<bean class="com.dineshonjava.sdnext.autoWiring.tutorial.Triangle" id="triangle"> <property name="pointA" ref="pointA"></property> <property name="pointB" ref="pointB"></property> <property name="pointC" ref="pointC"></property> </bean> <bean class="com.dineshonjava.sdnext.autoWiring.tutorial.Point" id="pointA"> <property name="x" value="0"></property> <property name="y" value="0"></property> </bean> <bean class="com.dineshonjava.sdnext.autoWiring.tutorial.Point" id="pointB"> <property name="x" value="-20"></property> <property name="y" value="0"></property> </bean> <bean class="com.dineshonjava.sdnext.autoWiring.tutorial.Point" id="pointC"> <property name="x" value="20"></property> <property name="y" value="0"></property> </bean>
Lets see Exaple
Triangle.java
package com.dineshonjava.sdnext.autoWiring.tutorial; public class Triangle { private Point pointA; private Point pointB; private Point pointC; /** * @param pointA the pointA to set */ public void setPointA(Point pointA) { this.pointA = pointA; } /** * @param pointB the pointB to set */ public void setPointB(Point pointB) { this.pointB = pointB; } /** * @param pointC the pointC to set */ public void setPointC(Point pointC) { this.pointC = pointC; } public void draw() { 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()+")"); } }
Point.java
package com.dineshonjava.sdnext.autoWiring.tutorial; 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; } }
spring.xml
<beans xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns="http://www.springframework.org/schema/beans" xsi:schemalocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans-3.0.xsd"> <bean autowire="byName" class="com.dineshonjava.sdnext.autoWiring.tutorial.Triangle" id="triangle"> </bean> <bean class="com.dineshonjava.sdnext.autoWiring.tutorial.Point" id="pointA"> <property name="x" value="0"></property> <property name="y" value="0"></property> </bean> <bean class="com.dineshonjava.sdnext.autoWiring.tutorial.Point" id="pointB"> <property name="x" value="-20"></property> <property name="y" value="0"></property> </bean> <bean class="com.dineshonjava.sdnext.autoWiring.tutorial.Point" id="pointC"> <property name="x" value="20"></property> <property name="y" value="0"></property> </bean> </beans>
DrawingApp.java
package com.dineshonjava.sdnext.autoWiring.tutorial; import org.springframework.context.ApplicationContext; import org.springframework.context.support.ClassPathXmlApplicationContext; /** * @author Dinesh Rajput * */ 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(); } }
PointA is (0, 0)
PointB is (-20, 0)
PointC is (20, 0)
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