private void updateRoles() {
final User user = this.getInstance();
final List<Integer> addedRoles = new ArrayList<Integer>();
final List<Integer> removedRoles = new ArrayList<Integer>();
for (final UIRoleUserData role : roles) {
if (role.getChecked() && !user.isInRole(role.getId())) addedRoles.add(role.getId());
else if (!role.getChecked() && user.isInRole(role.getId())) removedRoles.add(role.getId());
}
for (final Integer role : removedRoles) user.removeRole(role);
for (final Integer role : addedRoles) user.addRole(EntityUtilities.getRoleFromId(role));
}
public void populate() {
this.roles = EntityUtilities.getUserRoles(this.getInstance());
}