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

Example 11 with ServletRequestListener

use of javax.servlet.ServletRequestListener 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 12 with ServletRequestListener

use of javax.servlet.ServletRequestListener in project tomee by apache.

the class HttpRequestImpl method init.

public void init() {
    if (begin != null && getAttribute("openejb_requestInitialized") == null) {
        // if called again we loose the request scope
        setAttribute("openejb_requestInitialized", "ok");
        begin.requestInitialized(new ServletRequestEvent(getServletContext(), this));
    }
    listeners = LightweightWebAppBuilderListenerExtractor.findByTypeForContext(contextPath, ServletRequestListener.class);
    if (!listeners.isEmpty()) {
        final ServletRequestEvent event = new ServletRequestEvent(getServletContext(), this);
        for (final ServletRequestListener listener : listeners) {
            listener.requestInitialized(event);
        }
    }
}

Example 13 with ServletRequestListener

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

the class ApplicationListeners method requestInitialized.

public void requestInitialized(final ServletRequest request) {
    if (!started) {
        return;
    }
    if (servletRequestListeners.length > 0) {
        int i = 0;
        final ServletRequestEvent sre = new ServletRequestEvent(servletContext, request);
        try {
            for (; i < servletRequestListeners.length; ++i) {
                this.<ServletRequestListener>get(servletRequestListeners[i]).requestInitialized(sre);
            }
        } catch (RuntimeException e) {
            UndertowServletLogger.REQUEST_LOGGER.errorInvokingListener("requestInitialized", servletRequestListeners[i].getListenerInfo().getListenerClass(), e);
            for (; i >= 0; i--) {
                ManagedListener listener = servletRequestListeners[i];
                try {
                    this.<ServletRequestListener>get(listener).requestDestroyed(sre);
                } catch (Throwable t) {
                    UndertowServletLogger.REQUEST_LOGGER.errorInvokingListener("requestDestroyed", listener.getListenerInfo().getListenerClass(), e);
                }
            }
            throw e;
        }
    }
}

Example 14 with ServletRequestListener

use of javax.servlet.ServletRequestListener in project Payara by payara.

the class StandardContext method fireRequestInitializedEvent.

@Override
public void fireRequestInitializedEvent(ServletRequest request) {
    List<EventListener> listeners = getApplicationEventListeners();
    ServletRequestEvent event = null;
    if (!listeners.isEmpty()) {
        event = new ServletRequestEvent(getServletContext(), request);
        // create pre-service event
        Iterator<EventListener> iter = listeners.iterator();
        while (iter.hasNext()) {
            EventListener eventListener = iter.next();
            if (!(eventListener instanceof ServletRequestListener)) {
                continue;
            }
            ServletRequestListener listener = (ServletRequestListener) eventListener;
            // START SJSAS 6329662
            fireContainerEvent(ContainerEvent.BEFORE_REQUEST_INITIALIZED, listener);
            // END SJSAS 6329662
            try {
                listener.requestInitialized(event);
            } catch (Throwable t) {
                String msg = MessageFormat.format(rb.getString(LogFacade.REQUEST_INIT_EXCEPTION), listener.getClass().getName());
                log.log(Level.WARNING, msg, t);
                request.setAttribute(RequestDispatcher.ERROR_EXCEPTION, t);
            // START SJSAS 6329662
            } finally {
                fireContainerEvent(ContainerEvent.AFTER_REQUEST_INITIALIZED, listener);
            // END SJSAS 6329662
            }
        }
    }
}

Example 15 with ServletRequestListener

use of javax.servlet.ServletRequestListener in project Payara by payara.

the class StandardContext method fireRequestDestroyedEvent.

@Override
public void fireRequestDestroyedEvent(ServletRequest request) {
    List<EventListener> listeners = getApplicationEventListeners();
    if (!listeners.isEmpty()) {
        // create post-service event
        ServletRequestEvent event = new ServletRequestEvent(getServletContext(), request);
        int len = listeners.size();
        for (int i = 0; i < len; i++) {
            EventListener eventListener = listeners.get((len - 1) - i);
            if (!(eventListener instanceof ServletRequestListener)) {
                continue;
            }
            ServletRequestListener listener = (ServletRequestListener) eventListener;
            // START SJSAS 6329662
            fireContainerEvent(ContainerEvent.BEFORE_REQUEST_DESTROYED, listener);
            // END SJSAS 6329662
            try {
                listener.requestDestroyed(event);
            } catch (Throwable t) {
                String msg = MessageFormat.format(rb.getString(LogFacade.REQUEST_DESTROY_EXCEPTION), listener.getClass().getName());
                log.log(Level.WARNING, msg, t);
                request.setAttribute(RequestDispatcher.ERROR_EXCEPTION, t);
            // START SJSAS 6329662
            } finally {
                fireContainerEvent(ContainerEvent.AFTER_REQUEST_DESTROYED, listener);
            // END SJSAS 6329662
            }
        }
    }
}