Web Beans는 Java EE 환경으로 완전 통합됩니다. Web Beans는 Java EE 리소스 및 JPA 지속성 컨텍스트로 액세스합니다. 이는 JSF 및 JSP 페이지에서 Unified EL 표현식으로 사용될 수 있습니다. 이는 Web Beans가 아닌 Servlets 및 Message-Driven Beans와 같은 일부 객체로 삽입될 수 도 있습니다.

@Transactional @Interceptor

public class TransactionInterceptor {


    @Resource Transaction transaction;


    @AroundInvoke public Object manageTransaction(InvocationContext ctx) { ... }

    

}

@SessionScoped

public class Login {


    @Current Credentials credentials;

    @PersistenceContext EntityManager userDatabase;

    

    ...


}

public class Login extends HttpServlet {


    @Current Credentials credentials;

    @Current Login login;


    @Override

    public void service(HttpServletRequest request, HttpServletResponse response)

        throws ServletException, IOException {

        credentials.setUsername( request.getAttribute("username") ):

        credentials.setPassword( request.getAttribute("password") ):

        login.login();

        if ( login.isLoggedIn() ) {

            response.sendRedirect("/home.jsp");

        }

        else {

            response.sendRedirect("/loginError.jsp");

        }

    }

            

}

@Transactional @MessageDriven

public class ProcessOrder implements MessageListener {


    @Current Inventory inventory;

    @PersistenceContext EntityManager em;


    public void onMessage(Message message) {

        ...

    }

            

}

<Queue>

    <destination

>java:comp/env/jms/OrderQueue</destination>

    <connectionFactory

>java:comp/env/jms/QueueConnectionFactory</connectionFactory>

    <myapp:OrderProcessor/>    

</Queue

>

<Topic>

    <destination

>java:comp/env/jms/StockPrices</destination>

    <connectionFactory

>java:comp/env/jms/TopicConnectionFactory</connectionFactory>

    <myapp:StockPrices/>    

</Topic

>

@OrderProcessor QueueSender orderSender;

@OrderProcessor QueueSession orderSession;


public void sendMessage() {

    MapMessage msg = orderSession.createMapMessage();

    ...

    orderSender.send(msg);

}

@StockPrices TopicPublisher pricePublisher;

@StockPrices TopicSession priceSession;


public void sendMessage(String price) {

    pricePublisher.send( priceSession.createTextMessage(price) );

}