Spring @Component Annotation

package com.dineshonjava.sdnext.componentstreatypeannotation.tutorail;

import javax.annotation.Resource;

import org.springframework.stereotype.Component;

@Component
public class Triangle
{
 private Point pointA;
 private Point pointB;
 private Point pointC;
 
 /**
  * Using @Resource annotation for wiring with bean dependency
  * @param pointA the pointA to set
  */
 @Resource
 public void setPointA(Point pointA) {
  this.pointA = pointA;
 }

 /**
  * Using @Resource annotation for wiring with bean dependency
  * @param pointB the pointB to set
  */
 @Resource
 public void setPointB(Point pointB) {
  this.pointB = pointB;
 }

 /**
  * Using @Resource annotation for wiring with bean dependency
  * @param pointC the pointC to set
  */
 @Resource
 public void setPointC(Point pointC) {
  this.pointC = pointC;
 }

 public void draw()
 {
System.out.println("Drawing Triangle");
System.out.println("PointA is ("+pointA.getX()+", "+pointA.getY()+")");
System.out.println("PointB is ("+pointB.getX()+", "+pointB.getY()+")");
System.out.println("PointC is ("+pointC.getX()+", "+pointC.getY()+")");
 }
}

package com.dineshonjava.sdnext.componentstreatypeannotation.tutorail;

public class Point
{
 private int x;
 private int y;
 /**
  * @return the x
  */
 public int getX() {
  return x;
 }
 /**
  * @param x the x to set
  */
 public void setX(int x) {
  this.x = x;
 }
 /**
  * @return the y
  */
 public int getY() {
  return y;
 }
 /**
  * @param y the y to set
  */
 public void setY(int y) {
  this.y = y;
 }
}

package com.dineshonjava.sdnext.componentstreatypeannotation.tutorail;

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

/**
 * @author Dinesh
 *
 */
public class DrawingApp 
{
 /**
  * @param args
  */
 public static void main(String[] args) 
 {
ApplicationContext context = new ClassPathXmlApplicationContext("spring.xml");
Triangle triangle= (Triangle) context.getBean("triangle");
triangle.draw();
 }
}

<beans xmlns:aop="http://www.springframework.org/schema/aop" xmlns:context="http://www.springframework.org/schema/context" xmlns:p="http://www.springframework.org/schema/p" xmlns:security="http://www.springframework.org/schema/security" xmlns:tx="http://www.springframework.org/schema/tx" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns="http://www.springframework.org/schema/beans" xsi:schemalocation="http://www.springframework.org/schema/beans">
  
<bean class="com.dineshonjava.sdnext.componentstreatypeannotation.tutorail.Point" id="pointA">
<property name="x" value="0"></property>
<property name="y" value="0"></property>
</bean>
 
<bean class="com.dineshonjava.sdnext.componentstreatypeannotation.tutorail.Point" id="pointB">
<property name="x" value="-20"></property>
<property name="y" value="0"></property>
</bean>

<bean class="com.dineshonjava.sdnext.componentstreatypeannotation.tutorail.Point" id="pointC">
<property name="x" value="20"></property>
<property name="y" value="0"></property>
</bean> 
  
<context:annotation-config></context:annotation-config>
  
<context:component-scan base-package="com.dineshonjava.sdnext.componentstreatypeannotation.tutorail">
</context:component-scan>
</beans>

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