Source Code : Regexp Pointcut Example

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Regexp Pointcut Example

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



///////////////////////////////////////////////////////////////////////////////////////
public class RegexpBean {

    public void foo1() {
        System.out.println("foo1");
    }
    
    public void foo2() {
        System.out.println("foo2");
    }
    
    public void bar() {
        System.out.println("bar");
    }
}


///////////////////////////////////////////////////////////////////////////////////////
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.JdkRegexpMethodPointcut;

public class RegexpPointcutExample {

    public static void main(String[] args) {
        RegexpBean target = new RegexpBean();
        
        // create the advisor
        JdkRegexpMethodPointcut pc = new JdkRegexpMethodPointcut();
        pc.setPattern(".*foo.*");
        Advisor advisor = new DefaultPointcutAdvisor(pc, new SimpleAdvice());
        
        // create the proxy
        ProxyFactory pf = new ProxyFactory();
        pf.setTarget(target);
        pf.addAdvisor(advisor);
        RegexpBean proxy = (RegexpBean)pf.getProxy();
        
        proxy.foo1();
        proxy.foo2();
        proxy.bar();
    }
}           
       

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