/**
* Creates a new FieldMapping instance and populates its properties from
* the given XML Element
* @param parent
* @param element
* @return a new FieldMapping instance
* @throws ADKConfigException If the FieldMapping cannot read expected
* values from the DOM Node
*/
public static FieldMapping FromXml(
ObjectMapping parent,
XmlElement element)
{
if (element == null)
{
throw new ArgumentException("Argument: 'element' cannot be null");
}
String name = element.GetAttribute(ATTR_NAME);
FieldMapping fm = new FieldMapping();
fm.SetNode(element);
fm.FieldName = name;
fm.DefaultValue = XmlUtils.GetAttributeValue(element, ATTR_DEFAULT);
fm.Alias = XmlUtils.GetAttributeValue(element, ATTR_ALIAS);
fm.ValueSetID = XmlUtils.GetAttributeValue(element, ATTR_VALUESET);
String ifNullBehavior = element.GetAttribute(ATTR_IFNULL);
if (ifNullBehavior.Length > 0)
{
if (String.Compare(ifNullBehavior, "default", true) == 0)
{
fm.NullBehavior = MappingBehavior.IfNullDefault;
}
else if (String.Compare(ifNullBehavior, "suppress", true) == 0)
{
fm.NullBehavior = MappingBehavior.IfNullSuppress;
}
}
String dataType = element.GetAttribute(ATTR_DATATYPE);
if (dataType != null && dataType.Length > 0)
{
try
{
fm.DataType = (SifDataType)Enum.Parse(typeof(SifDataType), dataType, true);
}
catch (FormatException iae)
{
Adk.Log.Warn("Unable to parse datatype '" + dataType + "' for field " + name, iae);
}
}
String filtVer = element.GetAttribute(ATTR_SIFVERSION);
String filtDir = element.GetAttribute(ATTR_DIRECTION);
if (!(String.IsNullOrEmpty(filtVer)) || !(String.IsNullOrEmpty(filtDir)))
{
MappingsFilter filt = new MappingsFilter();
if (!String.IsNullOrEmpty(filtVer))
{
filt.SifVersion = filtVer;
}
if (!String.IsNullOrEmpty(filtDir))
{
if (String.Compare(filtDir, "inbound", true) == 0)
{
filt.Direction = MappingDirection.Inbound;
}
else if (String.Compare(filtDir, "outbound", true) == 0)
{
filt.Direction = MappingDirection.Outbound;
}
else
{
throw new AdkConfigException(
"Field mapping rule for " + parent.ObjectType + "." + fm.FieldName +
" specifies an unknown Direction flag: '" + filtDir + "'");
}
}
fm.Filter = filt;
}
// FieldMapping must either have node text or an <otherid> child
XmlElement otherIdNode = XmlUtils.GetFirstElementIgnoreCase(element, "otherid");
if (otherIdNode == null)
{
String def = element.InnerText;
if (def != null)
{
fm.SetRule(def);
}
else
{
fm.SetRule("");
}
}
else
{
fm.SetRule(OtherIdMapping.FromXml(parent, fm, otherIdNode), otherIdNode);
}
return(fm);
}
