Examples with InstanceManager org.apache.tomcat.InstanceManager used on opensource projects

Example 16 with InstanceManager

use of org.apache.tomcat.InstanceManager in project tomcat by apache.

the class OpenWebBeansContextLifecycleListener method lifecycleEvent.

@Override
public void lifecycleEvent(LifecycleEvent event) {
    if (event.getSource() instanceof Context) {
        Context context = (Context) event.getSource();
        if (event.getType().equals(Lifecycle.CONFIGURE_START_EVENT)) {
            if (getStartWithoutBeansXml() || context.getResources().getResource("/WEB-INF/beans.xml").exists() || context.getResources().getResource("/WEB-INF/classes/META-INF/beans.xml").exists()) {
                // Registering ELResolver with JSP container
                System.setProperty("org.apache.webbeans.application.jsp", "true");
                // Add Listeners
                String[] oldListeners = context.findApplicationListeners();
                LinkedList<String> listeners = new LinkedList<>();
                listeners.addFirst(WebBeansConfigurationListener.class.getName());
                for (String listener : oldListeners) {
                    listeners.add(listener);
                    context.removeApplicationListener(listener);
                }
                for (String listener : listeners) {
                    context.addApplicationListener(listener);
                }
                Pipeline pipeline = context.getPipeline();
                // Add to the corresponding pipeline to get a notification once configure is done
                if (pipeline instanceof Lifecycle) {
                    boolean contextLifecycleListenerFound = false;
                    for (LifecycleListener listener : ((Lifecycle) pipeline).findLifecycleListeners()) {
                        if (listener instanceof OpenWebBeansContextLifecycleListener) {
                            contextLifecycleListenerFound = true;
                        }
                    }
                    if (!contextLifecycleListenerFound) {
                        ((Lifecycle) pipeline).addLifecycleListener(this);
                    }
                }
                if (getAddSecurityValve()) {
                    // Add security valve
                    boolean securityValveFound = false;
                    for (Valve valve : pipeline.getValves()) {
                        if (valve instanceof OpenWebBeansSecurityValve) {
                            securityValveFound = true;
                        }
                    }
                    if (!securityValveFound) {
                        pipeline.addValve(new OpenWebBeansSecurityValve());
                    }
                }
            }
        }
    } else if (event.getSource() instanceof Pipeline && event.getType().equals(Lifecycle.START_EVENT)) {
        // This notification occurs once the configuration is fully done, including naming resources setup
        // Otherwise, the instance manager is not ready for creation
        Pipeline pipeline = (Pipeline) event.getSource();
        if (pipeline.getContainer() instanceof Context) {
            Context context = (Context) pipeline.getContainer();
            if (!(context.getInstanceManager() instanceof OpenWebBeansInstanceManager)) {
                InstanceManager processor = context.getInstanceManager();
                if (processor == null) {
                    processor = context.createInstanceManager();
                }
                InstanceManager custom = new OpenWebBeansInstanceManager(context.getLoader().getClassLoader(), processor);
                context.setInstanceManager(custom);
            }
        }
    }
}