Spring method invocation

Foo.java

package com.kohls;

public class Foo {
@Override
public String toString() {
    // TODO Auto-generated method stub
    return "Inside Foo";
}
}

FooFactory.java

package com.kohls;

public class FooFactory {
    private static Foo foo;
    public static Foo getInstance() {
        if (foo == null) foo = new Foo();
        return foo;
    }
}

foo.xml



    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-3.0.xsd">


 
  
   getInstance
 
 

LegacyA.java

package com.kohls;

import org.springframework.context.ApplicationContext;
import org.springframework.context.support.ClassPathXmlApplicationContext;

public class LegacyA {
    public static void main(String args[]) {
        ApplicationContext context = new ClassPathXmlApplicationContext("foo.xml");
        FooFactory foofac =     (FooFactory) context.getBean("foofactory");
        Foo foo = foofac.getInstance();
        System.out.println(foo);
       
    }
}