/// <summary>
/// Handles any defined global parameter that has any input
/// </summary>
private void HandleDefinedGlobals(Dictionary <string, string> args, object obj)
{
var globals = GetDefinedGlobals();
foreach (var method in globals)
{
var att = method.GetAttribute <GlobalAttribute>();
var name = att.Name ?? method.Name;
var allNames = new[] { name }.Union(att.Aliases.CommaSplit());
var key = args.Keys.FirstOrDefault(
k => allNames.Any(
n => n.Equals(k, StringComparison.InvariantCultureIgnoreCase)));
if (key != null)
{
var parameters = method.GetParameters();
if (parameters.Length == 0)
{
MethodInvoker.Invoke(method, obj, null);
}
else if (parameters.Length == 1)
{
string stringValue;
if (args.TryGetValue(key, out stringValue))
{
var p = parameters.First();
var value = ValuesFactory.GetValueForParameter(p, p.ParameterType, key, stringValue);
// validation
//
if (value != null && p.HasAttribute <ValidationAttribute>())
{
var parameterValidators = p.GetAttributes <ValidationAttribute>().Select(a => a.GetValidator());
// all validators must pass
//
foreach (var validator in parameterValidators)
{
validator.Validate(new ValueInfo(p.Name, p.ParameterType, value));
}
}
var validators = method.GetInterfaceAttributes <ICollectionValidation>().
Select(a => a.GetValidator());
foreach (var validator in validators)
{
validator.Validate(new[]
{
new ValueInfo(p.Name, p.ParameterType, value),
});
}
MethodInvoker.Invoke(method, obj, new[] { value });
}
}
else
{
throw new NotSupportedException(
"Method {0} has more than one parameter and cannot be handled as a global handler".FormatWith(method.Name));
}
// remove it so later we'll see which ones were not handled
//
args.Remove(key);
}
}
}
