private static string GetMessage(Type sourceType, Type destType, FailureReasonOptions failureReason, PropertyInfo destProperty)
{
if (sourceType == null)
throw new ArgumentNullException("sourceType");
if (destType == null)
throw new ArgumentNullException("destType");
string explanation;
if (failureReason == FailureReasonOptions.NoParameterLessConstructor)
explanation = "no parameter-less constructor available";
else if (failureReason == FailureReasonOptions.UnableToMapProperty)
{
if (destProperty == null)
throw new ArgumentException("destProperty may not be null if failureReason is UnableToMapProperty");
explanation = "unable to map property \"" + destProperty.Name + "\"";
}
else
throw new ArgumentOutOfRangeException("failureReason");
return string.Format(
"Unable to map type {0} to type {1} by property-setting, {2}",
sourceType,
destType,
explanation
);
}
public ConstructorOptionFailureDetails(ConstructorInfo constructor, FailureReasonOptions failureReason, ParameterInfo constructorArgumentWhereApplicable)
{
if (constructor == null)
throw new ArgumentNullException("constructor");
if (!Enum.IsDefined(typeof(FailureReasonOptions), failureReason))
throw new ArgumentOutOfRangeException("failureReason");
if ((failureReason == FailureReasonOptions.UnableToMapConstructorArgument) && (constructorArgumentWhereApplicable == null))
throw new ArgumentException("constructorArgumentWhereApplicable must not be null if failureReason is UnableToMapConstructorArgument");
if ((failureReason != FailureReasonOptions.UnableToMapConstructorArgument) && (constructorArgumentWhereApplicable != null))
throw new ArgumentException("constructorArgumentWhereApplicable must be null if failureReason is anything other than UnableToMapConstructorArgument");
Constructor = constructor;
FailureReason = failureReason;
ConstructorArgumentWhereApplicable = constructorArgumentWhereApplicable;
}
public ByPropertyMappingFailureException(Type sourceType, Type destType, FailureReasonOptions failureReason, PropertyInfo destProperty)
: base(GetMessage(sourceType, destType, failureReason, destProperty), sourceType, destType)
{
if (failureReason == FailureReasonOptions.NoParameterLessConstructor)
{
if (destProperty != null)
throw new ArgumentException("destProperty must be null if failureReason is NoParameterLessConstructor");
}
else if (failureReason == FailureReasonOptions.UnableToMapProperty)
{
if (destProperty == null)
throw new ArgumentException("destProperty must not be be null if failureReason is UnableToMapProperty");
}
else
throw new ArgumentOutOfRangeException("failureReason");
FailureReason = failureReason;
DestProperty = destProperty;
}
