public static ApiAction Get(IWebApi api, string methodName, string version)
{
if (string.IsNullOrEmpty(methodName))
{
throw new ArgumentException(nameof(methodName));
}
var invokeMethodName = methodName;
var apiver = 0;
if (version == null)
{
var index = methodName.LastIndexOf('V');
if (index > 0)
{
version = methodName.Remove(0, index + 1);
if (int.TryParse(version, out apiver) && apiver >= 0)
{
methodName = methodName.Remove(index);
}
}
}
else if (int.TryParse(version, out apiver) && apiver >= 0)
{
invokeMethodName = methodName + "V" + version;
}
else
{
return(null);
}
try
{
var method = api.GetType().GetMethod(invokeMethodName,
BindingFlags.Public | BindingFlags.Instance
| BindingFlags.IgnoreCase | BindingFlags.DeclaredOnly |
BindingFlags.InvokeMethod);
if (method == null || method.Attributes.HasFlag(MethodAttributes.Abstract) ||
method.Attributes.HasFlag(MethodAttributes.SpecialName))
{
return(null);
}
ApiAction action;
if (Actions.TryGetValue(method, out action) == false)
{
action = new ApiAction(method)
{
Name = methodName,
ApiVersion = apiver
};
action.InitFilters();
Actions.TryAdd(method, action);
}
return(action);
}
catch (AmbiguousMatchException e)
{
Trace.WriteLine(e.Message);
return(null);
}
}