Source Code : Name Pointcut Example

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Name Pointcut Example

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



///////////////////////////////////////////////////////////////////////////////////////

public class NameBean {

    public void foo() {
        System.out.println("foo");
    }
    
    public void foo(int x) {
        System.out.println("foo " + x);
    }
    
    public void bar() {
        System.out.println("bar");
    }
    
    public void yup() {
        System.out.println("yup");
    }
}

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import org.aopalliance.intercept.MethodInterceptor;
import org.aopalliance.intercept.MethodInvocation;

public class SimpleAdvice implements MethodInterceptor {

    public Object invoke(MethodInvocation invocation) throws Throwable {
        System.out.println(">> Invoking " + invocation.getMethod().getName());
        Object retVal = invocation.proceed();
        System.out.println(">> Done");
        return retVal;
    }

}


///////////////////////////////////////////////////////////////////////////////////////

import org.springframework.aop.Advisor;
import org.springframework.aop.framework.ProxyFactory;
import org.springframework.aop.support.DefaultPointcutAdvisor;
import org.springframework.aop.support.NameMatchMethodPointcut;

public class NamePointcutExample {

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

        // create advisor
        NameMatchMethodPointcut pc = new NameMatchMethodPointcut();
        pc.addMethodName("foo");
        pc.addMethodName("bar");
        Advisor advisor = new DefaultPointcutAdvisor(pc, new SimpleAdvice());
        
        // create the proxy
        ProxyFactory pf = new ProxyFactory();
        pf.setTarget(target);
        pf.addAdvisor(advisor);
        NameBean proxy = (NameBean)pf.getProxy();
        
        proxy.foo();
        proxy.foo(999);
        proxy.bar();
        proxy.yup();
    }
}

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