Examples with DistributionTrigger org.apache.sling.distribution.trigger.DistributionTrigger used on opensource projects

Example 1 with DistributionTrigger

use of org.apache.sling.distribution.trigger.DistributionTrigger in project sling by apache.

the class AbstractDistributionAgentFactory method deactivate.

void deactivate(BundleContext context) {
    if (componentReg != null) {
        ServiceReference reference = componentReg.getReference();
        Object service = context.getService(reference);
        if (service instanceof SimpleDistributionAgent) {
            SimpleDistributionAgent agent = (SimpleDistributionAgent) service;
            for (DistributionTrigger trigger : triggers) {
                agent.disableTrigger(trigger);
            }
            triggers.clear();
            triggersEnabled = false;
            agent.disable();
        }
        if (safeUnregister(componentReg)) {
            componentReg = null;
        }
        agent = null;
    }
    if (safeUnregister(mbeanServiceRegistration)) {
        mbeanServiceRegistration = null;
    }
    log.info("deactivated agent {}", agentName);
}

Example 2 with DistributionTrigger

use of org.apache.sling.distribution.trigger.DistributionTrigger in project sling by apache.

the class AbstractDistributionAgentFactory method activate.

void activate(BundleContext context, Map<String, Object> config) {
    log.info("activating with config {}", OsgiUtils.osgiPropertyMapToString(config));
    // inject configuration
    Dictionary<String, Object> props = new Hashtable<String, Object>();
    boolean enabled = PropertiesUtil.toBoolean(config.get(ENABLED), true);
    String triggersTarget = SettingsUtils.removeEmptyEntry(PropertiesUtil.toString(config.get(TRIGGERS_TARGET), null));
    triggersEnabled = triggersTarget != null && triggersTarget.trim().length() > 0;
    agentName = PropertiesUtil.toString(config.get(NAME), null);
    if (enabled && agentName != null) {
        for (Map.Entry<String, Object> entry : config.entrySet()) {
            // skip service and component related properties
            if (entry.getKey().startsWith("service.") || entry.getKey().startsWith("component.")) {
                continue;
            }
            props.put(entry.getKey(), entry.getValue());
        }
        if (componentReg == null) {
            DefaultDistributionLog distributionLog = null;
            try {
                String logLevel = PropertiesUtil.toString(config.get(LOG_LEVEL), DefaultDistributionLog.LogLevel.INFO.name());
                DefaultDistributionLog.LogLevel level = DefaultDistributionLog.LogLevel.valueOf(logLevel.trim().toUpperCase());
                if (level == null) {
                    level = DefaultDistributionLog.LogLevel.INFO;
                }
                distributionLog = new DefaultDistributionLog(DistributionComponentKind.AGENT, agentName, SimpleDistributionAgent.class, level);
                agent = createAgent(agentName, context, config, distributionLog);
            } catch (Throwable t) {
                if (distributionLog != null) {
                    distributionLog.error("Cannot create agent", t);
                }
                log.error("Cannot create agent {}", OsgiUtils.osgiPropertyMapToString(config), t);
            }
            if (agent != null) {
                // register agent service
                componentReg = context.registerService(DistributionAgent.class.getName(), agent, props);
                agent.enable();
                if (triggersEnabled) {
                    for (DistributionTrigger trigger : triggers) {
                        agent.enableTrigger(trigger);
                    }
                }
                Dictionary<String, String> mbeanProps = new Hashtable<String, String>();
                mbeanProps.put("jmx.objectname", "org.apache.sling.distribution:type=agent,id=" + ObjectName.quote(agentName));
                DistributionAgentMBeanType mbean = createMBeanAgent(agent, config);
                mbeanServiceRegistration = context.registerService(distributionAgentMBeanType.getName(), mbean, mbeanProps);
            }
            log.info("activated agent {}", agentName);
        }
    }
}

Example 3 with DistributionTrigger

use of org.apache.sling.distribution.trigger.DistributionTrigger in project sling by apache.

the class DistributionTriggerServlet method doGet.

@Override
protected void doGet(SlingHttpServletRequest request, SlingHttpServletResponse response) throws ServletException, IOException {
    String secondsParameter = request.getParameter("sec");
    int seconds = secondsParameter != null && secondsParameter.length() > 0 ? Integer.parseInt(secondsParameter) : DEFAULT_NUMBER_OF_SECONDS;
    if (seconds > MAX_NUMBER_OF_SECONDS) {
        seconds = MAX_NUMBER_OF_SECONDS;
    } else if (seconds < 0) {
        seconds = DEFAULT_NUMBER_OF_SECONDS;
    }
    DistributionTrigger distributionTrigger = request.getResource().adaptTo(DistributionTrigger.class);
    // setup SSE headers
    response.setContentType("text/event-stream");
    response.setCharacterEncoding("UTF-8");
    response.setHeader("Cache-Control", "no-cache");
    response.setHeader("Connection", "keep-alive");
    // needed to allow e.g. the JavaScript EventSource API to make a call from author to this server and listen for the events
    //        response.setHeader("Access-Control-Allow-Origin", request.getHeader("Origin")); // allowed origins should be explicitly configured
    //        response.setHeader("Access-Control-Allow-Credentials", "true");
    final PrintWriter writer = response.getWriter();
    DistributionRequestHandler distributionRequestHandler = new DistributionRequestHandler() {

        public void handle(@Nullable ResourceResolver resourceResolver, @Nonnull DistributionRequest request) {
            writeEvent(writer, request);
        }
    };
    try {
        distributionTrigger.register(distributionRequestHandler);
        try {
            Thread.sleep(seconds * 1000);
        } catch (InterruptedException e) {
            log.error("thread interrupted", e);
        }
        distributionTrigger.unregister(distributionRequestHandler);
    } catch (DistributionException e) {
        response.setStatus(400);
        response.getWriter().write("error while (un)registering trigger " + e.toString());
    }
}