public virtual WebMethodContract ResolveMethod(MethodInfo method)
{
if (_contracts.ContainsKey(method))
{
return(_contracts[method] as WebMethodContract);
}
WebMethodAttribute attribute = method.GetCustomAttribute <WebMethodAttribute>() ?? new WebMethodAttribute();
ParameterInfo[] parameters = method.GetParameters();
WebMethodContract contract = new WebMethodContract(method)
{
Method = attribute.Method,
Name = string.IsNullOrWhiteSpace(attribute.Name) ? method.Name : attribute.Name,
Version = attribute.Version,
Return = ResolveReturn(method.ReturnParameter),
Parameters = method.GetParameters().Select(p => ResolveParameter(p)).ToArray(),
RequiresKey = attribute.RequireKey,
HasOptions = parameters.LastOrDefault()?.ParameterType == typeof(RequestOptions) ||
(parameters.LastOrDefault()?.ParameterType?.IsSubclassOf(typeof(RequestOptions)) ?? false),
CanInvoke = method.ReturnType == typeof(void) ||
method.ReturnType == typeof(Task) ||
method.ReturnType.GetGenericTypeDefinition() == typeof(Task <>)
};
_contracts[method] = contract;
return(contract);
}
protected override object Invoke(MethodInfo targetMethod, object[] args)
{
WebInterfaceContract @interface = _resolver.ResolveInterface(targetMethod.DeclaringType);
WebMethodContract method = _resolver.ResolveMethod(targetMethod);
if (!method.CanInvoke)
{
throw new MissingMethodException(targetMethod.DeclaringType.Name, targetMethod.Name);
}
return(_invoker.InvokeMethod(@interface, method, args));
}
public virtual object InvokeMethod(WebInterfaceContract @interface, WebMethodContract method, object[] parameters)
{
Type returnType = method.Return.ParameterInfo.ParameterType;
if (returnType != typeof(void) && returnType != typeof(Task) && returnType.GetGenericTypeDefinition() != typeof(Task <>))
{
throw new InvalidOperationException("Cannot invoke method without a return type of void, Task, or Task<T>");
}
var interfaceName = @interface.Name;
var methodName = method.Name;
var httpMethod = method.Method;
var query = new (string, string)[method.HasOptions ? parameters.Length - 1 : parameters.Length];