Example usage for javax.servlet AsyncContext getRequest

List of usage examples for javax.servlet AsyncContext getRequest

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Introduction

In this page you can find the example usage for javax.servlet AsyncContext getRequest.

Prototype

public ServletRequest getRequest();

Source Link

Document

Gets the request that was used to initialize this AsyncContext by calling ServletRequest#startAsync() or ServletRequest#startAsync(ServletRequest,ServletResponse) .

Usage

From source file:org.siphon.d2js.DispatchServlet.java

@Override
protected void doPut(HttpServletRequest request, HttpServletResponse response)
        throws ServletException, IOException {
    request.setCharacterEncoding("utf-8");
    request.setAttribute("org.apache.catalina.ASYNC_SUPPORTED", true);
    AsyncContext asyncContext = request.startAsync(request, response);
    D2jsRunner d2jsRunner = this.getD2jsRunner();
    try {/*  w w  w .j a va2s .c  om*/
        d2jsRunner.run((HttpServletRequest) asyncContext.getRequest(),
                (HttpServletResponse) asyncContext.getResponse(), "modify");
    } finally {
        asyncContext.complete();
    }
}

From source file:com.kurento.kmf.content.internal.ControlProtocolManager.java

/**
 * Receiver method for JSON throw a request.
 * /*from   w  w w.  java2 s  .  c om*/
 * @param asyncCtx
 *            Asynchronous context
 * @return Received JSON encapsulated as a Java class
 */
public JsonRpcRequest receiveJsonRequest(AsyncContext asyncCtx) {
    HttpServletRequest request = (HttpServletRequest) asyncCtx.getRequest();

    // Received character encoding should be UTF-8. In order to check this,
    // the method detectJsonEncoding will be used. Before that, the
    // InputStream read from request.getInputStream() should be cloned
    // (using a ByteArrayOutputStream) to be used on detectJsonEncoding and
    // then for reading the JSON message

    try {
        InputStream inputStream = request.getInputStream();
        ByteArrayOutputStream baos = new ByteArrayOutputStream();
        byte[] buffer = new byte[BUFF];
        int len;
        while ((len = inputStream.read(buffer)) > -1) {
            baos.write(buffer, 0, len);
        }
        baos.flush();

        String encoding = detectJsonEncoding(new ByteArrayInputStream(baos.toByteArray()));
        log.debug("Detected JSON encoding: " + encoding);
        if (encoding == null) {
            throw new KurentoMediaFrameworkException(
                    "Invalid or unsupported charset encondig in received JSON request", 10018);
        }

        InputStreamReader isr = new InputStreamReader(new ByteArrayInputStream(baos.toByteArray()), encoding);

        JsonRpcRequest jsonRequest = gson.fromJson(isr, JsonRpcRequest.class);
        Assert.notNull(jsonRequest.getMethod());
        log.info("Received JsonRpc request ...\n " + jsonRequest.toString());
        return jsonRequest;
    } catch (IOException e) {
        // TODO: trace this exception and double check appropriate JsonRpc
        // answer is sent
        throw new KurentoMediaFrameworkException(
                "IOException reading JsonRPC request. Cause: " + e.getMessage(), e, 20016);
    }
}

From source file:com.boylesoftware.web.AsynchronousExecutor.java

@Override
public void onTimeout(final AsyncEvent event) {

    final boolean debug = this.log.isDebugEnabled();
    if (debug)//  w w w .  j av  a2 s.  c om
        this.log.debug("async event: timeout");

    this.timedOut = true;

    this.cleanup();

    if (debug)
        this.log.debug("recycling router request " + this.routerReq);
    RouterRequestLifecycle.recycle(this.routerReq);

    this.routerReq = null;
    this.asyncContext = null;
    this.webapp = null;

    if (this.executorThread != null)
        this.executorThread.interrupt();

    final AsyncContext asyncCtx = event.getAsyncContext();
    Router.setAsyncException(asyncCtx.getRequest(), new ServiceUnavailableException());
    if (debug)
        this.log.debug("dispatching service unavailable exception back to" + " the router");
    asyncCtx.dispatch();
}

