Shape.java
package zxl;
public interface Shape {
public void draw();
}
Point.java
package zxl;
public class Point {
private int x;
private int y;
public int getX() {
return x;
}
public void setX(int x) {
this.x = x;
}
public int getY() {
return y;
}
public void setY(int y) {
this.y = y;
}
}
Triangle.java
package zxl;
public class Triangle implements Shape {
private Point pointA;
private Point pointB;
private Point pointC;
public Point getPointA() {
return pointA;
}
public void setPointA(Point pointA) {
this.pointA = pointA;
}
public Point getPointB() {
return pointB;
}
public void setPointB(Point pointB) {
this.pointB = pointB;
}
public Point getPointC() {
return pointC;
}
public void setPointC(Point pointC) {
this.pointC = pointC;
}
public void draw(){
System.out.println("drawing triangle");
System.out.println("point A ("+getPointA().getX()+","+getPointA().getY()+")");
System.out.println("point B ("+getPointB().getX()+","+getPointB().getY()+")");
System.out.println("point C ("+getPointC().getX()+","+getPointC().getY()+")");
}
}
DrawingApp.java
package zxl;
import org.springframework.context.ApplicationContext;
import org.springframework.context.support.ClassPathXmlApplicationContext;
public class DrawingApp {
/**
* @param args
*/
public static void main(String[] args) {
// TODO Auto-generated method stub
ApplicationContext context=new ClassPathXmlApplicationContext("spring.xml");
Circle circle =(Circle) context.getBean("circle");
circle.draw();
}
}
springxml
<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE beans PUBLIC "-//SPRING//DTD BEAN 2.0//EN" "http://www.springframework.org/dtd/spring-beans-2.0.dtd">
<beans>
<bean id="triangle" class="zxl.Triangle" >
<property name="pointA" ref="pointA" />
<property name="pointB" ref="pointB" />
<property name="pointC" ref="pointC" />
</bean>
<bean id="pointA" class="zxl.Point" >
<property name="x" value="0" />
<property name="y" value="0" />
</bean>
<bean id="pointB" class="zxl.Point" >
<property name="x" value="-20" />
<property name="y" value="0" />
</bean>
<bean id="pointC" class="zxl.Point" >
<property name="x" value="20" />
<property name="y" value="0" />
</bean>
<bean id="circle" class="zxl.Circle" >
<property name="center" ref="pointA" />
</bean>
</beans>
Circle.java
package zxl;
public class Circle implements Shape {
private Point center;
public Point getCenter() {
return center;
}
public void setCenter(Point center) {
this.center = center;
}
@Override
public void draw() {
// TODO Auto-generated method stub
System.out.println("drawing circle");
System.out.println("cricle: point is: ("+center.getX()+","+center.getY()+")");
}
}
----------------------------------------------------------------------------------------------------------------------------------------------------------------
DrawingApp.java
package zxl;
import org.springframework.context.ApplicationContext;
import org.springframework.context.support.ClassPathXmlApplicationContext;
public class DrawingApp {
/**
* @param args
*/
public static void main(String[] args) {
// TODO Auto-generated method stub
ApplicationContext context=new ClassPathXmlApplicationContext("spring.xml");
Shape shape =(Shape) context.getBean("triangle");
shape.draw();
}
}