private static T CreateTypedObject <T>(DataRow row, CultureInfo culture, IEnumerable <ValueConverterDefinition> converterDefinitions)
{
var obj = Activator.CreateInstance <T>();
var objType = obj.GetType();
var dataMemberProps = objType.GetProperties()
.Where(p => Attribute.IsDefined(p, typeof(DataMemberAttribute)))
.ToList();
var dataFieldsProps = objType.GetProperties()
.Where(p => Attribute.IsDefined(p, typeof(DataFieldAttribute)))
.ToList();
foreach (DataColumn column in row.Table.Columns)
{
bool isRequired = false;
// get the property
var property = objType.GetProperty(column.ColumnName.Trim(), BindingFlags.Instance | BindingFlags.Public | BindingFlags.NonPublic);
if (property == null && dataFieldsProps.Any())
{
// look for [DataField] attribute
property = dataFieldsProps.FirstOrDefault(p => ((DataFieldAttribute)Attribute.GetCustomAttribute(p, typeof(DataFieldAttribute))).Name == column.ColumnName);
if (property != null)
{
isRequired = ((DataFieldAttribute)Attribute.GetCustomAttribute(property, typeof(DataFieldAttribute))).IsRequired;
}
}
if (property == null && dataMemberProps.Any())
{
// otherwise look for [DataMember] attribute
property = dataMemberProps.FirstOrDefault(p => ((DataMemberAttribute)Attribute.GetCustomAttribute(p, typeof(DataMemberAttribute))).Name == column.ColumnName);
if (property != null)
{
isRequired = ((DataMemberAttribute)Attribute.GetCustomAttribute(property, typeof(DataMemberAttribute))).IsRequired;
}
}
if (property != null)
{
object value = row[column.ColumnName];
if (value == null && isRequired)
{
// When required but null, throw
throw new NoNullAllowedException(column.ColumnName);
}
else
{
// when converters exits convert the value
if (converterDefinitions != null)
{
foreach (var converterDef in converterDefinitions.Where(x => x.FieldName == column.ColumnName))
{
value = converterDef.Converter.Convert(value, property.PropertyType, converterDef.ConverterParameter, culture);
}
}
object tgtValue = ConvertExtensions.ChangeTypeExtended(value, property.PropertyType, culture);
property.SetValue(obj, tgtValue, null);
}
}
}
return(obj);
}
