04-Writing Code Using the Bean Factory

DrawingApp.java

package org.yash.watertechsol;

import org.springframework.beans.factory.BeanFactory;

import org.springframework.beans.factory.xml.XmlBeanFactory;

import org.springframework.core.io.FileSystemResource;

@SuppressWarnings("deprecation")

public class DrawingApp {

      public static void main(String[] args){

            //here we are not using spring configuration

            //Triangle triangle = new Triangle();

            //triangle.draw();

           

            //Let do with spring configuration

            BeanFactory factory = new XmlBeanFactory(new FileSystemResource("spring.xml"));

            Triangle triangle = (Triangle)factory.getBean("triangle");

            triangle.draw();

      }

}

Triangle.java

package org.yash.watertechsol;

public class Triangle {

      public void draw(){

            System.out.println("Trianble drawn");

      }

}

spring.xml

<?xml version="1.0" encoding="UTF-8"?>

<!DOCTYPE beans PUBLIC "-//SPRING//DTD BEAN//EN" "http://www.springframework.org/dtd/spring-beans.dtd">

<beans>

      <bean id="triangle" class="org.yash.watertechsol.Triangle"></bean>

</beans>