}
if (url != null) {
model.add(implNode, URL, vf.createLiteral(url));
}
if (user != null) {
model.add(implNode, USER, vf.createLiteral(user));
}
if (password != null) {
model.add(implNode, PASSWORD, vf.createLiteral(password));
}
model.add(implNode, MAX_TRIPLE_TABLES, vf.createLiteral(maxTripleTables));