Package org.apache.catalina

Examples of org.apache.catalina.CometEvent

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     * @throws javax.servlet.ServletException
     */
    public Action service(HttpServletRequest req, HttpServletResponse res)
            throws IOException, ServletException {

        CometEvent event = (CometEvent) req.getAttribute(COMET_EVENT);

        // Comet is not enabled.
        if (event == null) {
            throw unableToDetectComet;
        }

        Action action = null;
        // For now, we are just interested in CometEvent.READ
        if (event.getEventType() == EventType.BEGIN) {
            action = suspended(req, res);
            if (action.type == Action.TYPE.SUSPEND) {
                logger.debug("Suspending response: {}", res);

                // Do nothing except setting the times out
                try {
                    if (action.timeout != -1) {
                        event.setTimeout((int) action.timeout);
                    } else {
                        event.setTimeout(Integer.MAX_VALUE);
                    }
                } catch (UnsupportedOperationException ex) {
                    // Swallow s Tomcat APR isn't supporting time out
                    // TODO: Must implement the same functionality using a Scheduler
                }
            } else if (action.type == Action.TYPE.RESUME) {
                logger.debug("Resuming response: {}", res);
                event.close();
            } else {
                event.close();
            }
        } else if (event.getEventType() == EventType.READ) {
            // Not implemented
        } else if (event.getEventSubType() == CometEvent.EventSubType.CLIENT_DISCONNECT) {
            logger.debug("Client closed connection: response: {}", res);

            if (!resumed.remove(event)) {
                logger.debug("Client closed connection: response: {}", res);
                action = cancelled(req, res);
            } else {
                logger.debug("Cancelling response: {}", res);
            }

            event.close();
        } else if (event.getEventSubType() == CometEvent.EventSubType.TIMEOUT) {
            logger.debug("Timing out response: {}", res);

            action = timedout(req, res);
            event.close();
        } else if (event.getEventType() == EventType.ERROR) {
            event.close();
        } else if (event.getEventType() == EventType.END) {
            if (!resumed.remove(event)) {
                logger.debug("Client closed connection: response: {}", res);
                action = cancelled(req, res);
            } else {
                logger.debug("Cancelling response: {}", res);
            }

            event.close();
        }
        return action;
    }
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    @Override
    public void action(AtmosphereResourceImpl resource) {
        super.action(resource);
        if (resource.action().type == Action.TYPE.RESUME && resource.isInScope()) {
            try {
                CometEvent event = (CometEvent) resource.getRequest().getAttribute(COMET_EVENT);
                if (event == null) return;
                resumed.offer(event);

                // Resume without closing the underlying suspended connection.
                if (config.getInitParameter(AtmosphereServlet.RESUME_AND_KEEPALIVE) == null
                        || config.getInitParameter(AtmosphereServlet.RESUME_AND_KEEPALIVE).equalsIgnoreCase("false")) {
                    event.close();
                }
            } catch (IOException ex) {
                logger.debug("action failed", ex);
            }
        }
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    public Action cancelled(HttpServletRequest req, HttpServletResponse res)
            throws IOException, ServletException {

        Action action =  super.cancelled(req,res);
        if (req.getAttribute(MAX_INACTIVE) != null && Long.class.cast(req.getAttribute(MAX_INACTIVE)) == -1) {
           CometEvent event = (CometEvent) req.getAttribute(COMET_EVENT);
           if (event == null) return action;
           resumed.offer(event);
           event.close();
        }
        return action;
    }
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                    logger.debug("Suspending after resuming response: {}", res);
                    suspend(action, req, res);
                }
            }
        } finally {
            CometEvent event = (CometEvent) req.getAttribute(TomcatCometSupport.COMET_EVENT);
            if (event != null) {
                event.close();
            }

            HttpEvent he = (HttpEvent) req.getAttribute(JBossWebCometSupport.HTTP_EVENT);
            if (he != null) {
                he.close();
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     * @throws javax.servlet.ServletException
     */
    public Action service(HttpServletRequest req, HttpServletResponse res)
            throws IOException, ServletException {

        CometEvent event = (CometEvent) req.getAttribute(COMET_EVENT);

        // Comet is not enabled.
        if (event == null) {
            throw unableToDetectComet;
        }

        Action action = null;
        // For now, we are just interested in CometEvent.READ
        if (event.getEventType() == EventType.BEGIN) {
            action = suspended(req, res);
            if (action.type == Action.TYPE.SUSPEND) {
                if (logger.isLoggable(Level.FINE)) {
                    logger.fine("Suspending " + res);
                }

                // Do nothing except setting the times out
                try {
                    if (action.timeout != -1) {
                        event.setTimeout((int) action.timeout);
                    } else {
                        event.setTimeout(Integer.MAX_VALUE);
                    }
                } catch (UnsupportedOperationException ex) {
                    // Swallow s Tomcat APR isn't supporting time out
                    // TODO: Must implement the same functionality using a
                    // Scheduler
                }
            } else if (action.type == Action.TYPE.RESUME) {
                if (logger.isLoggable(Level.FINE)) {
                    logger.fine("Resuming " + res);
                }
                event.close();
            } else {
                event.close();
            }
        } else if (event.getEventType() == EventType.READ) {
            // Not implemented
        } else if (event.getEventSubType() == CometEvent.EventSubType.CLIENT_DISCONNECT) {
            if (logger.isLoggable(Level.FINE)) {
                logger.fine("Client closed connection " + res);
            }
            if (!resumed.remove(event)) {
                if (logger.isLoggable(Level.FINE)) {
                    logger.fine("Client closed connection " + res);
                }
                action = cancelled(req, res);
            } else {
                if (logger.isLoggable(Level.FINE)) {
                    logger.fine("Cancelling " + res);
                }
            }

