Examples with ApplicationListener org.apache.catalina.deploy.ApplicationListener used on opensource projects

Example 6 with ApplicationListener

use of org.apache.catalina.deploy.ApplicationListener in project tomcat70 by apache.

the class StandardContext method addApplicationListener.

@Override
public void addApplicationListener(ApplicationListener listener) {
    synchronized (applicationListenersLock) {
        ApplicationListener[] results = new ApplicationListener[applicationListeners.length + 1];
        for (int i = 0; i < applicationListeners.length; i++) {
            if (listener.equals(applicationListeners[i])) {
                log.info(sm.getString("standardContext.duplicateListener", listener.getClassName()));
                return;
            }
            results[i] = applicationListeners[i];
        }
        results[applicationListeners.length] = listener;
        applicationListeners = results;
    }
    fireContainerEvent("addApplicationListener", listener);
// FIXME - add instance if already started?
}

Example 7 with ApplicationListener

use of org.apache.catalina.deploy.ApplicationListener in project tomcat70 by apache.

the class StandardContext method removeApplicationListener.

/**
 * Remove the specified application listener class from the set of
 * listeners for this application.
 *
 * @param listener Java class name of the listener to be removed
 */
@Override
public void removeApplicationListener(String listener) {
    synchronized (applicationListenersLock) {
        // Make sure this listener is currently present
        int n = -1;
        for (int i = 0; i < applicationListeners.length; i++) {
            if (applicationListeners[i].getClassName().equals(listener)) {
                n = i;
                break;
            }
        }
        if (n < 0)
            return;
        // Remove the specified listener
        int j = 0;
        ApplicationListener[] results = new ApplicationListener[applicationListeners.length - 1];
        for (int i = 0; i < applicationListeners.length; i++) {
            if (i != n)
                results[j++] = applicationListeners[i];
        }
        applicationListeners = results;
    }
    // Inform interested listeners
    fireContainerEvent("removeApplicationListener", listener);
// FIXME - behavior if already started?
}

Example 8 with ApplicationListener

use of org.apache.catalina.deploy.ApplicationListener in project tomcat70 by apache.

the class StandardContext method listenerStart.

/**
 * Configure the set of instantiated application event listeners
 * for this Context.  Return <code>true</code> if all listeners wre
 * initialized successfully, or <code>false</code> otherwise.
 */
public boolean listenerStart() {
    if (log.isDebugEnabled())
        log.debug("Configuring application event listeners");
    // Instantiate the required listeners
    ApplicationListener[] listeners = applicationListeners;
    Object[] results = new Object[listeners.length];
    boolean ok = true;
    for (int i = 0; i < results.length; i++) {
        if (getLogger().isDebugEnabled())
            getLogger().debug(" Configuring event listener class '" + listeners[i] + "'");
        try {
            ApplicationListener listener = listeners[i];
            results[i] = getInstanceManager().newInstance(listener.getClassName());
            if (listener.isPluggabilityBlocked()) {
                noPluggabilityListeners.add(results[i]);
            }
        } catch (Throwable t) {
            t = ExceptionUtils.unwrapInvocationTargetException(t);
            ExceptionUtils.handleThrowable(t);
            getLogger().error(sm.getString("standardContext.applicationListener", listeners[i].getClassName()), t);
            ok = false;
        }
    }
    if (!ok) {
        getLogger().error(sm.getString("standardContext.applicationSkipped"));
        return (false);
    }
    // Sort listeners in two arrays
    ArrayList<Object> eventListeners = new ArrayList<Object>();
    ArrayList<Object> lifecycleListeners = new ArrayList<Object>();
    for (int i = 0; i < results.length; i++) {
        if ((results[i] instanceof ServletContextAttributeListener) || (results[i] instanceof ServletRequestAttributeListener) || (results[i] instanceof ServletRequestListener) || (results[i] instanceof HttpSessionAttributeListener)) {
            eventListeners.add(results[i]);
        }
        if ((results[i] instanceof ServletContextListener) || (results[i] instanceof HttpSessionListener)) {
            lifecycleListeners.add(results[i]);
        }
    }
    // list.
    for (Object eventListener : getApplicationEventListeners()) {
        eventListeners.add(eventListener);
    }
    setApplicationEventListeners(eventListeners.toArray());
    for (Object lifecycleListener : getApplicationLifecycleListeners()) {
        lifecycleListeners.add(lifecycleListener);
        if (lifecycleListener instanceof ServletContextListener) {
            noPluggabilityListeners.add(lifecycleListener);
        }
    }
    setApplicationLifecycleListeners(lifecycleListeners.toArray());
    if (getLogger().isDebugEnabled())
        getLogger().debug("Sending application start events");
    // Ensure context is not null
    getServletContext();
    context.setNewServletContextListenerAllowed(false);
    Object[] instances = getApplicationLifecycleListeners();
    if (instances == null || instances.length == 0) {
        return ok;
    }
    ServletContextEvent event = new ServletContextEvent(getServletContext());
    ServletContextEvent tldEvent = null;
    if (noPluggabilityListeners.size() > 0) {
        noPluggabilityServletContext = new NoPluggabilityServletContext(getServletContext());
        tldEvent = new ServletContextEvent(noPluggabilityServletContext);
    }
    for (int i = 0; i < instances.length; i++) {
        if (instances[i] == null)
            continue;
        if (!(instances[i] instanceof ServletContextListener))
            continue;
        ServletContextListener listener = (ServletContextListener) instances[i];
        try {
            fireContainerEvent("beforeContextInitialized", listener);
            if (noPluggabilityListeners.contains(listener)) {
                listener.contextInitialized(tldEvent);
            } else {
                listener.contextInitialized(event);
            }
            fireContainerEvent("afterContextInitialized", listener);
        } catch (Throwable t) {
            ExceptionUtils.handleThrowable(t);
            fireContainerEvent("afterContextInitialized", listener);
            getLogger().error(sm.getString("standardContext.listenerStart", instances[i].getClass().getName()), t);
            ok = false;
        }
    }
    return (ok);
}

Example 9 with ApplicationListener

use of org.apache.catalina.deploy.ApplicationListener in project tomcat70 by apache.

the class TestWebSocket method testNoConnection.

@Test
public void testNoConnection() throws Exception {
    Tomcat tomcat = getTomcatInstance();
    // No file system docBase required
    Context ctx = tomcat.addContext("", null);
    ctx.addApplicationListener(new ApplicationListener(TesterEchoServer.Config.class.getName(), false));
    Tomcat.addServlet(ctx, "default", new DefaultServlet());
    ctx.addServletMapping("/", "default");
    tomcat.start();
    WebSocketClient client = new WebSocketClient(getPort());
    // Send the WebSocket handshake
    client.writer.write("GET " + TesterEchoServer.Config.PATH_BASIC + " HTTP/1.1" + CRLF);
    client.writer.write("Host: foo" + CRLF);
    client.writer.write("Upgrade: websocket" + CRLF);
    client.writer.write("Sec-WebSocket-Version: 13" + CRLF);
    client.writer.write("Sec-WebSocket-Key: TODO" + CRLF);
    client.writer.write(CRLF);
    client.writer.flush();
    // Make sure we got an error response
    String responseLine = client.reader.readLine();
    Assert.assertTrue(responseLine.startsWith("HTTP/1.1 400"));
    // Finished with the socket
    client.close();
}