Simple After Returning Advice : Spring Aspect « Spring « Java






Simple After Returning Advice


/*
Pro Spring
By Rob Harrop
Jan Machacek
ISBN: 1-59059-461-4
Publisher: Apress
*/



///////////////////////////////////////////////////////////////////////////////////////
public interface IMessageWriter {

    public void writeMessage();
}


///////////////////////////////////////////////////////////////////////////////////////
public class MessageWriter implements IMessageWriter{

    public void writeMessage() {
        System.out.print("World");
    }

}

///////////////////////////////////////////////////////////////////////////////////////
import java.lang.reflect.Method;

import org.springframework.aop.AfterReturningAdvice;
import org.springframework.aop.framework.ProxyFactory;

public class SimpleAfterReturningAdvice implements AfterReturningAdvice {

    public static void main(String[] args) {
        MessageWriter target = new MessageWriter();

        // create the proxy
        ProxyFactory pf = new ProxyFactory();

        pf.addAdvice(new SimpleAfterReturningAdvice());
        pf.setTarget(target);

        MessageWriter proxy = (MessageWriter) pf.getProxy();

        // write the messages
        proxy.writeMessage();
    }

    public void afterReturning(Object returnValue, Method method, Object[] args,
            Object target) throws Throwable {
        System.out.println("");
        System.out.println("After method: " + method.getName());
    }
}           
       








SimpleAfterReturningAdvice.zip( 1,479 k)

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