PlayerGateway.java

@Path("playerGateway")
@Stateless
@Consumes(MediaType.APPLICATION_JSON)
@Produces(MediaType.APPLICATION_JSON)
public class PlayerGateway {

    private final String hostURI = "http://localhost:8080/";
    private Client client;
    private WebTarget target;

    @PostConstruct
    public void init() {
        client = ClientBuilder.newClient();
        target = client.target(hostURI + "microservice-player/");
    }

    @GET
    @Path("findById")
    public Response findById(@PathParam("id") Long id) {
        WebTarget service = target.path("resources/playerService/findById/" + id);

        Response response;
        try {
            response = service.request().get();
        } catch (ProcessingException e) {
            return Response.status(Response.Status.INTERNAL_SERVER_ERROR).entity(e).build();
        }

        return Response.fromResponse(response).build();
    }

    @GET
    @Path("findAll")
    public Response findAll() {
        WebTarget service = target.path("resources/playerService/findAll/");

        Response response;
        try {
            response = service.request().get();
        } catch (ProcessingException e) {
            return Response.status(Response.Status.INTERNAL_SERVER_ERROR).entity(e).build();
        }

        return Response.fromResponse(response).build();
    }

    @POST
    public Response save(Player player) {
        WebTarget service = target.path("resources/playerService");

        Response response;
        try {
            response = service.request().post(Entity.json(player));
        } catch (ProcessingException e) {
            return Response.status(Response.Status.INTERNAL_SERVER_ERROR).entity(e).build();
        }

        return Response.fromResponse(response).build();
    }

    @DELETE
    @Path("{id}")
    public Response remove(Long id) {
        WebTarget service = target.path("resources/playerService/" + id);

        Response response;
        try {
            response = service.request().delete();
        } catch (ProcessingException e) {
            return Response.status(Response.Status.INTERNAL_SERVER_ERROR).entity(e).build();
        }

        return Response.fromResponse(response).build();
    }
}