Package org.glassfish.weld.services

Source Code of org.glassfish.weld.services.InjectionServicesImpl

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package org.glassfish.weld.services;

import org.glassfish.ejb.api.EjbContainerServices;
import org.glassfish.internal.api.Globals;
import org.jboss.weld.injection.spi.InjectionContext;
import org.jboss.weld.injection.spi.InjectionServices;
import org.glassfish.hk2.api.ServiceLocator;

import com.sun.enterprise.container.common.spi.util.ComponentEnvManager;
import com.sun.enterprise.container.common.spi.util.InjectionException;
import com.sun.enterprise.container.common.spi.util.InjectionManager;
import com.sun.enterprise.deployment.BundleDescriptor;
import com.sun.enterprise.deployment.EjbBundleDescriptor;
import com.sun.enterprise.deployment.EjbDescriptor;
import com.sun.enterprise.deployment.JndiNameEnvironment;
import com.sun.enterprise.deployment.ManagedBeanDescriptor;


public class InjectionServicesImpl implements InjectionServices {

    private InjectionManager injectionManager;

    // Associated bundle context
    private BundleDescriptor bundleContext;

    public InjectionServicesImpl(InjectionManager injectionMgr, BundleDescriptor context) {
        injectionManager = injectionMgr;
        bundleContext = context;
    }


    public <T> void aroundInject(InjectionContext<T> injectionContext) {

        try {


            ServiceLocator h = Globals.getDefaultHabitat();
            ComponentEnvManager compEnvManager = (ComponentEnvManager) h.getService(ComponentEnvManager.class);

            EjbContainerServices containerServices = h.getService(EjbContainerServices.class);

            JndiNameEnvironment componentEnv = compEnvManager.getCurrentJndiNameEnvironment();

            ManagedBeanDescriptor mbDesc = null;

            JndiNameEnvironment injectionEnv = (JndiNameEnvironment) bundleContext;
           
            Object target = injectionContext.getTarget();
            String targetClass = target.getClass().getName();

            if( componentEnv == null ) {
                //throw new IllegalStateException("No valid EE environment for injection of " + targetClass);
                System.err.println("No valid EE environment for injection of " + targetClass);
                injectionContext.proceed();
                return;
            }

            // Perform EE-style injection on the target.  Skip PostConstruct since
            // in this case 299 impl is responsible for calling it.

            if( componentEnv instanceof EjbDescriptor ) {

                EjbDescriptor ejbDesc = (EjbDescriptor) componentEnv;

                if( containerServices.isEjbManagedObject(ejbDesc, target.getClass())) {
                    injectionEnv = componentEnv;
                } else {

                    if( bundleContext instanceof EjbBundleDescriptor ) {

                        // Check if it's a @ManagedBean class within an ejb-jar.  In that case,
                        // special handling is needed to locate the EE env dependencies
                        mbDesc = bundleContext.getManagedBeanByBeanClass(targetClass);
                    }                   
                }
            }

            if( mbDesc != null ) {
                injectionManager.injectInstance(target, mbDesc.getGlobalJndiName(), false);
            } else {
                if( injectionEnv instanceof EjbBundleDescriptor ) {

                    // CDI-style managed bean that doesn't have @ManagedBean annotation but
                    // is injected within the context of an ejb.  Need to explicitly
                    // set the environment of the ejb bundle.
                    injectionManager.injectInstance(target, compEnvManager.getComponentEnvId(injectionEnv)
                        ,false);

                } else {
                    injectionManager.injectInstance(target, injectionEnv, false);
                }
            }

            injectionContext.proceed();

        } catch(InjectionException ie) {
            throw new IllegalStateException(ie.getMessage(), ie);
        }

       
    }

    public void cleanup() {

    }
 
}
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