            event.close();
        } else if (event.getEventSubType() == CometEvent.EventSubType.TIMEOUT) {
            if (logger.isLoggable(Level.FINE)) {
                logger.fine("Timing out " + res);
            }
            action = timedout(req, res);
            event.close();
        } else if (event.getEventType() == EventType.ERROR) {
            event.close();
        } else if (event.getEventType() == EventType.END) {
            if (!resumed.remove(event)) {
                if (logger.isLoggable(Level.FINE)) {
                    logger.fine("Client closed connection " + res);
                }
                action = cancelled(req, res);
            } else {
                if (logger.isLoggable(Level.FINE)) {
                    logger.fine("Cancelling " + res);
                }
            }

            event.close();
        }
        return action;
    }
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    @Override
    public void action(AtmosphereResourceImpl resource) {
        super.action(resource);
        if (resource.action().type == Action.TYPE.RESUME && resource.isInScope()) {
            try {
                CometEvent event = (CometEvent) resource.getRequest().getAttribute(COMET_EVENT);
                if (event == null) return;
                resumed.offer(event);

                // Resume without closing the underlying suspended connection.
                if (config.getInitParameter(AtmosphereServlet.RESUME_AND_KEEPALIVE) == null
                        || config.getInitParameter(AtmosphereServlet.RESUME_AND_KEEPALIVE).equalsIgnoreCase("false")) {
                    event.close();
                }
            } catch (IOException ex) {
                if (logger.isLoggable(Level.FINE)) {
                    logger.log(Level.FINE, "", ex);
                }
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    public Action cancelled(HttpServletRequest req, HttpServletResponse res)
            throws IOException, ServletException {

        Action action =  super.cancelled(req,res);
        if (req.getAttribute(MAX_INACTIVE) != null && Long.class.cast(req.getAttribute(MAX_INACTIVE)) == -1) {
           CometEvent event = (CometEvent) req.getAttribute(COMET_EVENT);
           if (event == null) return action;
           resumed.offer(event);
           event.close();
        }
        return action;
    }
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                        suspend(action, req, res);
                    }
                }
            }
        } finally {
            CometEvent event = (CometEvent) req.getAttribute(TomcatCometSupport.COMET_EVENT);
            if (event != null)
                event.close();

            HttpEvent he = (HttpEvent) req.getAttribute(JBossWebCometSupport.HTTP_EVENT);
            if (he != null)
                he.close();
        }
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     */
    public void doFilterEvent(CometEvent event)
        throws IOException, ServletException {

        if( Globals.IS_SECURITY_ENABLED ) {
            final CometEvent ev = event;
            try {
                java.security.AccessController.doPrivileged(
                    new java.security.PrivilegedExceptionAction() {
                        public Object run()
                            throws ServletException, IOException {
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                support.fireInstanceEvent(InstanceEvent.BEFORE_FILTER_EVENT,
                        filter, event);
                        */

                if( Globals.IS_SECURITY_ENABLED ) {
                    final CometEvent ev = event;
                    Principal principal =
                        ev.getHttpServletRequest().getUserPrincipal();

                    Object[] args = new Object[]{ev, this};
                    SecurityUtil.doAsPrivilege
                        ("doFilterEvent", (Filter) filter, cometClassType, args);

                    args = null;
                } else { 
                    filter.doFilterEvent(event, this);
                }

                /*support.fireInstanceEvent(InstanceEvent.AFTER_FILTER_EVENT,
                        filter, event);*/
            } catch (IOException e) {
                /*
                if (filter != null)
                    support.fireInstanceEvent(InstanceEvent.AFTER_FILTER_EVENT,
                            filter, event, e);
                            */
                throw e;
            } catch (ServletException e) {
                /*
                if (filter != null)
                    support.fireInstanceEvent(InstanceEvent.AFTER_FILTER_EVENT,
                            filter, event, e);
                            */
                throw e;
            } catch (RuntimeException e) {
                /*
                if (filter != null)
                    support.fireInstanceEvent(InstanceEvent.AFTER_FILTER_EVENT,
                            filter, event, e);
                            */
                throw e;
            } catch (Throwable e) {
                /*if (filter != null)
                    support.fireInstanceEvent(InstanceEvent.AFTER_FILTER_EVENT,
                            filter, event, e);*/
                throw new ServletException
                    (sm.getString("filterChain.filter"), e);
            }
            return;
        }

        // We fell off the end of the chain -- call the servlet instance
        try {
            /*
            support.fireInstanceEvent(InstanceEvent.BEFORE_SERVICE_EVENT,
                    servlet, request, response);
                    */
            if( Globals.IS_SECURITY_ENABLED ) {
                final CometEvent ev = event;
                Principal principal =
                    ev.getHttpServletRequest().getUserPrincipal();
                Object[] args = new Object[]{ ev };
                SecurityUtil.doAsPrivilege("event",
                        servlet,
                        classTypeUsedInEvent,
                        args,
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Related Classes of org.apache.catalina.CometEvent

  • de.jochenbrissier.backyard.web.BackyardTomcatServlet
  • org.apache.catalina.core.ApplicationFilterChain
  • org.atmosphere.container.BlockingIOCometSupport
  • org.atmosphere.container.TomcatCometSupport
  • org.directwebremoting.server.tomcat.TomcatContainerAbstraction
  • org.jboss.errai.bus.server.servlet.TomcatCometServlet
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