pasang0000

@Provider
public class MyExceptionMapper implements ExceptionMapper<Exception> {
  public Response toResponse(Exception e) {
    ResourceError resourceError = new ResourceError();
    String error = "Service encountered an internal error";
    if (e instanceof CoffeeNotFoundException) {
      resourceError.setCode(Response.Status.NOT_FOUND.getStatusCode());
      resourceError.setMessage(e.getMessage());
      return Response.status(Response.Status.NOT_FOUND)
                     .entity(resourceError)

pasang0000

// Controller
@POST
@Consumes(MediaType.APPLICATION_JSON)
@Produces(MediaType.APPLICATION_JSON)
@ValidateOnExecution
public Response addCoffee(@Valid Coffee coffee) {
  ...
}

// Coffee POJO

pasang0000

@WebFilter(filterName = "LoggingFilter", urlPatterns = {"/*"})
public class LoggingFilter implements Filter {
  static final Logger logger = Logger.getLogger(LoggingFilter.class);
  @Override
  public void doFilter(ServletRequest servletRequest,
                       ServletResponse servletResponse,
                       FilterChain filterChain) throws IOException, ServletException {
    HttpServletRequest httpServletRequest = (HttpServletRequest) servletRequest;
    logger.info("request" + httpServletRequest.getPathInfo().toString);
    filterChain.doFilter(servletRequest, servletResponse);

pasang0000

// Coffee 객체로부터 JSON 문자열을 읽어들이는 코드
ObjectMapper objectMapper = new ObjectMapper();
Coffee coffee = objectMapper.readValue(jsonData, Coffee.class);

pasang0000

@GET
@Produces(MediaType.TEXT_PLAIN)
@Path("/orders/{id}/chunk")
public ChunkedOutput<String> chunkExample(final @PathParam("id") int id) {
    final ChunkedOutput<String> output = new ChunkedOutput<String>(String.class);
    new Thread() {
        @Override
        public void run() {
            try {
                output.write("test");

pasang0000

@GET
@Produces(MediaType.TEXT_PLAIN)
@Path("/orders/{id}")
public Response streamExample(@PathParam("id") int id) {
    final Coffee coffee = CoffeeService.getCoffee(id);
    StreamingOutput stream = new StreamingOutput() {
        @Override
        public void write(OutputStream os) throws IOException,
                WebApplicationException {
            Writer writer = new BufferedWriter(new OutputStreamWriter(os));

pasang0000

@Path("/v1/books/")
public class BookResource {
  @Path("{resourceID}.xml")
  @GET
  public Response getBookInXML(@PathParam("resourceID") String resourceID) {
    // XML 형식 응답
  }

  @Path("{resourceID}.json")
  @GET

pasang0000

@GET
public Reponse getCoffee(@Context Request r) {
  List<Variant> vs = Variant.mediatypes("application/xml", "application/json").build(); // build()로 List<Variant> 생성
  Variant v = r.selectVariant(vs);
  if (v == null) {
    return Response.notAcceptable(vs).build();
  } else {
    Coffee coffee = ..; // v값에 따라 표현형을 선택한다.
    return Reponse.ok(coffee, v);    
  }

pasang0000

@WebServlet(name = "TestClient", urlPatterns = {"/TestClient"} ,asyncSupported=true)
public class TestClient extends HttpServlet {
    private final static String TARGET_URI = "http://localhost:8080/helloworld/v1/coffees/orders";


    @Override
    protected void service(final HttpServletRequest request, final HttpServletResponse response)
            throws ServletException, IOException {
        response.setContentType("text/html;charset=UTF-8");

pasang0000

@Path("v1/coffees")
public class CoffeesResource {
  @GET
  @Path("orders")
  @Produces(MediaType.APPLICATION_JSON)
  public List<Coffee> getCoffeeList() {
    ...
  }
  
  @POST