|
| |
| 28. 55. 4. 实现MethodInterceptor |
|
|
File: Main.java |
|
import org.aopalliance.intercept.MethodInterceptor;
import org.aopalliance.intercept.MethodInvocation;
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 Main {
public static void main(String[] args){
MyClass target = new MyClass();
NameMatchMethodPointcut pc = new NameMatchMethodPointcut();
pc.addMethodName("foo");
pc.addMethodName("bar");
Advisor advisor = new DefaultPointcutAdvisor(pc, new SimpleAdvice());
ProxyFactory pf = new ProxyFactory();
pf.setTarget(target);
pf.addAdvisor(advisor);
MyClass proxy = (MyClass)pf.getProxy();
proxy.foo();
proxy.foo(1);
proxy.bar();
proxy.yup();
}
}
class SimpleAdvice implements MethodInterceptor {
public Object invoke(MethodInvocation invocation) throws Throwable {
System.out.println("start: " + invocation.getMethod().getName());
Object retVal = invocation.proceed();
System.out.println("end");
return retVal;
}
}
class MyClass {
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");
}
}
|
|
 Download: Spring-implementsMethodInterceptor.zip( 4,745 k) |
|