WebComponentInjectionManager.java

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package org.glassfish.weld;

import com.sun.enterprise.web.WebComponentDecorator;
import com.sun.enterprise.web.WebModule;

import java.util.Collection;

import javax.enterprise.context.spi.CreationalContext;
import javax.enterprise.inject.spi.AnnotatedType;
import javax.enterprise.inject.spi.BeanManager;
import javax.enterprise.inject.spi.InjectionTarget;

import org.glassfish.api.deployment.DeploymentContext;
import org.jboss.weld.bootstrap.WeldBootstrap;
import org.jboss.weld.bootstrap.spi.BeanDeploymentArchive;
import org.jvnet.hk2.annotations.Service;

/**
 * This is a decorator which calls Weld implemetation to
 * do necessary injection of a web component. It is called by
 * {@link com.sun.web.server.J2EEInstanceListener}
 * before a web component is put into service.
 *
 * @author Sanjeeb.Sahoo@Sun.COM
 * @author Roger.Kitain@Sun.COM
 */
@Service
public class WebComponentInjectionManager<T> implements WebComponentDecorator<T> {
    @SuppressWarnings("unchecked")
    public void decorate(T webComponent, WebModule wm) {
        if (wm.getWebBundleDescriptor().hasExtensionProperty(WeldDeployer.WELD_EXTENSION)) {
            DeploymentContext deploymentContext = wm.getWebModuleConfig().getDeploymentContext();
            WeldBootstrap weldBootstrap = deploymentContext.getTransientAppMetaData(
                WeldDeployer.WELD_BOOTSTRAP, org.jboss.weld.bootstrap.WeldBootstrap.class);

            DeploymentImpl deploymentImpl = deploymentContext.getTransientAppMetaData(
                WeldDeployer.WELD_DEPLOYMENT, DeploymentImpl.class); 
            Collection<BeanDeploymentArchive> deployments = deploymentImpl.getBeanDeploymentArchives();
            BeanDeploymentArchive beanDeploymentArchive = deployments.iterator().next();
            BeanManager beanManager = weldBootstrap.getManager(beanDeploymentArchive);
            // PENDING : Not available in this Web Beans Release
            CreationalContext<T> ccontext = beanManager.createCreationalContext(null);
            @SuppressWarnings("rawtypes")
            Class<T> clazz = (Class<T>) webComponent.getClass();
            AnnotatedType<T> annotatedType = beanManager.createAnnotatedType(clazz);
            InjectionTarget<T> injectionTarget = beanManager.createInjectionTarget(annotatedType);
            injectionTarget.inject(webComponent, ccontext);
        }
    }
}