private void PerformValueConversion(ref object value, out string valueRetrievalFailureMessage)
{
valueRetrievalFailureMessage = null;
if (this.integrationProxy.ProvidesCustomValueConversion)
{
ValueConvertEventArgs eventArgs = new ValueConvertEventArgs(value,
this.validatedProperty.PropertyType,
this.integrationProxy,
this.validatedProperty.Name);
this.integrationProxy.PerformCustomValueConversion(eventArgs);
if (eventArgs.ConversionErrorMessage == null)
{
value = eventArgs.ConvertedValue;
}
else
{
value = null;
valueRetrievalFailureMessage = eventArgs.ConversionErrorMessage;
}
}
else
{
if (value != null)
{
if (value.GetType() == this.validatedProperty.PropertyType)
{
return;
}
try
{
TypeConverter converter = TypeDescriptor.GetConverter(this.validatedProperty.PropertyType);
value = converter.ConvertFrom(null, CultureInfo.CurrentCulture, value);
}
catch (Exception e)
{
if (e.InnerException is FormatException)
{
value = null;
valueRetrievalFailureMessage = string.Format(
CultureInfo.CurrentCulture,
Resources.ErrorCannotPerfomDefaultConversion,
value,
this.validatedProperty.PropertyType.FullName);
}
else
{
throw;
}
}
}
}
}
protected void CustomConvert(object sender, ValueConvertEventArgs args)
{
string valueToConvert = args.ValueToConvert as string;
if (valueToConvert != null)
{
char[] chars = valueToConvert.ToCharArray();
Array.Reverse(chars);
args.ConvertedValue = Int32.Parse(new string(chars));
}
else
{
args.ConvertedValue = null;
}
}
protected void dateOfBirthValidator_ValueConvert(object sender, Microsoft.Practices.EnterpriseLibrary.Validation.Integration.ValueConvertEventArgs e)
{
string value = e.ValueToConvert as string;
DateTime convertedValue;
bool success = DateTime.TryParse(value, System.Globalization.CultureInfo.CurrentCulture, System.Globalization.DateTimeStyles.None, out convertedValue);
if (success)
{
e.ConvertedValue = convertedValue;
}
else
{
e.ConversionErrorMessage = "Date Of Birth is not in the correct format.";
e.ConvertedValue = null;
}
}
protected void rewardsPointsValidator_ValueConvert(object sender, Microsoft.Practices.EnterpriseLibrary.Validation.Integration.ValueConvertEventArgs e)
{
string value = e.ValueToConvert as string;
int convertedValue;
bool success = Int32.TryParse(value, out convertedValue);
if (success)
{
e.ConvertedValue = convertedValue;
}
else
{
e.ConversionErrorMessage = "Rewards points is not a valid integer";
e.ConvertedValue = null;
}
}
private void PerformValueConversion(ref object value, out string valueRetrievalFailureMessage)
{
valueRetrievalFailureMessage = null;
if (this.integrationProxy.ProvidesCustomValueConversion)
{
ValueConvertEventArgs eventArgs = new ValueConvertEventArgs(value,
this.validatedProperty.PropertyType,
this.integrationProxy,
this.validatedProperty.Name);
this.integrationProxy.PerformCustomValueConversion(eventArgs);
if (eventArgs.ConversionErrorMessage == null)
{
value = eventArgs.ConvertedValue;
}
else
{
value = null;
valueRetrievalFailureMessage = eventArgs.ConversionErrorMessage;
}
}
else
{
if (value != null)
{
if (value.GetType() == this.validatedProperty.PropertyType)
{
return;
}
try
{
TypeConverter converter = TypeDescriptor.GetConverter(this.validatedProperty.PropertyType);
value = converter.ConvertFrom(null, CultureInfo.CurrentCulture, value);
}
catch (Exception e)
{
if (e.InnerException is FormatException)
{
value = null;
valueRetrievalFailureMessage = string.Format(
CultureInfo.CurrentCulture,
Resources.ErrorCannotPerfomDefaultConversion,
value,
this.validatedProperty.PropertyType.FullName);
}
else
{
throw;
}
}
}
}
}
public void PerformCustomValueConversion(ValueConvertEventArgs e)
{
if (ValueConvert != null)
{
ValueConvert(this, e);
}
}
void OnValueConvertWithFailure(object source,
ValueConvertEventArgs e)
{
valueToConvert = e.ValueToConvert;
originalConvertedValue = e.ConvertedValue;
e.ConversionErrorMessage = conversionErrorMessage;
}
void OnValueConvert(object source,
ValueConvertEventArgs e)
{
valueToConvert = e.ValueToConvert;
originalConvertedValue = e.ConvertedValue;
e.ConvertedValue = convertedValue;
}
protected void CustomConvert(object sender, ValueConvertEventArgs args)
{
args.ConversionErrorMessage = "custom conversion error message";
}
/// <summary>
/// Performs the custom value conversion.
/// </summary>
/// <param name="e">The <see cref="T:Microsoft.Practices.EnterpriseLibrary.Validation.Integration.ValueConvertEventArgs"/> instance containing the event data.</param>
public void PerformCustomValueConversion(ValueConvertEventArgs e)
{
throw new NotSupportedException("The method or operation is not supported.");
}
public void PerformCustomValueConversion(ValueConvertEventArgs e)
{
}
protected void AmountValueConvert(object sender, ValueConvertEventArgs e)
{
double convertedValue;
if (double.TryParse(e.ValueToConvert as string, NumberStyles.AllowDecimalPoint, NumberFormatInfo.CurrentInfo, out convertedValue))
{
e.ConvertedValue = convertedValue;
}
else
{
e.ConversionErrorMessage = Properties.Resources.AmountRangeTypeValidation;
e.ConvertedValue = null;
}
}
void IValidationIntegrationProxy.PerformCustomValueConversion(ValueConvertEventArgs e)
{
if (Converter != null)
{
try
{
e.ConvertedValue = Converter.ConvertBack(e.ValueToConvert, e.TargetType, ConverterParameter,
ConverterCulture);
}
catch (Exception x)
{
e.ConversionErrorMessage = x.Message;
}
}
}
