/*
* Demoiselle Framework
* Copyright (C) 2010 SERPRO
* ----------------------------------------------------------------------------
* This file is part of Demoiselle Framework.
*
* Demoiselle Framework is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public License version 3
* as published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License version 3
* along with this program; if not, see <http://www.gnu.org/licenses/>
* or write to the Free Software Foundation, Inc., 51 Franklin Street,
* Fifth Floor, Boston, MA 02110-1301, USA.
* ----------------------------------------------------------------------------
* Este arquivo é parte do Framework Demoiselle.
*
* O Framework Demoiselle é um software livre; você pode redistribuí-lo e/ou
* modificá-lo dentro dos termos da GNU LGPL versão 3 como publicada pela Fundação
* do Software Livre (FSF).
*
* Este programa é distribuído na esperança que possa ser útil, mas SEM NENHUMA
* GARANTIA; sem uma garantia implícita de ADEQUAÇÃO a qualquer MERCADO ou
* APLICAÇÃO EM PARTICULAR. Veja a Licença Pública Geral GNU/LGPL em português
* para maiores detalhes.
*
* Você deve ter recebido uma cópia da GNU LGPL versão 3, sob o título
* "LICENCA.txt", junto com esse programa. Se não, acesse <http://www.gnu.org/licenses/>
* ou escreva para a Fundação do Software Livre (FSF) Inc.,
* 51 Franklin St, Fifth Floor, Boston, MA 02111-1301, USA.
*/
package br.gov.frameworkdemoiselle.internal.bootstrap;
import java.lang.annotation.Annotation;
import java.util.ArrayList;
import java.util.Collections;
import java.util.Iterator;
import java.util.List;
import java.util.Locale;
import javax.enterprise.context.ConversationScoped;
import javax.enterprise.context.RequestScoped;
import javax.enterprise.context.SessionScoped;
import javax.enterprise.event.Observes;
import javax.enterprise.inject.spi.AfterBeanDiscovery;
import javax.enterprise.inject.spi.AnnotatedMethod;
import javax.enterprise.inject.spi.AnnotatedType;
import javax.enterprise.inject.spi.Extension;
import javax.enterprise.inject.spi.ProcessAnnotatedType;
import org.slf4j.Logger;
import br.gov.frameworkdemoiselle.DemoiselleException;
import br.gov.frameworkdemoiselle.annotation.ViewScoped;
import br.gov.frameworkdemoiselle.internal.context.ContextManager;
import br.gov.frameworkdemoiselle.internal.context.ThreadLocalContext;
import br.gov.frameworkdemoiselle.internal.implementation.AnnotatedMethodProcessor;
import br.gov.frameworkdemoiselle.internal.producer.ResourceBundleProducer;
import br.gov.frameworkdemoiselle.util.Reflections;
import br.gov.frameworkdemoiselle.util.ResourceBundle;
public abstract class AbstractLifecycleBootstrap<A extends Annotation> implements Extension {
private Class<A> annotationClass;
@SuppressWarnings("rawtypes")
private List<AnnotatedMethodProcessor> processors = Collections
.synchronizedList(new ArrayList<AnnotatedMethodProcessor>());
private boolean registered = false;
private ResourceBundle bundle;
protected abstract Logger getLogger();
protected ResourceBundle getBundle() {
if (this.bundle == null) {
this.bundle = ResourceBundleProducer.create("demoiselle-core-bundle", Locale.getDefault());
}
return this.bundle;
}
protected <T> AnnotatedMethodProcessor<T> newProcessorInstance(AnnotatedMethod<T> annotatedMethod) {
return new AnnotatedMethodProcessor<T>(annotatedMethod);
}
protected Class<A> getAnnotationClass() {
if (this.annotationClass == null) {
this.annotationClass = Reflections.getGenericTypeArgument(this.getClass(), 0);
}
return this.annotationClass;
}
@SuppressWarnings("unchecked")
public <T> void processAnnotatedType(@Observes final ProcessAnnotatedType<T> event) {
final AnnotatedType<T> annotatedType = event.getAnnotatedType();
for (AnnotatedMethod<?> am : annotatedType.getMethods()) {
if (am.isAnnotationPresent(getAnnotationClass())) {
processors.add(newProcessorInstance((AnnotatedMethod<T>) am));
}
}
}
public void loadTempContexts(@Observes final AfterBeanDiscovery event) {
// Caso este bootstrap rode antes do CoreBootstrap. Não há problemas em chamar este método várias vezes, ele
// ignora chamadas adicionais.
ContextManager.initialize(event);
// Não registrar o contexto de aplicação pq ele já é registrado pela implementação do CDI
ContextManager.add(new ThreadLocalContext(ViewScoped.class), event);
ContextManager.add(new ThreadLocalContext(SessionScoped.class), event);
ContextManager.add(new ThreadLocalContext(ConversationScoped.class), event);
ContextManager.add(new ThreadLocalContext(RequestScoped.class), event);
}
@SuppressWarnings({ "unchecked", "rawtypes" })
protected synchronized void proccessEvent() {
getLogger().debug(getBundle().getString("executing-all", getAnnotationClass().getSimpleName()));
Collections.sort(processors);
Exception failure = null;
if (!registered) {
ContextManager.activate(ThreadLocalContext.class, ViewScoped.class);
ContextManager.activate(ThreadLocalContext.class, SessionScoped.class);
ContextManager.activate(ThreadLocalContext.class, ConversationScoped.class);
ContextManager.activate(ThreadLocalContext.class, RequestScoped.class);
registered = true;
}
for (Iterator<AnnotatedMethodProcessor> iter = processors.iterator(); iter.hasNext();) {
AnnotatedMethodProcessor<?> processor = iter.next();
try {
ClassLoader classLoader = Reflections.getClassLoaderForClass(processor.getAnnotatedMethod()
.getDeclaringType().getJavaClass().getCanonicalName());
if (Thread.currentThread().getContextClassLoader().equals(classLoader)) {
processor.process();
iter.remove();
}
} catch (Exception cause) {
failure = cause;
}
}
if (processors.isEmpty()) {
ContextManager.deactivate(ThreadLocalContext.class, ViewScoped.class);
ContextManager.deactivate(ThreadLocalContext.class, SessionScoped.class);
ContextManager.deactivate(ThreadLocalContext.class, ConversationScoped.class);
ContextManager.deactivate(ThreadLocalContext.class, RequestScoped.class);
}
if (failure != null) {
throw new DemoiselleException(failure);
}
}
}