500 lines
16 KiB
Java
500 lines
16 KiB
Java
package dev.zhub.timer.scheduled;
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import java.time.LocalDate;
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import java.time.LocalDateTime;
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import java.util.ArrayList;
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import java.util.Arrays;
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import java.util.List;
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/**
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* 时间解析器
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*
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* @author: liangxianyou
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*/
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@SuppressWarnings("Duplicates")
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public class ScheduledExpres implements Scheduled {
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private int year;
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private int month;
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private int[] minutes;
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private int[] hours;
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private int[] days;
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private int[] monthes;
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private int[] weeks;
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private String cfg;
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private String[] cfgArr;
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private LocalDateTime theTime;
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private int _y, _M, _d, _H, _m;
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@Deprecated
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private ScheduledExpres(String cfg) {
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this.cfg = cfg;
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this.theTime = LocalDateTime.now();
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initTheTime();
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}
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@Deprecated
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private ScheduledExpres(final LocalDateTime startTime, String cfg) {
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LocalDateTime now = LocalDateTime.now();
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this.theTime = now.isAfter(startTime) ? now : startTime;
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this.cfg = cfg;
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initTheTime();
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}
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public static Scheduled of(String cfg) {
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return new ScheduledExpres(cfg);
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}
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public static Scheduled of(final LocalDateTime startTime, String cfg) {
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return new ScheduledExpres(startTime, cfg);
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}
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//寻找初始合法时间
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public void initTheTime() {
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year = theTime.getYear();
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month = theTime.getMonthValue();
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cfgArr = cfg.split(" ");
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setWeeks();
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setMonthes();
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setDays();
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setHours();
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setMinutes();
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_y = theTime.getYear();
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_M = theTime.getMonthValue();
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_d = theTime.getDayOfMonth();
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_H = theTime.getHour();
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_m = theTime.getMinute();
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String cmd = "";//y M d H m
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if (days.length == 0) cmd = "M";
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do {
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carry(cmd);
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int inx;
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if ((inx = nowOk(monthes, _M)) < 0) {
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cmd = "y";
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continue;
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}
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_M = monthes[inx];
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if ((inx = nowOk(days, _d)) < 0) {
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cmd = "M";
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continue;
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}
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_d = days[inx];
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if ((inx = nowOk(hours, _H)) < 0) {
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cmd = "d";
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continue;
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}
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_H = hours[inx];
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if ((inx = nowOk(minutes, _m)) < 0) {
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cmd = "H";
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continue;
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}
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_m = minutes[inx];
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break;
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} while (true);
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theTime = LocalDateTime.of(_y, _M, _d, _H, _m);
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LocalDateTime now = LocalDateTime.now();
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while (theTime.isBefore(now)) {
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theTime = carry("m");
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}
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}
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/**
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* 下一次执行的时间
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*
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* @return
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*/
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@Override
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public LocalDateTime nextTime() {
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if (theTime.isAfter(LocalDateTime.now())) {
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return theTime;
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}
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return theTime = carry("m");
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}
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@Override
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public LocalDateTime theTime() {
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return theTime;
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}
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/**
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* 通过发送指令进行进位
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*
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* @param cmd 进位指令
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*/
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private LocalDateTime carry(String cmd) {
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int inx;
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while (!"".equals(cmd)) {
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switch (cmd) {
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case "y":
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_y = this.year = ++_y;
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_M = this.month = monthes[0];
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setDays();
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if (days.length == 0) {
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cmd = "M";
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continue;
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}
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_d = days[0];
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_H = hours[0];
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_m = minutes[0];
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break;
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case "M":
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if (_M < monthes[0]) {
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_M = monthes[0];
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break;
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}
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inx = Arrays.binarySearch(monthes, _M);
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if (inx < 0 || inx >= monthes.length - 1) {
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cmd = "y";
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continue;
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}
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_M = this.month = monthes[inx + 1];
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setDays();
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if (days.length == 0) {
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cmd = "M";
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continue;
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}
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_d = days[0];
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_H = hours[0];
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_m = minutes[0];
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break;
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case "d":
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if (_d < days[0]) {
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_d = days[0];
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break;
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}
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inx = Arrays.binarySearch(days, _d);
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if (inx < 0 || inx >= days.length - 1) {
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cmd = "M";
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continue;
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}
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_d = days[inx + 1];
