package br.gov.frameworkdemoiselle.internal.bootstrap;
import java.lang.reflect.Modifier;
import java.util.ArrayList;
import java.util.Collections;
import java.util.List;
import java.util.Locale;
import java.util.Set;
import javax.enterprise.event.Observes;
import javax.enterprise.inject.spi.AfterBeanDiscovery;
import javax.enterprise.inject.spi.AfterDeploymentValidation;
import javax.enterprise.inject.spi.AnnotatedType;
import javax.enterprise.inject.spi.Bean;
import javax.enterprise.inject.spi.BeanManager;
import javax.enterprise.inject.spi.Extension;
import javax.enterprise.inject.spi.ProcessAnnotatedType;
import br.gov.frameworkdemoiselle.DemoiselleException;
import br.gov.frameworkdemoiselle.internal.context.ContextManager;
import br.gov.frameworkdemoiselle.internal.context.ManagedContext;
import br.gov.frameworkdemoiselle.internal.management.ManagedType;
import br.gov.frameworkdemoiselle.internal.management.Management;
import br.gov.frameworkdemoiselle.internal.producer.ResourceBundleProducer;
import br.gov.frameworkdemoiselle.lifecycle.AfterShutdownProccess;
import br.gov.frameworkdemoiselle.lifecycle.ManagementExtension;
import br.gov.frameworkdemoiselle.stereotype.ManagementController;
import br.gov.frameworkdemoiselle.util.Beans;
import br.gov.frameworkdemoiselle.util.ResourceBundle;
public class ManagementBootstrap implements Extension {
protected static List<AnnotatedType<?>> types = Collections.synchronizedList(new ArrayList<AnnotatedType<?>>());
private List<Class<? extends ManagementExtension>> managementExtensionCache = Collections
.synchronizedList(new ArrayList<Class<? extends ManagementExtension>>());
public <T> void detectAnnotation(@Observes final ProcessAnnotatedType<T> event, final BeanManager beanManager) {
if (event.getAnnotatedType().isAnnotationPresent(ManagementController.class)) {
types.add(event.getAnnotatedType());
}
}
public void activateContexts(@Observes final AfterBeanDiscovery event) {
ContextManager.initialize(event);
ContextManager.add(new ManagedContext(), event);
}
@SuppressWarnings("unchecked")
public void registerAvailableManagedTypes(@Observes final AfterDeploymentValidation event, BeanManager beanManager) {
ResourceBundle bundle = ResourceBundleProducer.create("demoiselle-core-bundle", Locale.getDefault());
Management monitoringManager = Beans.getReference(Management.class);
for (AnnotatedType<?> type : types) {
if (type.getJavaClass().isInterface() || Modifier.isAbstract(type.getJavaClass().getModifiers())) {
throw new DemoiselleException(bundle.getString("management-abstract-class-defined", type.getJavaClass()
.getCanonicalName()));
}
ManagedType managedType = new ManagedType(type.getJavaClass());
monitoringManager.addManagedType(managedType);
}
Set<Bean<?>> extensionBeans = beanManager.getBeans(ManagementExtension.class);
if (extensionBeans != null) {
for (Bean<?> bean : extensionBeans) {
Class<?> extensionConcreteClass = bean.getBeanClass();
managementExtensionCache.add((Class<? extends ManagementExtension>) extensionConcreteClass);
}
}
monitoringManager.initialize(managementExtensionCache);
}
public void unregisterAvailableManagedTypes(@Observes final AfterShutdownProccess event) {
Management manager = Beans.getReference(Management.class);
manager.shutdown(managementExtensionCache);
managementExtensionCache.clear();
types.clear();
}
}