/*
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.MethodBeforeAdvice;
import org.springframework.aop.framework.ProxyFactory;
public class SimpleBeforeAdvice implements MethodBeforeAdvice {
public static void main(String[] args) {
MessageWriter target = new MessageWriter();
// create the proxy
ProxyFactory pf = new ProxyFactory();
pf.addAdvice(new SimpleBeforeAdvice());
pf.setTarget(target);
MessageWriter proxy = (MessageWriter) pf.getProxy();
// write the messages
proxy.writeMessage();
}
public void before(Method method, Object[] args, Object target)
throws Throwable {
System.out.println("Before method: " + method.getName());
}
}
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