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Micro Distribution of the Payara Project for IBM JDK
/*
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
*
* Copyright (c) 2014 Oracle and/or its affiliates. All rights reserved.
*
* The contents of this file are subject to the terms of either the GNU
* General Public License Version 2 only ("GPL") or the Common Development
* and Distribution License("CDDL") (collectively, the "License"). You
* may not use this file except in compliance with the License. You can
* obtain a copy of the License at
* https://glassfish.dev.java.net/public/CDDL+GPL_1_1.html
* or packager/legal/LICENSE.txt. See the License for the specific
* language governing permissions and limitations under the License.
*
* When distributing the software, include this License Header Notice in each
* file and include the License file at packager/legal/LICENSE.txt.
*
* GPL Classpath Exception:
* Oracle designates this particular file as subject to the "Classpath"
* exception as provided by Oracle in the GPL Version 2 section of the License
* file that accompanied this code.
*
* Modifications:
* If applicable, add the following below the License Header, with the fields
* enclosed by brackets [] replaced by your own identifying information:
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* its licensees as provided above. However, if you add GPL Version 2 code
* and therefore, elected the GPL Version 2 license, then the option applies
* only if the new code is made subject to such option by the copyright
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*/
// Portions Copyright [2017] [Payara Foundation and/or its affiliates]
package org.glassfish.cdi.transaction;
import org.glassfish.logging.annotation.LogMessagesResourceBundle;
import org.glassfish.logging.annotation.LoggerInfo;
import javax.enterprise.context.Dependent;
import javax.enterprise.context.spi.CreationalContext;
import javax.enterprise.inject.Any;
import javax.enterprise.inject.Default;
import javax.enterprise.inject.spi.*;
import javax.enterprise.util.AnnotationLiteral;
import java.lang.annotation.Annotation;
import java.lang.reflect.Type;
import java.util.Collections;
import java.util.HashSet;
import java.util.Set;
import java.util.logging.Level;
import java.util.logging.Logger;
/**
* This class contains utility methods used for TransactionScoped related CDI event processing.
* @author Arjav Desai
*/
public class TransactionScopedCDIUtil {
public static final String INITIALIZED_EVENT = "INITIALIZED_EVENT";
public static final String DESTORYED_EVENT = "DESTORYED_EVENT";
@LogMessagesResourceBundle
public static final String SHARED_LOGMESSAGE_RESOURCE = "org.glassfish.cdi.LogMessages";
@LoggerInfo(subsystem = "AS-CDI-JTA", description = "CDI-JTA", publish = true)
public static final String CDI_JTA_LOGGER_SUBSYSTEM_NAME = "javax.enterprise.resource.jta";
private static final Logger _logger = Logger.getLogger(CDI_JTA_LOGGER_SUBSYSTEM_NAME,
SHARED_LOGMESSAGE_RESOURCE);
public static void log(String message){
_logger.log(Level.WARNING,message);
}
/* Copied from JSF */
@SuppressWarnings("unchecked")
public static Bean createHelperBean(BeanManager beanManager, Class beanClass) {
BeanWrapper result = null;
AnnotatedType annotatedType = beanManager.createAnnotatedType(beanClass);
result = new BeanWrapper(beanClass);
//use this to create the class and inject dependencies
InjectionTargetFactory factory = beanManager.getInjectionTargetFactory(annotatedType);
final InjectionTarget injectionTarget = factory.createInjectionTarget(result);
result.setInjectionTarget(injectionTarget);
return result;
}
public static void fireEvent(String eventType) {
BeanManager beanManager = null;
try {
beanManager = CDI.current().getBeanManager();
} catch (Exception e){
TransactionScopedCDIUtil.log("Can't get instance of BeanManager to process TransactionScoped CDI Event!");
}
if (beanManager != null) {
//TransactionScopedCDIEventHelperImpl AnnotatedType is created in Extension
Set> availableBeans = beanManager.getBeans(TransactionScopedCDIEventHelperImpl.class);
if (null != availableBeans && !availableBeans.isEmpty()) {
Bean bean = beanManager.resolve(availableBeans);
TransactionScopedCDIEventHelper eventHelper =
(TransactionScopedCDIEventHelper) beanManager.getReference(bean, bean.getBeanClass(),
beanManager.createCreationalContext(null));
if (eventType.equalsIgnoreCase(INITIALIZED_EVENT))
eventHelper.fireInitializedEvent(new TransactionScopedCDIEventPayload());
else
eventHelper.fireDestroyedEvent(new TransactionScopedCDIEventPayload());
}
} else {
TransactionScopedCDIUtil.log("Can't get instance of BeanManager to process TransactionScoped CDI Event!");
}
}
/* Copied from JSF */
private static class BeanWrapper implements Bean {
private Class beanClass;
private InjectionTarget injectionTarget = null;
public BeanWrapper(Class beanClass) {
this.beanClass = beanClass;
}
private void setInjectionTarget(InjectionTarget injectionTarget) {
this.injectionTarget = injectionTarget;
}
@Override
public Class getBeanClass() {
return beanClass;
}
@Override
@SuppressWarnings("unchecked")
public Set getInjectionPoints() {
return injectionTarget.getInjectionPoints();
}
@Override
public String getName() {
return null;
}
@Override
public Set getQualifiers() {
Set qualifiers = new HashSet();
qualifiers.add(new DefaultAnnotationLiteral());
qualifiers.add(new AnyAnnotationLiteral());
return qualifiers;
}
public static class DefaultAnnotationLiteral extends AnnotationLiteral {
private static final long serialVersionUID = -9065007202240742004L;
}
public static class AnyAnnotationLiteral extends AnnotationLiteral {
private static final long serialVersionUID = -4700109250603725375L;
}
@Override
public Class getScope() {
return Dependent.class;
}
@Override
public Set> getStereotypes() {
return Collections.emptySet();
}
@Override
public Set getTypes() {
Set types = new HashSet();
types.add(beanClass);
types.add(Object.class);
return types;
}
@Override
public boolean isAlternative() {
return false;
}
@Override
public boolean isNullable() {
return false;
}
@Override
@SuppressWarnings("unchecked")
public Object create(CreationalContext ctx) {
Object instance = injectionTarget.produce(ctx);
injectionTarget.inject(instance, ctx);
injectionTarget.postConstruct(instance);
return instance;
}
@Override
@SuppressWarnings("unchecked")
public void destroy(Object instance, CreationalContext ctx) {
injectionTarget.preDestroy(instance);
injectionTarget.dispose(instance);
ctx.release();
}
}
}
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