Mega Code Archive
Static Pointcut Example
<![CDATA[
/*
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();
}
}
StaticPointcutExample.zip( 1,481 k)
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