public synchronized void addRoleMapping ( final String roleName ) { HashMap < String , RoleMappingImpl > newRoles = new HashMap < String , RoleMappingImpl > ( roleMappings ) ; if ( newRoles . containsKey ( roleName ) == false ) { newRoles . put ( roleName , new RoleMappingImpl ( roleName ) ) ; roleMappings = Collections . unmodifiableMap ( newRoles ) ; } }
Adds a new role to the list of defined roles .