public static IFieldValueConverter GetConverter(Type t)
{
if (!DefaultFieldValueConverter.SupportsType(t.Name) &&
t.GetInterface("IFieldDataType") == null)
{
throw new ArgumentException("The provided type is not a valid field or does not implement the interface IFieldDataType");
}
var attribs = t.GetCustomAttributes(typeof(FieldValueConverterAttribute), false).AsEnumerable();
var defConverter = new DefaultFieldValueConverter {
DataType = t
};
if (attribs.IsNullOrEmpty()) // no custom converter was found. return the default converter
{
return(defConverter);
}
var attrib = attribs.FirstOrDefault() as FieldValueConverterAttribute;
if (attrib == null)
{
return(defConverter);
}
try {
var converterInstance = Activator.CreateInstance(attrib.ConverterType) as IFieldValueConverter;
if (converterInstance == null)
{
// the provided converter type does not implement the interface IFieldValueConverter
return(defConverter);
}
converterInstance.DataType = t;
return(converterInstance);
}
catch (Exception) {
// an error has occurred instantiating the converter type
// cannot get the custom converter. return the default one
return(defConverter);
}
}
public static IFieldValueConverter GetConverter(Type t)
{
if (!DefaultFieldValueConverter.SupportsType(t.Name) &&
t.GetInterface("IFieldDataType") == null ) {
throw new ArgumentException("The provided type is not a valid field or does not implement the interface IFieldDataType");
}
var attribs = t.GetCustomAttributes(typeof(FieldValueConverterAttribute), false).AsEnumerable();
var defConverter = new DefaultFieldValueConverter { DataType = t };
if (attribs.IsNullOrEmpty()) { // no custom converter was found. return the default converter
return defConverter;
}
var attrib = attribs.FirstOrDefault() as FieldValueConverterAttribute;
if (attrib == null) {
return defConverter;
}
try {
var converterInstance = Activator.CreateInstance(attrib.ConverterType) as IFieldValueConverter;
if (converterInstance == null) {
// the provided converter type does not implement the interface IFieldValueConverter
return defConverter;
}
converterInstance.DataType = t;
return converterInstance;
}
catch (Exception) {
// an error has occurred instantiating the converter type
// cannot get the custom converter. return the default one
return defConverter;
}
}
