Package org.jboss.as.weld.deployment.processors

Source Code of org.jboss.as.weld.deployment.processors.WeldComponentIntegrationProcessor

/*
* JBoss, Home of Professional Open Source
* Copyright 2010, Red Hat Inc., and individual contributors as indicated
* by the @authors tag. See the copyright.txt 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.deployment.processors;

import org.jboss.as.ee.component.ComponentConfiguration;
import org.jboss.as.ee.component.ComponentConfigurator;
import org.jboss.as.ee.component.ComponentDescription;
import org.jboss.as.ee.component.DependencyConfigurator;
import org.jboss.as.ee.component.EEApplicationDescription;
import org.jboss.as.ee.component.EEModuleClassConfiguration;
import org.jboss.as.ee.component.EEModuleDescription;
import org.jboss.as.ee.component.InterceptorDescription;
import org.jboss.as.ee.component.interceptors.InterceptorOrder;
import org.jboss.as.ejb3.component.session.SessionBeanComponentDescription;
import org.jboss.as.server.deployment.Attachments;
import org.jboss.as.server.deployment.DeploymentPhaseContext;
import org.jboss.as.server.deployment.DeploymentUnit;
import org.jboss.as.server.deployment.DeploymentUnitProcessingException;
import org.jboss.as.server.deployment.DeploymentUnitProcessor;
import org.jboss.as.weld.WeldContainer;
import org.jboss.as.weld.WeldDeploymentMarker;
import org.jboss.as.weld.injection.WeldInjectionInterceptor;
import org.jboss.as.weld.injection.WeldManagedReferenceFactory;
import org.jboss.as.weld.services.WeldService;
import org.jboss.modules.ModuleClassLoader;
import org.jboss.msc.service.ServiceBuilder;
import org.jboss.msc.service.ServiceName;
import org.jboss.msc.service.ServiceTarget;

import java.util.HashSet;
import java.util.Set;

/**
* Deployment unit processor that add the {@link org.jboss.as.weld.injection.WeldManagedReferenceFactory} instantiator
* to components that are part of a bean archive.
*
* @author Stuart Douglas
*/
public class WeldComponentIntegrationProcessor implements DeploymentUnitProcessor {

    @Override
    public void deploy(DeploymentPhaseContext phaseContext) throws DeploymentUnitProcessingException {
        final DeploymentUnit deploymentUnit = phaseContext.getDeploymentUnit();

        if (!WeldDeploymentMarker.isWeldDeployment(deploymentUnit)) {
            return;
        }


        final DeploymentUnit topLevelDeployment = deploymentUnit.getParent() == null ? deploymentUnit : deploymentUnit.getParent();
        final EEModuleDescription eeModuleDescription = deploymentUnit.getAttachment(org.jboss.as.ee.component.Attachments.EE_MODULE_DESCRIPTION);
        final ServiceName weldServiceName = topLevelDeployment.getServiceName().append(WeldService.SERVICE_NAME);

        for (ComponentDescription component : eeModuleDescription.getComponentDescriptions()) {
            final String beanName;
            if (component instanceof SessionBeanComponentDescription) {
                beanName = component.getComponentName();
            } else {
                beanName = null;
            }
            component.getConfigurators().addFirst(new ComponentConfigurator() {
                @Override
                public void configure(final DeploymentPhaseContext context, final ComponentDescription description, final ComponentConfiguration configuration) throws DeploymentUnitProcessingException {
                    final Class<?> componentClass = configuration.getModuleClassConfiguration().getModuleClass();
                    final DeploymentUnit deploymentUnit = context.getDeploymentUnit();
                    final ModuleClassLoader classLoader = deploymentUnit.getAttachment(Attachments.MODULE).getClassLoader();
                    final EEApplicationDescription applicationDescription = deploymentUnit.getAttachment(org.jboss.as.ee.component.Attachments.EE_APPLICATION_DESCRIPTION);


                    //get the interceptors so they can be injected as well
                    final Set<Class<?>> interceptorClasses = new HashSet<Class<?>>();
                    for (InterceptorDescription interceptorDescription : description.getAllInterceptors()) {
                        EEModuleClassConfiguration clazz = applicationDescription.getClassConfiguration(interceptorDescription.getInterceptorClassName());
                        if (clazz != null) {
                            interceptorClasses.add(clazz.getModuleClass());
                        }
                    }


                    addWeldInstantiator(context.getServiceTarget(), configuration, componentClass, beanName, weldServiceName, interceptorClasses, classLoader, description.getBeanDeploymentArchiveId());

                    configuration.addPostConstructInterceptor(new WeldInjectionInterceptor.Factory(configuration, interceptorClasses), InterceptorOrder.ComponentPostConstruct.WELD_INJECTION);
                }
            });

        }

    }

    /**
     * As the weld based instantiator needs access to the bean manager it is installed as a service.
     */
    private void addWeldInstantiator(final ServiceTarget target, final ComponentConfiguration configuration, final Class<?> componentClass, final String beanName, final ServiceName weldServiceName, final Set<Class<?>> interceptorClasses, final ClassLoader classLoader, final String beanDeploymentArchiveId) {

        final ServiceName serviceName = configuration.getComponentDescription().getServiceName().append("WeldInstantiator");

        final WeldManagedReferenceFactory factory = new WeldManagedReferenceFactory(componentClass, beanName, interceptorClasses, classLoader, beanDeploymentArchiveId);

        target.addService(serviceName, factory)
                .addDependency(weldServiceName, WeldContainer.class, factory.getWeldContainer())
                .install();

        configuration.setInstanceFactory(factory);
        configuration.getStartDependencies().add(new DependencyConfigurator() {
            @Override
            public void configureDependency(final ServiceBuilder<?> serviceBuilder) throws DeploymentUnitProcessingException {
                serviceBuilder.addDependency(serviceName);
            }
        });
    }

    @Override
    public void undeploy(DeploymentUnit context) {

    }
}
TOP

Related Classes of org.jboss.as.weld.deployment.processors.WeldComponentIntegrationProcessor

TOP
Copyright © 2018 www.massapi.com. All rights reserved.
All source code are property of their respective owners. Java is a trademark of Sun Microsystems, Inc and owned by ORACLE Inc. Contact coftware#gmail.com.