public static dynamic Setting <TFeatureEnum>(this TFeatureEnum feature,
Enum settingName,
IFeatureManifest <TFeatureEnum> featureManifest)
where TFeatureEnum : struct
{
Ensure.That <ArgumentNullException>(featureManifest.IsNotNull(),
"featureManifest not supplied.")
.And <FeatureNotAvailableException>(feature.IsAvailable(featureManifest),
string.Format("Specified feature '{0}' is unavailable.",
Enum.GetName(typeof(TFeatureEnum),
feature)));
try {
//todo: refactor
string enumItemName = Enum.GetName(settingName.GetType(), settingName);
FieldInfo enumItemMember = settingName.GetType().GetField(enumItemName);
string enumItemFullName = null;
if (enumItemMember != null)
{
var attribute = (FeatureSettingAttribute)
enumItemMember.GetCustomAttributes(typeof(FeatureSettingAttribute), false)
.FirstOrDefault();
if (attribute != null)
{
enumItemFullName = attribute.FullName;
}
}
return(featureManifest[feature].Settings[enumItemFullName ?? enumItemName]);
} catch (Exception e) {
throw new Exception(string.Format("Unable to find setting \"{0}\".", settingName), e);
}
}
public static bool IsAvailable <TFeatureEnum>(this TFeatureEnum feature,
IFeatureManifest <TFeatureEnum> featureManifest)
where TFeatureEnum : struct
{
Ensure.That <ArgumentNullException>(featureManifest.IsNotNull(),
"featureManifest not supplied.");
try {
return(featureManifest[feature].IsAvailable);
} catch (KeyNotFoundException e) {
throw new FeatureNotConfiguredException <TFeatureEnum>(feature, e);
}
}