Examples with XFuture org.webpieces.util.futures.XFuture used on opensource projects

Example 56 with XFuture

use of org.webpieces.util.futures.XFuture in project webpieces by deanhiller.

the class HttpSocketImpl method send.

@Override
public XFuture<HttpFullResponse> send(HttpFullRequest request) {
    Integer contentLength = request.getRequest().getContentLength();
    if (request.getData() == null || request.getData().getReadableSize() == 0) {
        if (contentLength != null && contentLength != 0)
            throw new IllegalArgumentException("HttpRequest has 0 Content-Length but readable size=" + request.getData().getReadableSize());
    } else if (!request.getRequest().isHasNonZeroContentLength())
        throw new IllegalArgumentException("HttpRequest must have Content-Length header");
    else if (request.getRequest().getContentLength() != request.getData().getReadableSize())
        throw new IllegalArgumentException("HttpRequest Content-Length header value=" + request.getRequest().getContentLength() + " does not match payload size=" + request.getData().getReadableSize());
    XFuture<HttpFullResponse> future = new XFuture<HttpFullResponse>();
    HttpResponseListener l = new CompletableListener(future);
    HttpStreamRef streamRef = send(request.getRequest(), l);
    if (request.getData() != null && request.getData().getReadableSize() > 0) {
        HttpData data = new HttpData(request.getData(), true);
        streamRef.getWriter().thenCompose(w -> {
            return w.send(data);
        });
    }
    future.exceptionally(t -> {
        // we can only cancel if it is NOT keepalive or else we have to keep socket open
        if (t instanceof CancellationException && !isKeepAliveRequest(request.getRequest())) {
            streamRef.cancel("XFuture cancelled by client, so cancel request");
        }
        return null;
    });
    return future;
}

Example 57 with XFuture

use of org.webpieces.util.futures.XFuture in project webpieces by deanhiller.

the class TestProdRouter method testAsyncRouteAndMocking.

/**
 * This test won't work in DevRoute right now as we need to do the following
 * 1. create CompileOnDemand very early on
 * 2. do a Thread.current().setContextClassLoader(compileOnDemand.getLatestClassloader())
 *
 * and this all needs to be done BEFORE TestModule is created and more importantly before
 * the bind(SomeService.class) as SomeService will be loaded from one classloader and then
 * when DEVrouter creates the controller, the compileOnDemand classloader is used resulting
 * in a mismatch.
 */
@Test
public void testAsyncRouteAndMocking() {
    Http2Request req = RequestCreation.createHttpRequest(HttpMethod.GET, "/async");
    // setup returning a response
    XFuture<Integer> future1 = new XFuture<Integer>();
    overrides.mockService.addToReturn(future1);
    MockStreamHandle mockStream = new MockStreamHandle();
    StreamRef ref = server.incomingRequest(req, mockStream);
    XFuture<StreamWriter> future = ref.getWriter();
    Assert.assertFalse(future.isDone());
    // no response yet...
    Assert.assertNull(mockStream.getLastResponse());
    // release controlleer
    int id = 78888;
    future1.complete(id);
    Assert.assertTrue(future.isDone() && !future.isCompletedExceptionally());
    Http2Response resp = mockStream.getLastResponse();
    Assert.assertNull(resp.getSingleHeaderValue(Http2HeaderName.AUTHORITY));
    Assert.assertEquals("http://" + req.getAuthority() + "/meeting/" + id, resp.getSingleHeaderValue(Http2HeaderName.LOCATION));
    // We did not send a keep alive so it should close
    Assert.assertTrue(mockStream.isWasClosed());
}

Example 58 with XFuture

use of org.webpieces.util.futures.XFuture in project webpieces by deanhiller.

the class JsonController method streaming.

public StreamRef streaming(ResponseStreamHandle handle) {
    XFuture<StreamRef> futureStream = new XFuture<>();
    XFuture<Boolean> authFuture = svc.authenticate("bobsmith");
    XFuture<StreamWriter> writer = authFuture.thenCompose(resp -> {
        StreamRef streamRef = client.stream(handle);
        futureStream.complete(streamRef);
        return streamRef.getWriter();
    });
    return new StreamRefProxy(writer, futureStream);
}

Example 59 with XFuture

use of org.webpieces.util.futures.XFuture in project webpieces by deanhiller.

the class TestLesson2Html method testAsyncControllerAndRemoteSystem.

