package cn.edu.bjut.chapter5;

public class Date {
	private int year, month, day;

	public Date(int year, int month, int day) {
		this.year = year;
		this.month = month;
		this.day = day;
	}

	// format: YYYY-MM-DD
	public Date(String str) {
		String[] parts = str.trim().split("-"); 
		this.year = Integer.parseInt(parts[0]); 
		this.month = Integer.parseInt(parts[1]); 
		this.day = Integer.parseInt(parts[2]); 
	}

	public int getYear() {
		return year;
	}

	public void setYear(int year) {
		this.year = year;
	}

	public int getMonth() {
		return month;
	}

	public void setMonth(int month) {
		this.month = month;
	}

	public int getDay() {
		return day;
	}

	public void setDay(int day) {
		this.day = day;
	}

	@Override
	public String toString() {
		StringBuilder sb = new StringBuilder();

		sb.append(year);
		if (month < 10) {
			sb.append("0" + month);
		} else {
			sb.append(month);
		}
		if (day < 10) {
			sb.append("0" + day);
		} else {
			sb.append(day);
		}

		return sb.toString();
	}
}