How to get user with their respective role

Hi,

I want to get role of user by which I login.

I tried below sample code it shows all the roles at system level

for (ReferenceType roleRef : vcloudClient.getVcloudAdmin().getRoleRefs()) {
                Role role = Role.getRoleByReference(vcloudClient, roleRef);
                System.out.println("Role Name :" + role.getResource().getName()+"   Desc   "+role.getResource().getDescription());
            }

I want to get login user with their respective role at system as well as org level.How can I do that??

Pls help.

Thanks