package com.walker.infrastructure.utils;
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import java.text.DateFormat;
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import java.text.SimpleDateFormat;
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import java.util.Date;
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import com.walker.infrastructure.utils.StringUtils;
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/**
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* 日期对象自定义。</p>
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* 该对象用来区分：年、月、日响应的值，在很多情况下我们需要知道其中单独的值。<br>
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* 通过构造函数输入时间字符串，如：2015-11-30 18:50:44，来解析。</p>
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* 已废弃，移动到waler-infrastructure.jar中。
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* @author shikeying
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* @date 2016年5月3日
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*
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*/
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public class DateObject {
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private static final DateFormat whippletreeTimeFormat = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
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private static final String MIDDLE_LINE = "-";
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private int year = 0;
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private int month = 0;
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private int day = 0;
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private int dateValue = 0; // 日期值，如：20160503
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private int yearDate = 0; // 年日期，如：201605
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/**
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* 返回年月，如：201605
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* @return
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*/
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public int getYearDate() {
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return yearDate;
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}
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public int getYear() {
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return year;
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}
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public int getMonth() {
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return month;
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}
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public int getDay() {
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return day;
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}
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/**
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* 返回日期6位数值，如：20181225
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* @return
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*/
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public int getDateValue() {
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return dateValue;
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}
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/**
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* 创建日期对象
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* @param timestamp 输入日期字符串，如：2015-11-30 18:50:44
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*/
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public DateObject(String timestamp){
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if(StringUtils.isEmpty(timestamp)){
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throw new IllegalArgumentException("接收到时间数据不存在(timestamp is null)");
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}
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this.dateValue = Integer.parseInt(timestamp.substring(0, 10)
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.replaceAll(MIDDLE_LINE, StringUtils.EMPTY_STRING));
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this.year = dateValue / 10000;
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this.month = dateValue / 100 - this.year * 100;
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this.yearDate = dateValue / 100;
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this.day = dateValue % yearDate;
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}
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/**
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* 使用当前时间作为输入日期
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*/
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public DateObject(){
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this(whippletreeTimeFormat.format(new Date(System.currentTimeMillis())));
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}
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/**
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* 构造函数输入日期数值，转换为日期对象
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* @param dateValue 日期数值，如：20181225
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*/
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public DateObject(int dateValue){
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if(dateValue <= 0){
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throw new IllegalArgumentException("dateValue must >= 0, eg. 20181225");
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}
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this.dateValue = dateValue;
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this.year = dateValue / 10000;
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this.month = dateValue / 100 - this.year * 100;
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this.yearDate = dateValue / 100;
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this.day = dateValue % yearDate;
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}
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@Override
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public String toString(){
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return new StringBuilder().append("[ year=").append(year)
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.append(", month=").append(month)
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.append(", day=").append(day)
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.append(", dateValue=").append(this.dateValue)
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.append(", yearDate=").append(this.yearDate)
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.append("]").toString();
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}
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public static void main(String[] args){
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// int dateValue = 20160503;
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// System.out.println(dateValue / 100);
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// int dateValue = 20160430;
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// System.out.println("year = " + dateValue / 10000);
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// System.out.println("month = " + dateValue / 100);
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// System.out.println("day = " + dateValue % (dateValue / 100));
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/**
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DateObject obj = new DateObject();
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System.out.println(obj);
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String[] datas = new String[]{"2015-11-30 18:50:44"
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, "2016-04-30 18:50:44"
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, "2016-05-03 01:23:01"
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, "2016-05-04 01:23:01"
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, "2016-12-31 12:59:00"
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};
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for(int i=0; i<datas.length; i++){
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long startTime = System.nanoTime();
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DateObject dateObj = new DateObject(datas[i]);
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long endTime = System.nanoTime();
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System.out.println(dateObj + ", totalTime = " + (endTime - startTime));
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}
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String d = DateUtils.getDateTimeForHuman(1463708066124L);
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DateObject dateObj = new DateObject(d);
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System.out.println(dateObj);
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*/
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}
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}
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