Control Flow Example : Spring Aspect « Spring « Java

1. Java
2. Spring
3. Spring Aspect

Control Flow Example

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

///////////////////////////////////////////////////////////////////////////////////////
public class TestBean {

    public void foo() {
        System.out.println("foo()");
    }
}


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

import org.springframework.aop.MethodBeforeAdvice;

public class SimpleBeforeAdvice implements MethodBeforeAdvice {


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

}


///////////////////////////////////////////////////////////////////////////////////////
import org.springframework.aop.Advisor;
import org.springframework.aop.Pointcut;
import org.springframework.aop.framework.ProxyFactory;
import org.springframework.aop.support.ControlFlowPointcut;
import org.springframework.aop.support.DefaultPointcutAdvisor;

public class ControlFlowExample {

    public static void main(String[] args) {
        ControlFlowExample ex = new ControlFlowExample();
        ex.run();
    }

    public void run() {
        TestBean target = new TestBean();

        // create advisor
        Pointcut pc = new ControlFlowPointcut(ControlFlowExample.class, "test");
        Advisor advisor = new DefaultPointcutAdvisor(pc,
                new SimpleBeforeAdvice());

        // create proxy
        ProxyFactory pf = new ProxyFactory();
        pf.setTarget(target);
        pf.addAdvisor(advisor);

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

        System.out.println("Trying normal invoke");
        proxy.foo();
        System.out.println("Trying under ControlFlowExample.test()");
        test(proxy);
    }

    private void test(TestBean bean) {
        bean.foo();

    }
}

           
       

ControlFlowExample.zip( 1,479 k)

Related examples in the same category

1.	Profiling Example
2.	Introduction Config Example
3.	Security Example
4.	Simple After Returning Advice
5.	Simple Before Advice
6.	Simple Throws Advice
7.	Composable Pointcut Example
8.	Dynamic Pointcut Example
9.	Hello World With Pointcut
10.	Spring Aspect Introduction Example
11.	Static Pointcut Example
12.	Name Pointcut Example
13.	Name Pointcut Using Advisor
14.	Proxy Factory Bean Example
15.	Proxy Perf Test
16.	Regexp Pointcut Example
17.	After Advice Example
18.	AspectJ Example from Pro Spring
19.	Aspect Hello World Example