/**
* Adds a given role to this manager.
*
* @param role the role to add, cannot be <code>null</code>. If it is already contained by this
* manager, this method will not do anything.
* @return the given role if added, <code>null</code> otherwise.
*/
public Role addRole(String name, int type) {
if ((name == null) || "".equals(name.trim())) {
throw new IllegalArgumentException("Name cannot be null or empty!");
}
if (type != Role.GROUP && type != Role.USER) {
throw new IllegalArgumentException("Invalid role type!");
}
checkPermissions();
try {
Role result = m_store.addRole(name, type);
if (result != null) {
result = wireChangeListener(result);
m_roleChangeReflector.roleAdded(result);
}
return result;
} catch (Exception e) {
throw new BackendException("Adding role " + name + " failed!", e);
}
}
