@GET
  @Path("/like/{reqUrl}")
  @Produces("application/plain-text")
  public Response likePoi(@PathParam("reqUrl") String req) {
    // Parse req
    String[] reqs = req.split("\\+");
    PlusOne plus = new PlusOne(Long.valueOf(reqs[0]), reqs[1], Boolean.valueOf(reqs[2]));
    PoiData poidata = dao.findPoiById(plus.getPoId());
    poidata.updateSum(plus.getBool());

    return Response.ok().build();
  }