/**
 * It is highly suggested you step through this test in debug mode to understand the description below...
 *
 * This is a single threaded test that actually allows the webserver thread to return back to the test before
 * the response comes.  (in production the thread would process other requests while waiting for remote system response).
 * Then the test simulates the response coming in from remote system and makes sure we send a response back
 * to the ResponseSender.  In implementations like this with a remote system, one can avoid holding threads up
 * and allow them to keep working while waiting for a response from the remote system.
 */
@Test
public void testAsyncControllerAndRemoteSystem() {
    XFuture<FetchValueResponse> future = new XFuture<FetchValueResponse>();
    mockRemote.addValueToReturn(future);
    HttpFullRequest req = createRequest("/async");
    XFuture<HttpFullResponse> respFuture = http11Socket.send(req);
    Assert.assertFalse(respFuture.isDone());
    // notice that the thread returned but there is no response back to browser yet such that thread can do more work.
    // next, simulate remote system returning a value..
    int value = 85;
    future.complete(new FetchValueResponse(85));
    ResponseWrapper response = ResponseExtract.waitResponseAndWrap(respFuture);
    response.assertStatusCode(KnownStatusCode.HTTP_200_OK);
    response.assertContains("This is a page with value=" + value);
}

Example 60 with XFuture

use of org.webpieces.util.futures.XFuture in project webpieces by deanhiller.

the class DtoLookup method find.

@SuppressWarnings("unchecked")
@Override
public <T> XFuture<T> find(Meta paramMeta, ParamTreeNode tree, Function<Class<T>, T> beanCreate) {
    if (!(paramMeta instanceof ParamMeta))
        throw new UnsupportedOperationException("this plugin does not support type=" + paramMeta.getClass());
    ParamMeta m = (ParamMeta) paramMeta;
    Class<T> paramTypeToCreate = (Class<T>) m.getFieldClass();
    Dto annotation = paramTypeToCreate.getAnnotation(Dto.class);
    // EntityManager entityManager = Em.get();
    // Metamodel metamodel = entityManager.getMetamodel();
    // ManagedType<T> managedType = metamodel.managedType(paramTypeToCreate);
    // IdentifiableType<T> entityType = (IdentifiableType<T>) managedType;
    Method method;
    try {
        method = paramTypeToCreate.getMethod("getId");
    } catch (NoSuchMethodException | SecurityException e) {
        throw new IllegalStateException("Class=" + paramTypeToCreate.getName() + " has an annotation @Dto and this requires that dto to have a method getId, but we could not find that method", e);
    }
    Class<?> idClazz = method.getReturnType();
    // SingularAttribute<? super T, ?> idAttribute = entityType.getId(idClazz);
    // String name = idAttribute.getName();
    String name = "id";
    ParamNode paramNode = tree.get(name);
    String value = null;
    if (paramNode != null) {
        if (!(paramNode instanceof ValueNode))
            throw new IllegalStateException("The id field in the DTO should have matched to a " + "ValueNode on incoming data and did not. node=" + paramNode + ".  bad multipart form?  (Please " + "let us know so we can pair with you on this and I can add better error messaging)");
        ValueNode node = (ValueNode) paramNode;
        value = node.getValue();
    }
    if (value == null) {
        T theBean = beanCreate.apply(paramTypeToCreate);
        return XFuture.completedFuture(theBean);
    }
    @SuppressWarnings("rawtypes") ObjectStringConverter unmarshaller = translator.getConverter(idClazz);
    Object id = unmarshaller.stringToObject(value);
    Class lookupClass = annotation.lookupClass();
    String function = annotation.function();
    Object instance = webInjector.getCurrentInjector().getInstance(lookupClass);
    Method lookupMethod;
    try {
        lookupMethod = lookupClass.getMethod(function, idClazz);
    } catch (NoSuchMethodException | SecurityException e) {
        throw new IllegalArgumentException("Your function in @Dto='XFuture<" + paramTypeToCreate + "> " + function + "(" + idClazz.getName() + ")' on class=" + lookupClass.getName() + " cannot be found.  We also did not find method='" + paramTypeToCreate + " " + function + "(" + idClazz.getName() + ")'");
    }
    Object result;
    try {
        result = lookupMethod.invoke(instance, id);
    } catch (IllegalAccessException | IllegalArgumentException | InvocationTargetException e) {
        throw new RuntimeException("Exception invoking lookup method", e);
    }
    if (result instanceof XFuture) {
        return (XFuture<T>) result;
    }
    return (XFuture<T>) XFuture.completedFuture(result);
}