Examples with AsyncEvent javax.servlet.AsyncEvent used on opensource projects

Example 41 with AsyncEvent

use of javax.servlet.AsyncEvent in project undertow by undertow-io.

the class AsyncServlet5 method doGet.

@Override
protected void doGet(final HttpServletRequest req, final HttpServletResponse resp) throws ServletException, IOException {
    final CountDownLatch latch = new CountDownLatch(1);
    final AsyncContext ctx = req.startAsync();
    resp.setContentType("text/event-stream");
    resp.setHeader("Cache-Control", "no-cache");
    ctx.setTimeout(10_000L);
    ctx.addListener(new AsyncEventListener() {

        @Override
        public void onError(AsyncEvent event) throws IOException {
            super.onError(event);
            latch.countDown();
        }
    });
    Thread t = new Thread(new Runnable() {

        @Override
        public void run() {
            final ScheduledFuture<?> scheduledFuture = executorService.scheduleAtFixedRate(new Job(ctx), 0, 1, SECONDS);
            try {
                latch.await(11, SECONDS);
            } catch (InterruptedException e) {
                // TODO Auto-generated catch block
                e.printStackTrace();
            }
            scheduledFuture.cancel(true);
            ctx.complete();
        }
    });
    t.start();
}

Example 42 with AsyncEvent

use of javax.servlet.AsyncEvent in project undertow by undertow-io.

the class AsyncContextImpl method onAsyncError.

private void onAsyncError(final Throwable t) {
    final boolean setupRequired = SecurityActions.currentServletRequestContext() == null;
    servletRequestContext.getCurrentServletContext().invokeRunnable(servletRequestContext.getExchange(), new Runnable() {

        @Override
        public void run() {
            setupRequestContext(setupRequired);
            try {
                for (final BoundAsyncListener listener : asyncListeners) {
                    AsyncEvent event = new AsyncEvent(AsyncContextImpl.this, listener.servletRequest, listener.servletResponse, t);
                    try {
                        listener.asyncListener.onError(event);
                    } catch (IOException e) {
                        UndertowServletLogger.REQUEST_LOGGER.ioExceptionDispatchingAsyncEvent(e);
                    } catch (Throwable t) {
                        UndertowServletLogger.REQUEST_LOGGER.failureDispatchingAsyncEvent(t);
                    }
                }
            } finally {
                tearDownRequestContext(setupRequired);
            }
        }
    });
}

Example 43 with AsyncEvent

use of javax.servlet.AsyncEvent in project undertow by undertow-io.

the class AsyncErrorListenerServlet method doGet.

@Override
protected void doGet(final HttpServletRequest req, final HttpServletResponse resp) throws ServletException, IOException {
    AsyncContext ac = req.startAsync();
    ac.addListener(new AsyncListener() {

        @Override
        public void onComplete(AsyncEvent event) throws IOException {
            EVENTS.add("COMPLETED");
        }

        @Override
        public void onTimeout(AsyncEvent event) throws IOException {
        }

        @Override
        public void onError(AsyncEvent event) throws IOException {
            EVENTS.add("ERROR");
        }

        @Override
        public void onStartAsync(AsyncEvent event) throws IOException {
        }
    });
    throw new RuntimeException("FAILED");
}

Example 44 with AsyncEvent

use of javax.servlet.AsyncEvent in project ddf by codice.

the class ServletMetricsTest method asyncDoFilterError.

@Test
public void asyncDoFilterError() throws Exception {
    when(mockRequest.isAsyncStarted()).thenReturn(true);
    AsyncContext asyncContext = mock(AsyncContext.class);
    when(mockRequest.getAsyncContext()).thenReturn(asyncContext);
    AsyncEvent event = mock(AsyncEvent.class);
    when(event.getSuppliedRequest()).thenReturn(mockRequest);
    when(event.getSuppliedResponse()).thenReturn(mockResponse);
    underTest.doFilter(mockRequest, mockResponse, mockFilterChain);
    ArgumentCaptor<AsyncListener> arg = ArgumentCaptor.forClass(AsyncListener.class);
    verify(asyncContext).addListener(arg.capture());
    AsyncListener listener = arg.getValue();
    listener.onStartAsync(event);
    listener.onError(event);
    listener.onComplete(event);
    assertThat(meterRegistry.summary(LATENCY, getTags(DEFAULT_METHOD, 500)).count(), is(1L));
}

Example 45 with AsyncEvent

use of javax.servlet.AsyncEvent in project aws-xray-sdk-java by aws.

the class AWSXRayServletFilterTest method testAWSXRayServletAsyncListenerEmitsSegmentWhenProcessingEvent.

@Test
public void testAWSXRayServletAsyncListenerEmitsSegmentWhenProcessingEvent() throws IOException, ServletException {
    AWSXRayServletFilter servletFilter = new AWSXRayServletFilter("test");
    AsyncContext asyncContext = mock(AsyncContext.class);
    HttpServletRequest request = mock(HttpServletRequest.class);
    when(request.getRequestURL()).thenReturn(new StringBuffer("test_url"));
    when(request.getMethod()).thenReturn("TEST_METHOD");
    when(request.isAsyncStarted()).thenReturn(true);
    when(request.getAsyncContext()).thenReturn(asyncContext);
    HttpServletResponse response = mock(HttpServletResponse.class);
    FilterChain chain = mockChain(request, response);
    AsyncEvent event = mock(AsyncEvent.class);
    when(event.getSuppliedRequest()).thenReturn(request);
    when(event.getSuppliedResponse()).thenReturn(response);
    servletFilter.doFilter(request, response, chain);
    Assert.assertNull(AWSXRay.getTraceEntity());
    AWSXRayServletAsyncListener listener = (AWSXRayServletAsyncListener) Whitebox.getInternalState(servletFilter, "listener");
    listener.onComplete(event);
    verify(AWSXRay.getGlobalRecorder().getEmitter(), Mockito.times(1)).sendSegment(Mockito.any());
}