/// <summary>
/// Gets a date as a string, applying the appropriate formatting
/// specified in the text file mapping attribute, if specified
/// </summary>
/// <param name="value">DateTime value to format</param>
/// <param name="mappingAttribute">Mapping attribute with formatting information</param>
/// <returns>Formatted DateTime string</returns>
public static string GetDateAsString(DateTime value, TextFileMappingAttribute mappingAttribute)
{
if (mappingAttribute.DateTimeFormat != null)
{
return(value.ToString(mappingAttribute.DateTimeFormat));
}
return(value.ToString());
}
/// <summary>
/// Retrieve a converter for the specified property
/// </summary>
/// <param name="info">Property info</param>
/// <param name="attribute">Tax mapping attribute</param>
/// <returns>An IConvertAndSet instance that will provide string conversion for the specified property</returns>
public static IConvertAndSet Get(PropertyInfo info, TextFileMappingAttribute attribute)
{
Type converterType;
if (_converters.TryGetValue(info.PropertyType, out converterType))
{
var converter = (IConvertAndSet)Activator.CreateInstance(converterType);
converter.Setup(info, attribute);
return(converter);
}
throw new NotImplementedException($"No converter available for target type {info.PropertyType} which is required for target property \"{info.Name}\"");
}
/// <summary>
/// Parse a string value to a DateTime, using formatting
/// hints provided in the TextFileMappingAttribute associated
/// with the property, if provided.
/// </summary>
/// <param name="value">String value to parse to a DateTime</param>
/// <param name="mappingAttribute">Mapping attribute for the property</param>
/// <returns>DateTime parsed from value</returns>
public static DateTime ParseDate(string value, TextFileMappingAttribute mappingAttribute)
{
DateTime parsedDate = DateTime.MinValue;
if (mappingAttribute.DateTimeFormat != null)
{
parsedDate = DateTime.ParseExact(value, mappingAttribute.DateTimeFormat, null);
}
else
{
parsedDate = DateTime.Parse(value);
}
return(parsedDate);
}
/// <summary>
/// Setup the converter, assigning it to a property and
/// providing additional mapping information
/// </summary>
/// <param name="propertyInfo">Property this converter is assigned to</param>
/// <param name="mapper">Additional mapping information</param>
public virtual void Setup(PropertyInfo propertyInfo, TextFileMappingAttribute mapper)
{
this.MappingAttribute = mapper;
this.Setter = (Action <TRow, TTarget>)propertyInfo.GetSetMethod().CreateDelegate(typeof(Action <TRow, TTarget>));
this.Getter = (Func <TRow, TTarget>)propertyInfo.GetGetMethod().CreateDelegate(typeof(Func <TRow, TTarget>));
}
