Example usage for org.apache.http.nio.reactor SessionRequest getException

Introduction

In this page you can find the example usage for org.apache.http.nio.reactor SessionRequest getException.

Prototype

IOException getException();

Source Link

Document

Returns IOException instance if the request could not be successfully executed due to an I/O error or null if no error occurred to this point.

Usage

From source file:com.ok2c.lightmtp.examples.LocalMailClientTransportExample.java

public static void main(final String[] args) throws Exception {

    String text1 = "From: root\r\n" + "To: testuser1\r\n" + "Subject: test message 1\r\n" + "\r\n"
            + "This is a short test message 1\r\n";
    String text2 = "From: root\r\n" + "To: testuser1, testuser2\r\n" + "Subject: test message 2\r\n" + "\r\n"
            + "This is a short test message 2\r\n";
    String text3 = "From: root\r\n" + "To: testuser1, testuser2, testuser3\r\n" + "Subject: test message 3\r\n"
            + "\r\n" + "This is a short test message 3\r\n";

    DeliveryRequest request1 = new BasicDeliveryRequest("root", Arrays.asList("testuser1"),
            new ByteArraySource(text1.getBytes("US-ASCII")));

    DeliveryRequest request2 = new BasicDeliveryRequest("root", Arrays.asList("testuser1", "testuser2"),
            new ByteArraySource(text2.getBytes("US-ASCII")));

    DeliveryRequest request3 = new BasicDeliveryRequest("root",
            Arrays.asList("testuser1", "testuser2", "testuser3"),
            new ByteArraySource(text3.getBytes("US-ASCII")));

    Queue<DeliveryRequest> queue = new ConcurrentLinkedQueue<DeliveryRequest>();
    queue.add(request1);/* w  w  w  .  jav a2s.  c  om*/
    queue.add(request2);
    queue.add(request3);

    CountDownLatch messageCount = new CountDownLatch(queue.size());

    IOReactorConfig config = IOReactorConfig.custom().setIoThreadCount(1).build();

    MailClientTransport mua = new LocalMailClientTransport(config);
    mua.start(new MyDeliveryRequestHandler(messageCount));

    SessionEndpoint endpoint = new SessionEndpoint(new InetSocketAddress("localhost", 2525));

    SessionRequest sessionRequest = mua.connect(endpoint, queue, null);
    sessionRequest.waitFor();

    IOSession iosession = sessionRequest.getSession();
    if (iosession != null) {
        messageCount.await();
    } else {
        IOException ex = sessionRequest.getException();
        if (ex != null) {
            System.out.println("Connection failed: " + ex.getMessage());
        }
    }

    System.out.println("Shutting down I/O reactor");
    try {
        mua.shutdown();
    } catch (IOException ex) {
        mua.forceShutdown();
    }
    System.out.println("Done");
}

---

From source file:org.apache.synapse.transport.nhttp.HttpCoreNIOSender.java

/**
 * Return a SessionRequestCallback which gets notified of a connection failure
 * or an error during a send operation. This method finds the corresponding
 * Axis2 message context for the outgoing request, and find the message receiver
 * and sends a fault message back to the message receiver that is marked as
 * related to the outgoing request/* w  w  w.  j a v a2s  .  c  o  m*/
 * @return a Session request callback
 */
private SessionRequestCallback getSessionRequestCallback() {
    return new SessionRequestCallback() {
        public void completed(SessionRequest request) {
            if (log.isDebugEnabled() && request.getSession() != null
                    && request.getSession().getLocalAddress() != null) {
                log.debug("Connected to remote address : " + request.getSession().getRemoteAddress()
                        + " from local address : " + request.getSession().getLocalAddress());
            }
        }

        public void failed(SessionRequest request) {
            handleError(request, NhttpConstants.CONNECTION_FAILED,
                    "Connection refused or failed for : " + request.getRemoteAddress() + ", "
                            + "IO Exception occured : " + request.getException().getMessage());
        }

        public void timeout(SessionRequest request) {
            handleError(request, NhttpConstants.CONNECT_TIMEOUT,
                    "Timeout connecting to : " + request.getRemoteAddress());
            request.cancel();
        }

        public void cancelled(SessionRequest request) {
            handleError(request, NhttpConstants.CONNECT_CANCEL,
                    "Connection cancelled for : " + request.getRemoteAddress());
        }

        private void handleError(SessionRequest request, int errorCode, String errorMessage) {
            if (request.getAttachment() != null && request.getAttachment() instanceof Axis2HttpRequest) {

                Axis2HttpRequest axis2Request = (Axis2HttpRequest) request.getAttachment();
                if (!axis2Request.isCompleted()) {
                    handler.markRequestCompletedWithError(axis2Request, errorCode, errorMessage, null);
                }
            }
        }
    };
}

---