LogAroundAdvice 通知
package net.blogjava.dodoma.spring.aop;
import org.aopalliance.intercept.MethodInterceptor;
import org.aopalliance.intercept.MethodInvocation;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
public class LogAroundAdvice implements MethodInterceptor {
protected static final Log log = LogFactory.getLog(LogAroundAdvice.class);
public Object invoke(MethodInvocation arg) throws Throwable {
// 调用目标对象之前
log.info("before the target object");
Object val=arg.proceed();
//调用目标对象之后
log.info("the arg is "+arg);
log.info("after the target object");
return val;
}
}
测试方法
package net.blogjava.dodoma.spring.aop;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.springframework.aop.framework.ProxyFactory;
import org.springframework.beans.factory.BeanFactory;
import org.springframework.beans.factory.xml.XmlBeanFactory;
import org.springframework.core.io.ClassPathResource;
import org.springframework.core.io.Resource;
public class HelloTest {
protected static final Log log = LogFactory.getLog(HelloTest.class);
/**
* @param args
* @throws Exception
*/
public static void main(String[] args) throws Exception {
// TODO Auto-generated method stub
Resource rs = new ClassPathResource("beans.xml");
BeanFactory bf = new XmlBeanFactory(rs);
HelloI h = (HelloI) bf.getBean("theBean");
log.info("starting...");
try {
log.info(h.sayHello("ma", "bin"));
} catch (Exception e) {
e.printStackTrace();
}
log.info("end...");
ProxyFactory factory=new ProxyFactory();
factory.addAdvice(new LogAroundAdvice ());
factory.setTarget(new Hello("hello"));
try{
HelloI hi=(HelloI)factory.getProxy();
hi.sayHello("ma","bin");}
catch(Exception e){e.printStackTrace();}
}
}
posted on 2006-03-28 12:52
dodoma 阅读(274)
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