/// <summary>
/// Cleans the value according to the field's data format and maximum length.
/// </summary>
/// <param name="field">the field</param>
/// <param name="value">the value</param>
/// <returns>the sanitized field</returns>
protected static string CleanValue(RequestFieldNames field, string value)
{
value = value ?? string.Empty; // get rid of null
value = value.Trim();
// could throw exception but we don't care about cropped addresses in their system because our system remembers the original string, except for the CC-related things.
if (value.Length > MaxLengths[field])
{
value = value.Substring(0, MaxLengths[field]);
}
if (NumericFields.Contains(field))
{
if (!Regex.Match(value, @"^[0-9]{0," + MaxLengths[field] + "}$").Success)
{
throw new ArgumentException(String.Format("Field {0} was not a number of the proper length (value={1}).", GetField(field), value));
}
}
if (DollarFields.Contains(field))
{
if (!("0" == value || Regex.Match(value, @"^[0-9]{0,6}\.[0-9]{0,2}$").Success))
{
throw new ArgumentException(String.Format("Field {0} was not a dollar amount (value={1}).", GetField(field), value));
}
}
return(value);
}
/// <summary>
/// Adds a new child xml node to the transaction.
/// </summary>
/// <param name="xml">the xml request</param>
/// <param name="transaction">the transaction in it</param>
/// <param name="field">the field name to be added</param>
/// <param name="value">the value to be added</param>
protected static void AddChild(XmlDocument xml, XmlNode transaction, RequestFieldNames field, string value)
{
XmlNode n = xml.CreateNode(XmlNodeType.Element, GetField(field), string.Empty);
value = CleanValue(field, value);
n.InnerText = value;
transaction.AppendChild(n);
}
/// <summary>
/// Given a field, return the field name.
/// </summary>
/// <param name="f">the field</param>
/// <returns>the field name</returns>
public static string GetField(RequestFieldNames f)
{
return(Enum.GetName(typeof(RequestFieldNames), f));
}
