/**
* If the value holds a single field reference "{like.this}", converts it to a Java Expression.
*
* <p>In any other case (e.g. more than one field reference), an UnableToCompleteException is
* thrown.
*/
public String parse(XMLElement source, String value) throws UnableToCompleteException {
if ("".equals(value.trim())) {
logger.die(
source, "Cannot use empty value as type %s", FieldReference.renderTypesList(types));
}
try {
return converter.convert(source, value, new FieldReferenceDelegate(types));
} catch (IllegalFieldReferenceException e) {
logger.die(
source,
"Cannot parse value: \"%s\" as type %s",
value,
FieldReference.renderTypesList(types));
return null; // Unreachable
}
}
