Source Code : Simple Throws Advice

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Simple Throws Advice

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

///////////////////////////////////////////////////////////////////////////////////////
public class ErrorBean {

    public void errorProneMethod() throws Exception {
        throw new Exception("Foo");
    }

    public void otherErrorProneMethod() throws IllegalArgumentException {
        throw new IllegalArgumentException("Bar");
    }
}

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

import java.lang.reflect.Method;

import org.springframework.aop.ThrowsAdvice;
import org.springframework.aop.framework.ProxyFactory;

public class SimpleThrowsAdvice implements ThrowsAdvice {

    public static void main(String[] args) throws Exception {
        ErrorBean errorBean = new ErrorBean();

        ProxyFactory pf = new ProxyFactory();
        pf.setTarget(errorBean);
        pf.addAdvice(new SimpleThrowsAdvice());

        ErrorBean proxy = (ErrorBean) pf.getProxy();

        try {
            proxy.errorProneMethod();
        } catch (Exception ignored) {

        }

        try {
            proxy.otherErrorProneMethod();
        } catch (Exception ignored) {

        }

    }

    public void afterThrowing(Exception ex) throws Throwable {
        System.out.println("***");
        System.out.println("Generic Exception Capture");
        System.out.println("Caught: " + ex.getClass().getName());
        System.out.println("***
");
    }

    public void afterThrowing(Method method, Object[] args, Object target,
            IllegalArgumentException ex) throws Throwable {
        System.out.println("***");
        System.out.println("IllegalArgumentException Capture");
        System.out.println("Caught: " + ex.getClass().getName());
        System.out.println("Method: " + method.getName());
        System.out.println("***
");
    }
}




           
       

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