Aspect Hello World Example

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



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

public interface IMessageWriter {

    public void writeMessage();
}


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


public class MessageWriter implements IMessageWriter{

    public void writeMessage() {
        System.out.print("World");
    }

}
///////////////////////////////////////////////////////////////////////////////////////

import org.aopalliance.intercept.MethodInterceptor;
import org.aopalliance.intercept.MethodInvocation;


public class MessageDecorator implements MethodInterceptor {

    public Object invoke(MethodInvocation invocation) throws Throwable {
        System.out.print("Hello ");
        Object retVal = invocation.proceed();
        System.out.println("!");
        return retVal;
    }

}

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

public class HelloWorldAOPExample {

    public static void main(String[] args) {
        MessageWriter target = new MessageWriter();
        
        // create the proxy
        ProxyFactory pf = new ProxyFactory();

        pf.addAdvice(new MessageDecorator());
        pf.setTarget(target);


        MessageWriter proxy = (MessageWriter) pf.getProxy();
        
        // write the messages
        target.writeMessage();
        System.out.println("");
        proxy.writeMessage();
    }
}

SpringHelloWorldExample.zip( 1,479 k)

1.	Profiling Example
2.	Introduction Config Example
3.	Security Example
4.	Simple After Returning Advice
5.	Simple Before Advice
6.	Simple Throws Advice
7.	Composable Pointcut Example
8.	Control Flow Example
9.	Dynamic Pointcut Example
10.	Hello World With Pointcut
11.	Spring Aspect Introduction Example
12.	Static Pointcut Example
13.	Name Pointcut Example
14.	Name Pointcut Using Advisor
15.	Proxy Factory Bean Example
16.	Proxy Perf Test
17.	Regexp Pointcut Example
18.	After Advice Example
19.	AspectJ Example from Pro Spring

Aspect Hello World Example : Spring Aspect « Spring « Java

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