java code for Static Pointcut

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



///////////////////////////////////////////////////////////////////////////////////////
public class BeanOne {

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

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



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

public class BeanTwo {

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

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


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

import java.lang.reflect.Method;

import org.springframework.aop.ClassFilter;
import org.springframework.aop.support.StaticMethodMatcherPointcut;

public class SimpleStaticPointcut extends StaticMethodMatcherPointcut {

public boolean matches(Method method, Class cls) {
return ("foo".equals(method.getName()));
}

public ClassFilter getClassFilter() {
return new ClassFilter() {
public boolean matches(Class cls) {
return (cls == BeanOne.class);
}
};

}
}

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

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.aopalliance.aop.Advice;
import org.springframework.aop.Advisor;
import org.springframework.aop.Pointcut;
import org.springframework.aop.framework.ProxyFactory;
import org.springframework.aop.support.DefaultPointcutAdvisor;

public class StaticPointcutExample {

public static void main(String[] args) {
BeanOne one = new BeanOne();
BeanTwo two = new BeanTwo();

BeanOne proxyOne;
BeanTwo proxyTwo;

// create pointcut, advice and advisor
Pointcut pc = new SimpleStaticPointcut();
Advice advice = new SimpleAdvice();
Advisor advisor = new DefaultPointcutAdvisor(pc, advice);

// create BeanOne proxy
ProxyFactory pf = new ProxyFactory();
pf.addAdvisor(advisor);
pf.setTarget(one);
proxyOne = (BeanOne)pf.getProxy();

// create BeanTwo proxy
pf = new ProxyFactory();
pf.addAdvisor(advisor);
pf.setTarget(two);
proxyTwo = (BeanTwo)pf.getProxy();

proxyOne.foo();
proxyTwo.foo();

proxyOne.bar();
proxyTwo.bar();

}
}