Spring AOP 之 ThrowAdviceDemo
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平台:Spring2.5
log4j.properties和AroundAdviceDemo2相同
IHello.java内容:
package onlyfun.caterpillar;
public interface IHello {
public void hello(String name) throws Throwable;
}
HelloSpeaker.java内容:
package onlyfun.caterpillar;
public class HelloSpeaker implements IHello {
public void hello(String name) throws Throwable {
System.out.println("Hello, " + name);
//抱歉!程序错误!发生异常
throw new Exception("发生异常...");
}
}
SomeThrowAdvice.java内容:
package onlyfun.caterpillar;
import java.lang.reflect.Method;
import java.util.logging.Level;
import java.util.logging.Logger;
import org.springframework.aop.ThrowsAdvice;
public class SomeThrowAdvice implements ThrowsAdvice {
private Logger logger =
Logger.getLogger(this.getClass().getName());
public void afterThrowing(Method method, Object[] args,
Object target, Throwable subclass) {
//记录异常
logger.log(Level.INFO,
"Logging that a " + subclass +
"Exception was thrown in " + method);
}
}
applicationContext.xml内容:
<?xml version="1.0" encoding="UTF-8"?>
<beans xmlns="http://www.springframework.org/schema/beans"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://www.springframework.org/schema/beans
http://www.springframework.org/schema/beans/spring-beans-2.0.xsd">
<bean id="someThrowAdvice"
class="onlyfun.caterpillar.SomeThrowAdvice"/>
<bean id="helloSpeaker"
class="onlyfun.caterpillar.HelloSpeaker"/>
<bean id="helloProxy"
class="org.springframework.aop.framework.ProxyFactoryBean">
<property name="proxyInterfaces"
value="onlyfun.caterpillar.IHello"/>
<property name="target" ref="helloSpeaker"/>
<property name="interceptorNames">
<list>
<value>someThrowAdvice</value>
</list>
</property>
</bean>
</beans>
test.java内容:
package onlyfun.caterpillar;
import org.springframework.context.ApplicationContext;
import org.springframework.context.
support.ClassPathXmlApplicationContext;
public class test{
public static void main(String[] args) {
ApplicationContext context =
new ClassPathXmlApplicationContext(
"beans-config.xml");
IHello helloProxy =
(IHello) context.getBean("helloProxy");
try {
helloProxy.hello("Justin");
}
catch(Throwable throwable) {
//应用程序的异常处理
System.err.println(throwable);
}
}
}
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