Examples with MBean org.apache.openejb.api.jmx.MBean used on opensource projects

Example 1 with MBean

use of org.apache.openejb.api.jmx.MBean in project tomee by apache.

the class Assembler method deployMBean.

@SuppressWarnings("unchecked")
private void deployMBean(final WebBeansContext wc, final ClassLoader cl, final String mbeanClass, final Properties appMbeans, final String id) {
    if (LocalMBeanServer.isJMXActive()) {
        final Class<?> clazz;
        try {
            clazz = cl.loadClass(mbeanClass);
        } catch (final ClassNotFoundException e) {
            throw new OpenEJBRuntimeException(e);
        }
        // cdi can be off so init with null bean in this case
        final Bean<?> bean;
        final BeanManager bm;
        if (wc == null) {
            bm = null;
            bean = null;
        } else {
            bm = wc.getBeanManagerImpl();
            final Set<Bean<?>> beans = bm.getBeans(clazz);
            bean = bm.resolve(beans);
        }
        // create the MBean instance with cdi if possible or manually otherwise
        final Object instance;
        final CreationalContext creationalContext;
        if (bean == null) {
            try {
                instance = clazz.newInstance();
            } catch (final InstantiationException e) {
                logger.error("the mbean " + mbeanClass + " can't be registered because it can't be instantiated", e);
                return;
            } catch (final IllegalAccessException e) {
                logger.error("the mbean " + mbeanClass + " can't be registered because it can't be accessed", e);
                return;
            }
            creationalContext = null;
        } else {
            creationalContext = bm.createCreationalContext(bean);
            instance = bm.getReference(bean, clazz, creationalContext);
        }
        final MBeanServer server = LocalMBeanServer.get();
        try {
            final MBean annotation = clazz.getAnnotation(MBean.class);
            final ObjectName leaf = annotation == null || annotation.objectName().isEmpty() ? new ObjectNameBuilder("openejb.user.mbeans").set("application", id).set("group", clazz.getPackage().getName()).set("name", clazz.getSimpleName()).build() : new ObjectName(annotation.objectName());
            server.registerMBean(new DynamicMBeanWrapper(wc, instance), leaf);
            appMbeans.put(mbeanClass, leaf.getCanonicalName());
            if (creationalContext != null && (bean.getScope() == null || Dependent.class.equals(bean.getScope()))) {
                creationalContextForAppMbeans.put(leaf, creationalContext);
            }
            logger.info("Deployed MBean(" + leaf.getCanonicalName() + ")");
        } catch (final Exception e) {
            logger.error("the mbean " + mbeanClass + " can't be registered", e);
        }
    }
}