From source file:org.siphon.d2js.DispatchServlet.java

protected void doPost(HttpServletRequest request, HttpServletResponse response)
        throws ServletException, IOException {
    request.setCharacterEncoding("utf-8");
    request.setAttribute("org.apache.catalina.ASYNC_SUPPORTED", true);
    AsyncContext asyncContext = request.startAsync(request, response);
    D2jsRunner d2jsRunner = this.getD2jsRunner();
    String method = StringUtils.defaultIfEmpty(request.getParameter("_m"), "create");
    try {/*from  www  .  j ava2s.c om*/
        d2jsRunner.run((HttpServletRequest) asyncContext.getRequest(),
                (HttpServletResponse) asyncContext.getResponse(), method);
    } finally {
        asyncContext.complete();
    }
}

From source file:org.siphon.d2js.DispatchServlet.java

protected void doGet(HttpServletRequest request, HttpServletResponse response)
        throws ServletException, IOException {
    request.setCharacterEncoding("utf-8");
    request.setAttribute("org.apache.catalina.ASYNC_SUPPORTED", true);
    AsyncContext asyncContext = request.startAsync(request, response);
    D2jsRunner d2jsRunner = this.getD2jsRunner();
    String method = StringUtils.defaultIfEmpty(request.getParameter("_m"), "fetch");

    try {//from w  ww . jav  a2 s.  c  o m
        d2jsRunner.run((HttpServletRequest) asyncContext.getRequest(),
                (HttpServletResponse) asyncContext.getResponse(), method);
    } finally {
        asyncContext.complete();
    }
}

From source file:com.kurento.kmf.content.internal.ControlProtocolManager.java

/**
 * Internal implementation for sending JSON (called from sendJsonAnswer and
 * sendJsonError methods).//from  w w  w. jav a 2 s.  c  o  m
 * 
 * @param asyncCtx
 *            Asynchronous context
 * @param message
 *            JSON message (as a Java class)
 * @throws IOException
 *             Exception while parsing operating with asynchronous context
 */
private void internalSendJsonAnswer(AsyncContext asyncCtx, JsonRpcResponse message) {
    try {
        if (asyncCtx == null) {
            throw new KurentoMediaFrameworkException("Null asyncCtx found", 20017);
        }

        synchronized (asyncCtx) {
            if (!asyncCtx.getRequest().isAsyncStarted()) {
                throw new KurentoMediaFrameworkException("Cannot send message in completed asyncCtx", 1); // TODO
            }

            HttpServletResponse response = (HttpServletResponse) asyncCtx.getResponse();
            response.setContentType("application/json");
            OutputStreamWriter osw = new OutputStreamWriter(response.getOutputStream(), UTF8);
            osw.write(gson.toJson(message));
            osw.flush();
            log.info("Sent JsonRpc answer ...\n" + message);
            asyncCtx.complete();
        }
    } catch (IOException ioe) {
        throw new KurentoMediaFrameworkException(ioe.getMessage(), ioe, 20018);
    }
}

From source file:org.apache.vysper.xmpp.extension.xep0124.BoshBackedSessionContextTest.java

@Test
public void testRequestExpired() throws IOException {
    Stanza emtpyStanza = BoshStanzaUtils.EMPTY_BOSH_RESPONSE;

    // addRequest
    HttpServletRequest httpServletRequest = mocksControl.createMock(HttpServletRequest.class);
    AsyncContext asyncContext = mocksControl.createMock(AsyncContext.class);
    expect(httpServletRequest.startAsync()).andReturn(asyncContext).atLeastOnce();
    expect(httpServletRequest.getAsyncContext()).andReturn(asyncContext).atLeastOnce();
    asyncContext.setTimeout(anyLong());/*from  www .j a  va 2  s.  com*/
    httpServletRequest.setAttribute(eq(BOSH_REQUEST_ATTRIBUTE), EasyMock.<BoshRequest>notNull());

    expect(asyncContext.getRequest()).andReturn(httpServletRequest).atLeastOnce();
    asyncContext.dispatch();
    expectLastCall().atLeastOnce();

