Class YoilTellerMVC6

ch2/YoilTellerMVC6.java:13–61

import org.springframework.web.bind.annotation.RequestParam;

@Controller
public class YoilTellerMVC6 {
	@ExceptionHandler(Exception.class)
	public String catcher(Exception ex, BindingResult result) {
		System.out.println("result="+result);
		System.out.println("error="+result.getFieldError());
		
		return "yoilError";
	}
	
    @RequestMapping("/getYoilMVC6") // http://localhost/ch2/getYoilMVC6
//    public String main(@ModelAttribute("myDate") MyDate date, Model model) {
    public String main(MyDate date, BindingResult result) {
System.out.println("result="+result);
    	// 1. 유효성 검사
    	if(!isValid(date)) 
    		  return "yoilError";  // 유효하지 않으면, /WEB-INF/views/yoilError.jsp로 이동
    	
        // 2. 처리
//    	char yoil = getYoil(date);

        // 3. Model에 작업 결과 저장
//        model.addAttribute("myDate", date);
//        model.addAttribute("yoil", yoil);
        
        // 4. 작업 결과를 보여줄 View의 이름을 반환
        return "yoil"; // /WEB-INF/views/yoil.jsp
    }
    
    
    private @ModelAttribute("yoil") char getYoil(MyDate date) {
		    return getYoil(date.getYear(), date.getMonth(), date.getDay());
	  }

	  private char getYoil(int year, int month, int day) {
        Calendar cal = Calendar.getInstance();
        cal.set(year, month - 1, day);

        int dayOfWeek = cal.get(Calendar.DAY_OF_WEEK);
        return " 일월화수목금토".charAt(dayOfWeek);
    }
    
    private boolean isValid(MyDate date) {    
    	if(date.getYear()==-1 || date.getMonth()==-1 || date.getDay()==-1) 
    		return false;
    	
    	return (1<=date.getMonth() && date.getMonth()<=12) && (1<=date.getDay() && date.getDay()<=31); // 간단히 체크 
    }
}