calculatespring.java

来自「Beginning Spring 2 源代码」· Java 代码 · 共 45 行

package com.wrox.begspring;

import org.springframework.beans.factory.BeanFactory;
import org.springframework.context.ApplicationContext;
import org.springframework.context.support.ClassPathXmlApplicationContext;


public class CalculateSpring {

	private Operation ops;
	private ResultWriter wtr;
	
	public void setOps(Operation ops) {
	 this.ops = ops;	
	}
	public  void setWriter(ResultWriter writer) {
	 wtr = writer;
	}
	
	public static void main(String[] args) {
		ApplicationContext context = 
			new ClassPathXmlApplicationContext(
		        "beans.xml");


		BeanFactory factory = (BeanFactory) context;
		CalculateSpring calc = 
			(CalculateSpring) factory.getBean("opsbean");
		
		calc.execute(args);
	}
	
	

	public void execute(String [] args)  {
		long op1 = Long.parseLong(args[0]);
		long op2 = Long.parseLong(args[1]);
	   	wtr.showResult("The result of " + op1 +  
	   			ops.getOpsName() + op2 + " is "
	   			+ ops.operate(op1, op2) + "!");
		
	}

}