ReplacementDemo.java

package com.yichao.woo.spring.di.method.replacement;

import org.springframework.context.support.GenericXmlApplicationContext;
import org.springframework.util.StopWatch;

public class ReplacementDemo {

    public static void main(String[] args) {
        GenericXmlApplicationContext ctx = new GenericXmlApplicationContext();
        ctx.load("classpath:replacement.xml");
        ctx.refresh();

        ReplacementTarget replacementTarget = (ReplacementTarget) ctx.getBean("replacementTarget");
        ReplacementTarget standardTarget = (ReplacementTarget) ctx.getBean("replacementTarget2");
        displayInfo(replacementTarget);
        displayInfo(standardTarget);
    }
    private static void displayInfo(ReplacementTarget target) {
        System.out.println(target.formatMessage("Hello World!"));
        StopWatch stopWatch = new StopWatch();
        stopWatch.start("perfTest");
        for (int x = 0; x < 1000000; x++) {
            String out = target.formatMessage("foo");
        }
        stopWatch.stop();

        System.out.println("1000000 invocations took: "
                + stopWatch.getTotalTimeMillis() + " ms");
    }
}