public WidgetComponentDescriptor Create(WidgetDescriptor widgetDescriptor)
{
var invokeMethod = widgetDescriptor.ComponentType.GetMethod("Invoke");
if (invokeMethod == null)
{
invokeMethod = widgetDescriptor.ComponentType.GetMethod("InvokeAsync");
}
if (invokeMethod == null)
{
throw new Exception($"The Type '{widgetDescriptor.ComponentType.Name}' method Invoke or InvokeAsync not found. ");
}
return(new WidgetComponentDescriptor()
{
TypeInfo = widgetDescriptor.ComponentType.GetTypeInfo(),
MethodInfo = invokeMethod,
Parameters = invokeMethod.GetParameters(),
RootName = widgetDescriptor.Assembly.GetName().Name,
});
}
private WidgetDescriptor CreateWidgetDescriptor(WidgetConfigDescritpion descritpion, IEnumerable <Assembly> assemblies)
{
var descriptior = new WidgetDescriptor()
{
Author = descritpion.Author,
Description = descritpion.Description,
Id = descritpion.Id,
Name = descritpion.Name,
Version = descritpion.Version,
};
foreach (var assembly in assemblies)
{
Logger.LogDebug("Load assembly '{0}' ", assembly.FullName);
var mainType = assembly.ExportedTypes.FirstOrDefault(t => !t.IsAbstract && t.BaseType != null && typeof(IWidget).IsAssignableFrom(t));
if (mainType == null)
{
continue;
}
descriptior.Instance = (IWidget)Activator.CreateInstance(mainType);
descriptior.Assembly = assembly;
Logger.LogDebug("Find widget assembly '{0}' ", assembly.FullName);
descriptior.ComponentType = assembly.ExportedTypes.FirstOrDefault(t => !t.IsAbstract && t.BaseType != null && typeof(WidgetComponent).IsAssignableFrom(t));;
}
if (descriptior.Assembly == null)
{
return(null);
}
return(descriptior);
//WidgetAssemblyLoadContext loadContext = new WidgetAssemblyLoadContext(directory.FullName);
//foreach (var item in directory.GetFiles("*.dll"))
//{
// //var assembly = loadContext.LoadFromAssemblyPath(item.FullName);
// var assembly = LoadAssembly(item.FullName);
// if (assembly == null)
// continue;
// Logger.LogDebug("Load assembly file '{0}' ", item.FullName);
// var mainType = assembly.ExportedTypes.FirstOrDefault(t => !t.IsAbstract && t.BaseType != null && (t.BaseType.Name == "WidgetBase" || t.BaseType.Name == "IWidget" || typeof(IWidget).IsAssignableFrom(t)));
// if (mainType == null)
// {
// continue;
// }
// descriptior.Instance = (IWidget)Activator.CreateInstance(mainType);
// descriptior.Assembly = assembly;
// Logger.LogDebug("Find widget assembly '{0}' ", assembly.FullName);
// var viewComponentType = assembly.ExportedTypes.FirstOrDefault(t => !t.IsAbstract && t.BaseType != null && t.BaseType.Name == "WidgetComponent");
// descriptior.ComponentType = viewComponentType;
//}
//if (descriptior.Assembly == null)
// return null;
//return descriptior;
}