/**
* Register the component as MBean. The implementation uses the known DynamicMBeanProvider
* instances to get the MBean from the component.
*
* @see com.picocontainer.PicoVisitor#visitComponentAdapter(com.picocontainer.ComponentAdapter)
*/
@Override
public void visitComponentAdapter(final ComponentAdapter componentAdapter) {
super.visitComponentAdapter(componentAdapter);
if (picoContainer == null) {
throw new JMXRegistrationException(
"Cannot start JMXVisitor traversal with a ComponentAdapter");
}
if (!visited.contains(componentAdapter.getComponentKey())) {
visited.add(componentAdapter.getComponentKey());
for (final DynamicMBeanProvider provider : mBeanProviders) {
final JMXRegistrationInfo info = provider.provide(picoContainer, componentAdapter);
if (info != null) {
registeredInfo.add(register(info.getMBean(), info.getObjectName()));
break;
}
}
}
}
/**
* Retrieve the component instance. The implementation will automatically register it in the
* {@link MBeanServer}, if a provider can return a {@link javax.management.DynamicMBean} for it.
*
* <p>Note, that you will have to wrap this {@link ComponentAdapter} with a {@link
* CachingComponentAdapter} to avoid the registration of the same component again.
*
* @throws PicoInitializationException Thrown by the delegate or if the registering of the {@link
* javax.management.DynamicMBean} in the {@link MBeanServer } fails.
* @see
* org.picocontainer.defaults.DecoratingComponentAdapter#getComponentInstance(org.picocontainer.PicoContainer)
*/
public Object getComponentInstance(final PicoContainer container)
throws PicoInitializationException, PicoIntrospectionException {
final ComponentAdapter componentAdapter = new CachingComponentAdapter(getDelegate());
final Object componentInstance = componentAdapter.getComponentInstance(container);
for (int i = 0; i < providers.length; ++i) {
final JMXRegistrationInfo info = providers[i].provide(container, componentAdapter);
if (info != null) {
Exception exception = null;
try {
mBeanServer.registerMBean(info.getMBean(), info.getObjectName());
} catch (final InstanceAlreadyExistsException e) {
exception = e;
} catch (final MBeanRegistrationException e) {
exception = e;
} catch (final NotCompliantMBeanException e) {
exception = e;
}
if (exception != null) {
throw new PicoInitializationException("Registering MBean failed", exception);
}
}
}
return componentInstance;
}
