For RTC, QM, RDNG it is possibl eto use the RTC Plain Java Client libraries and the code would be the same like below. I have no example for OSLC. Most likely there is no OSLC spec. There might be REST services you could use.


    /**
     * Adds users and roles to a project area.
     *
     * @param teamRepository
     * @param area
     * @param monitor
     * @return
     * @throws TeamRepositoryException
     */
    private IProjectArea addUsersAndRoles(ITeamRepository teamRepository,
            IProjectArea area, String userID, String roleID, IProgressMonitor monitor)
            throws TeamRepositoryException {

        IProcessItemService service = (IProcessItemService) teamRepository
                .getClientLibrary(IProcessItemService.class);
        area = (IProjectArea) service.getMutableCopy(area);
        System.out.println("Trying to add member with roles: "
                + roleID + " to Project Area" + area.getName());

        IContributor user = teamRepository.contributorManager().fetchContributorByUserId(userID, monitor);
        //area.addAdministrator(user);
        area.addMember(user);

       
        IRole role = getRole(area, roleID, monitor);
        area.addRoleAssignments(user, new IRole[] { role });
        @SuppressWarnings("unused")
        IProcessItem[] items = service.save(new IProcessItem[] { area },
                monitor);
        System.out.println("Users with Roles added to " + area.getName());
        return area;
    }

    /**
     * Gets a role by its ID.
     *
     * @param area
     * @param roleID
     * @param monitor
     * @return
     * @throws TeamRepositoryException
     */
    private IRole getRole(IProcessArea area, String roleID,
            IProgressMonitor monitor) throws TeamRepositoryException {
        ITeamRepository repo = (ITeamRepository) area.getOrigin();
        IProcessItemService service = (IProcessItemService) repo
                .getClientLibrary(IProcessItemService.class);
        IClientProcess clientProcess = service.getClientProcess(area, monitor);
        IRole[] availableRoles = clientProcess.getRoles(area, monitor);
        for (int i = 0; i < availableRoles.length; i++) {
            IRole role = availableRoles[i];
            // IRole2 role2 = (IRole2)role;
            // role2.getRoleName();
            if (role.getId().equalsIgnoreCase(roleID))
                return role;
        }
        throw new IllegalArgumentException("Couldn't find roles");
    }