/// <summary>
/// Overrides the ConvertFrom method of TypeConverter.
/// </summary>
/// <param name="context"></param>
/// <param name="culture"></param>
/// <param name="value"></param>
/// <returns></returns>
public override object ConvertFrom(ITypeDescriptorContext context,
System.Globalization.CultureInfo culture, object value)
{
// check if we care about it
if (value as string != null)
{
// ============================================================================
// Note: I know that there is some duplication of work going on here.
// For example, CreditCardNumberAttribute calls into CreditCardNumber
// in order to validate. We do this in order to have a common exception. We
// discussed the fact that some duplication of effort was going to occur and
// we are ok with this. We felt it was best to provide clear cut and concise
// classes as opposed to going for pure performance. This will lead to more
// maintainable code.
// ============================================================================
// trim it
string creditCardNumber = Convert.ToString(value).Trim();
// we want to throw the exception defined in the attribute validator.
CreditCardNumberAttribute attribute = new CreditCardNumberAttribute();
attribute.Validate(creditCardNumber);
// if here we are still good.
return(new CreditCardNumber(creditCardNumber));
}
else
{
return(base.ConvertFrom(context, culture, value));
}
}
public void Test_CreditCardNumber(string ccn)
{
var attribute = new CreditCardNumberAttribute();
var result = attribute.IsValid(ccn);
Assert.IsTrue(result);
}
private static Attribute ConvertToCreditCardNumber(XmlNhvmRuleConverterArgs rule)
{
NhvmCreditcardnumber creditCardNumberRule = (NhvmCreditcardnumber)rule.schemaRule;
CreditCardNumberAttribute thisAttribute = new CreditCardNumberAttribute();
log.Info("Converting to CreditCardNumberAttribute");
if (creditCardNumberRule.message != null)
{
thisAttribute.Message = creditCardNumberRule.message;
}
AssignTagsFromString(thisAttribute, creditCardNumberRule.tags);
return(thisAttribute);
}
public void KnownRulesConvertAssing()
{
NhvMapping map = XmlMappingLoader.GetXmlMappingFor(typeof(WellKnownRules));
NhvmClass cm = map.@class[0];
XmlClassMapping rm = new XmlClassMapping(cm);
MemberInfo mi;
List <Attribute> attributes;
mi = typeof(WellKnownRules).GetField("AP");
attributes = new List <Attribute>(rm.GetMemberAttributes(mi));
Assert.AreEqual("A string value", ((ACustomAttribute)attributes[0]).Value1);
Assert.AreEqual(123, ((ACustomAttribute)attributes[0]).Value2);
Assert.AreEqual("custom message", ((ACustomAttribute)attributes[0]).Message);
mi = typeof(WellKnownRules).GetField("StrProp");
attributes = new List <Attribute>(rm.GetMemberAttributes(mi));
NotEmptyAttribute nea = FindAttribute <NotEmptyAttribute>(attributes);
Assert.AreEqual("not-empty message", nea.Message);
NotNullAttribute nna = FindAttribute <NotNullAttribute>(attributes);
Assert.AreEqual("not-null message", nna.Message);
NotNullNotEmptyAttribute nnea = FindAttribute <NotNullNotEmptyAttribute>(attributes);
Assert.AreEqual("notnullnotempty message", nnea.Message);
LengthAttribute la = FindAttribute <LengthAttribute>(attributes);
Assert.AreEqual("length message", la.Message);
Assert.AreEqual(1, la.Min);
Assert.AreEqual(10, la.Max);
PatternAttribute pa = FindAttribute <PatternAttribute>(attributes);
Assert.AreEqual("pattern message", pa.Message);
Assert.AreEqual("[0-9]+", pa.Regex);
Assert.AreEqual(RegexOptions.Compiled, pa.Flags);
EmailAttribute ea = FindAttribute <EmailAttribute>(attributes);
Assert.AreEqual("email message", ea.Message);
IPAddressAttribute ipa = FindAttribute <IPAddressAttribute>(attributes);
Assert.AreEqual("ipAddress message", ipa.Message);
EANAttribute enaa = FindAttribute <EANAttribute>(attributes);
Assert.AreEqual("ean message", enaa.Message);
CreditCardNumberAttribute ccna = FindAttribute <CreditCardNumberAttribute>(attributes);
Assert.AreEqual("creditcardnumber message", ccna.Message);
IBANAttribute iban = FindAttribute <IBANAttribute>(attributes);
Assert.AreEqual("iban message", iban.Message);
mi = typeof(WellKnownRules).GetField("DtProp");
attributes = new List <Attribute>(rm.GetMemberAttributes(mi));
FutureAttribute fa = FindAttribute <FutureAttribute>(attributes);
Assert.AreEqual("future message", fa.Message);
PastAttribute psa = FindAttribute <PastAttribute>(attributes);
Assert.AreEqual("past message", psa.Message);
mi = typeof(WellKnownRules).GetField("DecProp");
attributes = new List <Attribute>(rm.GetMemberAttributes(mi));
DigitsAttribute dga = FindAttribute <DigitsAttribute>(attributes);
Assert.AreEqual("digits message", dga.Message);
Assert.AreEqual(5, dga.IntegerDigits);
Assert.AreEqual(2, dga.FractionalDigits);
MinAttribute mina = FindAttribute <MinAttribute>(attributes);
Assert.AreEqual("min message", mina.Message);
Assert.AreEqual(100, mina.Value);
MaxAttribute maxa = FindAttribute <MaxAttribute>(attributes);
Assert.AreEqual("max message", maxa.Message);
Assert.AreEqual(200, maxa.Value);
DecimalMaxAttribute decimalmaxa = FindAttribute <DecimalMaxAttribute>(attributes);
Assert.AreEqual("decimal max message", decimalmaxa.Message);
Assert.AreEqual(200.1m, decimalmaxa.Value);
DecimalMinAttribute decimalmina = FindAttribute <DecimalMinAttribute>(attributes);
Assert.AreEqual("decimal min message", decimalmina.Message);
Assert.AreEqual(99.9m, decimalmina.Value);
mi = typeof(WellKnownRules).GetField("BProp");
attributes = new List <Attribute>(rm.GetMemberAttributes(mi));
AssertTrueAttribute ata = FindAttribute <AssertTrueAttribute>(attributes);
Assert.AreEqual("asserttrue message", ata.Message);
AssertFalseAttribute afa = FindAttribute <AssertFalseAttribute>(attributes);
Assert.AreEqual("assertfalse message", afa.Message);
mi = typeof(WellKnownRules).GetField("ArrProp");
attributes = new List <Attribute>(rm.GetMemberAttributes(mi));
SizeAttribute sa = FindAttribute <SizeAttribute>(attributes);
Assert.AreEqual("size message", sa.Message);
Assert.AreEqual(2, sa.Min);
Assert.AreEqual(9, sa.Max);
mi = typeof(WellKnownRules).GetField("Pattern");
attributes = new List <Attribute>(rm.GetMemberAttributes(mi));
PatternAttribute spa = FindAttribute <PatternAttribute>(attributes);
Assert.AreEqual("{validator.pattern}", spa.Message);
Assert.AreEqual(@"\b[A-Z0-9._%+-]+@[A-Z0-9.-]+\.[A-Z]{2,4}\b", spa.Regex);
Assert.AreEqual(RegexOptions.CultureInvariant | RegexOptions.IgnoreCase, spa.Flags);
}
