String nameSpace = key.getNamespace();
if (!nameSpace.isEmpty()) {
reference.setNameSpace(nameSpace);
}
Path path = reference.getMutablePath();
while (key != null) {
Element pathElement = new Element();
pathElement.setType(key.getKind());
if (key.getName() != null) {
pathElement.setName(key.getName());
} else if (key.getId() != Key.NOT_ASSIGNED) {
pathElement.setId(key.getId());
}
path.addElement(pathElement);
key = key.getParent();
}
Collections.reverse(path.mutableElements());
return reference;
}