RequestFactory Services asJava EE managed Beans

[Pedro Lamarão]

Guys,
after experimenting with subclassing RequestFactoryServlet for a while, I 
devised a new trick to have RequestFactory Services be managed Beans.
It is a simple trick where a ServiceLocator obtains Services from the 
BeanManager.
I'd like to share it with the community.

-- x --
public final class BeanManagerServiceLocator implements ServiceLocator
{
    @Override public Object getInstance (Class<?> clazz)
    {
        return getReference(clazz);
    }
    
    public static <T> T getReference (Class<T> clazz)
    {
        try
        {
            InitialContext context = new InitialContext();
            BeanManager beanManager = (BeanManager) 
context.lookup("java:comp/BeanManager");
            Set<Bean<?>> beans = beanManager.getBeans(clazz);
            Bean<?> bean = beanManager.resolve(beans);
            CreationalContext<?> creationalContext = 
beanManager.createCreationalContext(bean);
            Object object = beanManager.getReference(bean, 
bean.getBeanClass(), creationalContext);
            return clazz.cast(object);
        }
        catch (NamingException e)
        {
            throw new RuntimeException(e);
        }
    }
}
-- x --

Thanks!
P.

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