public boolean validateValue(Delegable delegable) {
try {
String configuration = delegable.getDelegationConfiguration();
Parser parser = new Parser(new ByteArrayInputStream(configuration.getBytes()));
while(!parser.Line()) {
parser.popNode();
}
return configuration.trim().length() > 0;
} catch (ParseException e) {
DesignerLogger.logErrorWithoutDialog("BSH parser exception", e);
return false;