/*
* JBoss, Home of Professional Open Source.
* Copyright 2013, Red Hat, Inc., and individual contributors
* as indicated by the @author tags. See the copyright.txt file in the
* distribution for a full listing of individual contributors.
*
* This is free software; you can redistribute it and/or modify it
* under the terms of the GNU Lesser General Public License as
* published by the Free Software Foundation; either version 2.1 of
* the License, or (at your option) any later version.
*
* This software 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this software; if not, write to the Free
* Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
* 02110-1301 USA, or see the FSF site: http://www.fsf.org.
*/
package org.jboss.as.weld;
import java.util.Iterator;
import java.util.Set;
import javax.enterprise.context.spi.CreationalContext;
import javax.enterprise.inject.Default;
import javax.enterprise.inject.spi.Bean;
import javax.enterprise.inject.spi.BeanManager;
import javax.enterprise.util.AnnotationLiteral;
import javax.validation.ValidatorFactory;
import org.jboss.as.ee.beanvalidation.BeanValidationAttachments;
import org.jboss.as.ee.beanvalidation.LazyValidatorFactory;
import org.jboss.as.server.deployment.Attachments;
import org.jboss.as.server.deployment.DeploymentUnit;
import org.jboss.modules.Module;
import org.jboss.msc.service.Service;
import org.jboss.msc.service.ServiceName;
import org.jboss.msc.service.StartContext;
import org.jboss.msc.service.StartException;
import org.jboss.msc.service.StopContext;
import org.jboss.msc.value.InjectedValue;
import org.wildfly.security.manager.WildFlySecurityManager;
/**
* Service that replaces the delegate of LazyValidatorFactory with a CDI-enabled
* ValidatorFactory.
*
* @author Farah Juma
*/
public class CdiValidatorFactoryService implements Service<CdiValidatorFactoryService> {
public static final ServiceName SERVICE_NAME = ServiceName.of("CdiValidatorFactoryService");
private final InjectedValue<WeldBootstrapService> weldContainer = new InjectedValue<WeldBootstrapService>();
private final ClassLoader classLoader;
private final DeploymentUnit deploymentUnit;
/**
* Create the CdiValidatorFactoryService instance.
*
* @param deploymentUnit the deployment unit
*/
public CdiValidatorFactoryService(DeploymentUnit deploymentUnit) {
this.deploymentUnit = deploymentUnit;
final Module module = this.deploymentUnit.getAttachment(Attachments.MODULE);
this.classLoader = module.getClassLoader();
}
@Override
public void start(final StartContext context) throws StartException {
final ClassLoader cl = WildFlySecurityManager.getCurrentContextClassLoaderPrivileged();
try {
WildFlySecurityManager.setCurrentContextClassLoaderPrivileged(classLoader);
BeanManager beanManager = weldContainer.getValue().getBeanManager();
// Get the CDI-enabled ValidatorFactory
ValidatorFactory validatorFactory = getReference(ValidatorFactory.class, beanManager);
// Replace the delegate of LazyValidatorFactory
LazyValidatorFactory lazyValidatorFactory = (LazyValidatorFactory)(deploymentUnit.getAttachment(BeanValidationAttachments.VALIDATOR_FACTORY));
lazyValidatorFactory.replaceDelegate(validatorFactory);
} finally {
WildFlySecurityManager.setCurrentContextClassLoaderPrivileged(cl);
}
}
@Override
public void stop(final StopContext context) {
final ClassLoader cl = WildFlySecurityManager.getCurrentContextClassLoaderPrivileged();
try {
WildFlySecurityManager.setCurrentContextClassLoaderPrivileged(classLoader);
ValidatorFactory validatorFactory = deploymentUnit.getAttachment(BeanValidationAttachments.VALIDATOR_FACTORY);
if (validatorFactory != null) {
validatorFactory.close();
}
} finally {
WildFlySecurityManager.setCurrentContextClassLoaderPrivileged(cl);
}
}
@Override
public CdiValidatorFactoryService getValue()
throws IllegalStateException, IllegalArgumentException {
return this;
}
private <T> T getReference(Class<T> clazz, BeanManager beanManager) {
Set<Bean<?>> beans = beanManager.getBeans(clazz, new AnnotationLiteral<Default>() {});
Iterator<Bean<?>> i = beans.iterator();
if (!i.hasNext()) {
return null;
}
Bean<?> bean = i.next();
CreationalContext<?> context = beanManager.createCreationalContext(bean);
return (T) beanManager.getReference(bean, clazz, context);
}
public InjectedValue<WeldBootstrapService> getWeldContainer() {
return weldContainer;
}
}