* @see org.apache.jetspeed.security.spi.SecurityMappingHandler#getRolePrincipals(java.lang.String)
*/
public Set getRolePrincipals(String username)
{
Set rolePrincipals = new HashSet();
InternalUserPrincipal internalUser = commonQueries.getInternalUserPrincipal(username);
if (null != internalUser)
{
Collection internalRoles = internalUser.getRolePrincipals();
if (null != internalRoles)
{
Iterator internalRolesIter = internalRoles.iterator();
while (internalRolesIter.hasNext())
{