/// <summary>
/// Formatea un campo cuyo valor es una cadena de caracteres.
/// </summary>
/// <param name="header">
/// Es el cabezal a formatear.
/// </param>
/// <param name="formatterContext">
/// Es el contexto de formateo que debe ser empleado.
/// </param>
public virtual void Format(MessageHeader header,
ref FormatterContext formatterContext)
{
string headerValue = null;
if (header != null)
{
if (!(header is StringMessageHeader))
{
throw new ArgumentException(SR.StringHeaderExpected, "header");
}
headerValue = (( StringMessageHeader)header).Value;
}
// Pad if padding available.
if (_padding != null)
{
headerValue = _padding.Pad(headerValue,
_lengthManager.MaximumLength);
}
if (headerValue == null)
{
_lengthManager.WriteLength(header, 0, 0, ref formatterContext);
_lengthManager.WriteLengthTrailer(header, 0, 0, ref formatterContext);
}
else
{
_lengthManager.WriteLength(header, headerValue.Length,
_encoder.GetEncodedLength(headerValue.Length),
ref formatterContext);
_encoder.Encode(headerValue, ref formatterContext);
_lengthManager.WriteLengthTrailer(header, headerValue.Length,
_encoder.GetEncodedLength(headerValue.Length),
ref formatterContext);
}
}
/// <summary>
/// Formatea un campo cuyo valor es una cadena de caracteres.
/// </summary>
/// <param name="field">
/// Es el campo a formatear.
/// </param>
/// <param name="formatterContext">
/// Es el contexto de formateo que debe ser empleado.
/// </param>
public override void Format(Field field,
ref FormatterContext formatterContext)
{
if (!(field is StringField))
{
throw new ArgumentException(SR.StringMessageFieldExpected, "field");
}
string fieldValue = (( StringField)field).FieldValue;
// Pad if padding available.
if (_padding != null)
{
fieldValue = _padding.Pad(fieldValue, _lengthManager.MaximumLength);
}
if (_validator != null)
{
_validator.Validate(fieldValue);
}
if (fieldValue == null)
{
_lengthManager.WriteLength(field, 0, 0, ref formatterContext);
_lengthManager.WriteLengthTrailer(field, 0, 0, ref formatterContext);
}
else
{
_lengthManager.WriteLength(field, fieldValue.Length,
_encoder.GetEncodedLength(fieldValue.Length),
ref formatterContext);
_encoder.Encode(fieldValue, ref formatterContext);
_lengthManager.WriteLengthTrailer(field, fieldValue.Length,
_encoder.GetEncodedLength(fieldValue.Length),
ref formatterContext);
}
}