// get roles of user in the group
RoleSet groupRoles = RolePeer.retrieveSet( user, group );
// put the Set into roles(group)
roles.put(group, groupRoles);
// collect all permissoins in this group
PermissionSet groupPermissions = new PermissionSet();
// foreach role in Set
Iterator rolesIterator = groupRoles.elements();
while(rolesIterator.hasNext())
{
Role role = (Role)rolesIterator.next();
// get permissions of the role
PermissionSet rolePermissions = PermissionPeer.retrieveSet(role);
groupPermissions.add(rolePermissions);
}
// put the Set into permissions(group)
permissions.put(group, groupPermissions);
}