public static IInvokeResult InstanceMethod(MethodSortOptions options, object obj, string methodName, params object[] availableArgs)
{
if (obj == null)
{
throw new ArgumentNullException(nameof(obj), "Must provide an object reference");
}
if (string.IsNullOrEmpty(methodName))
{
throw new ArgumentException("Must provide a method name to invoke", nameof(methodName));
}
availableArgs = availableArgs ?? new object[0];
var type = obj.GetType();
var methods = type.GetMethods()
.Where(method => method.Name.Equals(methodName, StringComparison.OrdinalIgnoreCase))
.Where(method => method.IsPublic && !method.IsStatic)
.ToList();
if (methods.Count == 0)
{
return(new MethodNotFoundResult());
}
var sorter = new MethodSorter(options);
var bestMethod = sorter.GetBestMethod(methods, availableArgs);
if (bestMethod?.Member == null)
{
return(new NoSuitableMethodsResult());
}
var methodInfo = bestMethod.Member as MethodInfo;
if (methodInfo == null)
{
return(new NoSuitableMethodsResult());
}
if (methodInfo.ReturnType == typeof(void))
{
methodInfo.Invoke(obj, bestMethod.Arguments);
return(new ActionSuccessResult());
}
var result = methodInfo.Invoke(obj, bestMethod.Arguments);
return(new FuncSuccessResult(result));
}
public static IInvokeResult Constructor(MethodSortOptions options, Type type, params object[] availableArgs)
{
if (type == null)
{
throw new ArgumentNullException(nameof(type), "Must provide a valid type");
}
availableArgs = availableArgs ?? new object[0];
if (type.IsAbstract || type.IsInterface)
{
return(new ConstructorNotFoundResult());
}
var ctors = type.GetConstructors(BindingFlags.Public | BindingFlags.Instance);
if (ctors.Length == 0)
{
return(new ConstructorNotFoundResult());
}
var sorter = new MethodSorter(options);
var bestCtor = sorter.GetBestMethod(ctors, availableArgs);
if (bestCtor?.Member == null)
{
return(new NoSuitableConstructorResult());
}
var ctorInfo = bestCtor.Member as ConstructorInfo;
if (ctorInfo == null)
{
return(new NoSuitableConstructorResult());
}
var obj = ctorInfo.Invoke(bestCtor.Arguments);
return(new FuncSuccessResult(obj));
}
public MethodSorter(MethodSortOptions options)
{
_options = options;
}