodName, parameterTypes);
_argCount = Method.GetParameters().Length;
_invoker = CreateInvoker();
}
/// <summary>
/// 执行程序集中的类的 ProcessRequest 方法。
/// </summary>
internal void ExecuteProcessRequestMethodInHandler()
{
if (this.DBProcess == false && this.HandlerType != null && this.Request != null)
{
// 创建实例。
object handler = Activator.CreateInstance(HandlerType);
// 获取 ProcessRequest 执行方法。
MethodInfo method = HandlerType.GetMethod("ProcessRequest");
// 创建参数数组。
object[] parameters = new object[] { this.Request, this.DBProcess };
// 执行方法。
this.Response = (ResponseResultBase)method.Invoke(handler, parameters);
// 设置 ref 参数。
this.DBProcess = (bool)parameters[1];
}
}
public string GetFriendlyName()
{
return((string)HandlerType.GetMethod("GetFriendlyName").Invoke(Handler, Array.Empty <object>()));
}
public string GetDialogBoxExt()
{
return((string)HandlerType.GetMethod("GetDialogBoxExt").Invoke(Handler, Array.Empty <object>()));
}
public void WriteData(StreamReader Source, StreamWriter Output)
{
HandlerType.GetMethod("WriteData").Invoke(Handler, new object[] { Source, Output });
}
public string GetPreferredExtension()
{
return((string)HandlerType.GetMethod("GetPreferredExtension").Invoke(Handler, Array.Empty <object>()));
}
{/*
* public object Handler;
* public AppDomain Domain;
* public Assembly LoadedAssembly;
* public Type HandlerType;
*/
public void ReadData(StreamReader Source, StreamWriter Output, out bool ContainsRtfTags)
{
// a cludge, I would not figure out to get out args to work this way in the remote class
ContainsRtfTags = false;
HandlerType.GetMethod("ReadData").Invoke(Handler, new object[] { Source, Output, ContainsRtfTags });
}
/// <summary>
/// get the base command (pre template processing) that will be ran with the menu.
/// </summary>
/// <returns></returns>
public virtual string GetMenuItemCommand()
{
return((string)HandlerType.GetMethod("GetMenuItemCommand").Invoke(Handler, Array.Empty <object>()));
}
public EventHandlerWrapper(Type eventType)
{
HandlerType = typeof(IEventHandler <>).MakeGenericType(eventType);
_handleMethod = HandlerType.GetMethod(nameof(IEventHandler <IEvent> .Handle));
}