    Capture<AsyncListener> listenerCaptured = new Capture<AsyncListener>();
    asyncContext.addListener(EasyMock.<AsyncListener>capture(listenerCaptured));

    AsyncEvent asyncEvent = mocksControl.createMock(AsyncEvent.class);

    BoshRequest br = new BoshRequest(httpServletRequest, emtpyStanza, 1L);

    // requestExpired
    expect(httpServletRequest.getAttribute(BOSH_REQUEST_ATTRIBUTE)).andReturn(br);
    Capture<BoshResponse> responseCaptured = new Capture<BoshResponse>();
    httpServletRequest.setAttribute(eq(BOSH_RESPONSE_ATTRIBUTE),
            EasyMock.<BoshResponse>capture(responseCaptured));

    // write0
    mocksControl.replay();
    BoshBackedSessionContext boshBackedSessionContext = new BoshBackedSessionContext(serverRuntimeContext, null,
            inactivityChecker);

    boshBackedSessionContext.insertRequest(br);
    listenerCaptured.getValue().onTimeout(asyncEvent);
    mocksControl.verify();

    assertEquals(new Renderer(emtpyStanza).getComplete(), new String(responseCaptured.getValue().getContent()));
    assertEquals(BoshServlet.XML_CONTENT_TYPE, responseCaptured.getValue().getContentType());
}

From source file:com.kurento.kmf.content.internal.base.AbstractContentHandlerServlet.java

/**
 * Generic processor of HTTP request when not using JSON control procotol.
 * //from   www  . j a v a  2s . co  m
 * @param asyncCtx
 *            Asynchronous context
 * @param contentId
 *            Content unique identifier
 * @param resp
 *            HTTP response
 * @throws ServletException
 *             Exception in Servlet
 * @throws IOException
 *             Input/Ouput Exception
 */
private void doRequest4SimpleHttpProtocol(AsyncContext asyncCtx, String contentId, HttpServletResponse resp)
        throws ServletException, IOException {
    try {
        AbstractContentSession contentRequest = createContentSession(asyncCtx, contentId);

        Future<?> future = executor.getExecutor()
                .submit(createAsyncRequestProcessor(contentRequest, null, asyncCtx));
        // Store future and request for using it in case of error
        asyncCtx.getRequest().setAttribute(ContentAsyncListener.FUTURE_REQUEST_PROCESSOR_ATT_NAME, future);
        asyncCtx.getRequest().setAttribute(ContentAsyncListener.CONTENT_REQUEST_ATT_NAME, contentRequest);
    } catch (KurentoMediaFrameworkException ke) {
        getLogger().error(ke.getMessage(), ke);
        ServletUtils.sendHttpError((HttpServletRequest) asyncCtx.getRequest(), resp,
                ExceptionUtils.getHttpErrorCode(ke.getCode()), ke.getMessage());
    }
}

From source file:org.apache.vysper.xmpp.extension.xep0124.BoshBackedSessionContext.java

private void requestExpired(final AsyncContext context) {
    final BoshRequest req = (BoshRequest) context.getRequest().getAttribute(BOSH_REQUEST_ATTRIBUTE);
    if (req == null) {
        LOGGER.warn("SID = " + getSessionId() + " - Continuation expired without having "
                + "an associated request!");
        return;/*from w  w  w .ja  v a  2 s  .  c  o m*/
    }
    LOGGER.debug("SID = " + getSessionId() + " - rid = {} - BOSH request expired", req.getRid());
    while (!requestsWindow.isEmpty() && requestsWindow.firstRid() <= req.getRid()) {
        writeBoshResponse(BoshStanzaUtils.EMPTY_BOSH_RESPONSE);
    }
}