public void Check(EMail mail)
{
// Bootstrapping
var ruleChecker =
new RuleChecker(
new List<ISpamRule>
{
new MyFirstRule(),
new MySecondRule(),
// …
});
ruleChecker.CheckMail(mail);
// ...
}
public SpamResult CheckMail(EMail mail)
{
foreach (var rule in _rules)
{
var result = rule.CheckMail(mail);
if (result != SpamResult.Unknown)
return result;
}
return SpamResult.Unknown;
}
private static SpamResult TestRule2(EMail mail)
{
// I don’t care about the concrete rules
return SpamResult.Ok;
}
public SpamResult CheckMail(EMail mail)
{
// I don’t care about this
return SpamResult.Ok;
}
public SpamResult CheckMail(EMail mail)
{
var result = TestRule1(mail);
if (result != SpamResult.Unknown)
return result;
result = TestRule2(mail);
if (result != SpamResult.Unknown)
return result;
// …
return SpamResult.Unknown;
}