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

import jakarta.enterprise.inject.spi.InjectionTargetFactory;
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 implementation 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 [email protected]
 * @author [email protected]
 */
@Service
public class WebComponentInjectionManager implements WebComponentDecorator {
    @SuppressWarnings("unchecked")
    @Override
    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 deployments = deploymentImpl.getBeanDeploymentArchives();
            BeanDeploymentArchive beanDeploymentArchive = deployments.iterator().next();
            BeanManager beanManager = weldBootstrap.getManager(beanDeploymentArchive);
            // PENDING : Not available in this Web Beans Release
            CreationalContext ccontext = beanManager.createCreationalContext(null);
            @SuppressWarnings("rawtypes")
            Class clazz = (Class) webComponent.getClass();
            AnnotatedType annotatedType = beanManager.createAnnotatedType(clazz);
            InjectionTargetFactory itf = beanManager.getInjectionTargetFactory(annotatedType);
            InjectionTarget it = itf.createInjectionTarget(null);
            it.inject(webComponent, ccontext);
        }
    }
}