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_H = hours[0];
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_m = minutes[0];
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break;
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case "H":
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if (_H < hours[0]) {
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_H = hours[0];
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break;
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}
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inx = Arrays.binarySearch(hours, _H);
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if (inx < 0 || inx >= hours.length - 1) {
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cmd = "d";
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continue;
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}
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_H = hours[inx + 1];
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_m = minutes[0];
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break;
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case "m":
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if (_m < minutes[0]) {
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_m = minutes[0];
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break;
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}
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inx = Arrays.binarySearch(minutes, _m);
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if (inx < 0 || inx >= minutes.length - 1) {
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cmd = "H";
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continue;
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}
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_m = minutes[inx + 1];
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break;
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}
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cmd = "";
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}
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return LocalDateTime.of(_y, _M, _d, _H, _m);
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}
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/**
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* 得到初始合法时间的索引
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*
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* @param arr 合法时间序列
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* @param n 初始选中值
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* @return 合法时间的索引
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*/
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private int nowOk(int[] arr, int n) {
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if (arr == null || arr.length == 0) return -1;
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if (arr[0] > n)
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return 0;
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if (arr[arr.length - 1] < n)
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return 0;
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if (arr[arr.length - 1] == n)
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return arr.length - 1;
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for (int i = 0; i < arr.length - 1; i++) {
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if ((arr[i] < n && arr[i + 1] > n) || arr[i] == n) {
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return i;
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}
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}
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return -1;
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}
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/**
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* 以下为 初始化合法时间 weeks，monthes，days，hour，minutes 序列
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*/
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private void setMinutes() {
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String cfg = cfgArr[0];
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if ("*".equals(cfg)) {//*
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minutes = new int[60];
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for (int i = 0; i < 60; i++) {
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minutes[i] = i;
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}
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} else if (cfg.matches("^[0-5]??[0-9]??$")) {//n
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minutes = new int[1];
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minutes[0] = Integer.parseInt(cfg);
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} else if (cfg.matches("^[*]/[0-9]+$")) {// */5
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String[] strArr = cfg.split("/");
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int p = Integer.parseInt(strArr[1]);
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minutes = new int[60 / p];
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for (int i = 0; i < minutes.length; i++) {
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minutes[i] = i * p;
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}
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} else if (cfg.matches("^([0-5]??[0-9]??,)+([0-5]??[0-9]??)?$")) {//1,3
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String[] strings = cfg.split(",");
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minutes = new int[strings.length];
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for (int i = 0; i < strings.length; i++) {
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minutes[i] = Integer.parseInt(strings[i]);
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}
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} else if (cfg.matches("^[0-5]??[0-9]??\\-[0-5]??[0-9]??$")) {//1-3
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String[] split = cfg.split("-");
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int s = Integer.parseInt(split[0]);
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int e = Integer.parseInt(split[1]);
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minutes = new int[e - s + 1];
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for (int i = 0; i < minutes.length; i++) {
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minutes[i] = s + i;
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}
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} else if (cfg.matches("^[0-5]??[0-9]??\\-[0-5]??[0-9]??/[0-5]??[0-9]??$")) {//3-18/5
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String[] strArr = cfg.split("/");
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String[] str2Arr = strArr[0].split("-");
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int s = Integer.parseInt(str2Arr[0]);
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int e = Integer.parseInt(str2Arr[1]);
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int p = Integer.parseInt(strArr[1]);
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minutes = new int[(e - s) / p];
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for (int i = 0; i < minutes.length; i++) {
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minutes[i] = s + i * p;
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}
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}
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}
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private void setHours() {
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String cfg = cfgArr[1];
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if ("*".equals(cfg)) {//*
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hours = new int[24];
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for (int i = 0; i < hours.length; i++) {
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hours[i] = i;
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}
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} else if (cfg.matches("^[0-5]??[0-9]??$")) {//n
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hours = new int[1];
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hours[0] = Integer.parseInt(cfg);
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} else if (cfg.matches("^[*]/[0-9]+$")) {// */5
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String[] strArr = cfg.split("/");
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int p = Integer.parseInt(strArr[1]);
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hours = new int[24 / p];
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for (int i = 0; i < hours.length; i++) {
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hours[i] = i * p;
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}
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} else if (cfg.matches("^([0-5]??[0-9]??,)+([0-5]??[0-9]??)?$")) {//1,3
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String[] strArr = cfg.split(",");
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hours = new int[strArr.length];
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for (int i = 0; i < strArr.length; i++) {
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hours[i] = Integer.parseInt(strArr[i]);
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}
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} else if (cfg.matches("^[0-5]??[0-9]??\\-[0-5]??[0-9]??$")) {//1-3
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String[] split = cfg.split("-");
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int s = Integer.parseInt(split[0]);
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int e = Integer.parseInt(split[1]);
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hours = new int[e - s + 1];
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for (int i = 0; i < hours.length; i++) {
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hours[i] = s + i;
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}
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} else if (cfg.matches("^[0-5]??[0-9]??\\-[0-5]??[0-9]??/[0-5]??[0-9]??$")) {//3-18/5
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String[] strArr = cfg.split("/");
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String[] str2Arr = strArr[0].split("-");
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int s = Integer.parseInt(str2Arr[0]);
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int e = Integer.parseInt(str2Arr[1]);
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int p = Integer.parseInt(strArr[1]);
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hours = new int[(e - s) / p];
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for (int i = 0; i < hours.length; i++) {
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hours[i] = s + i * p;
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}
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}
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}
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private void setWeeks() {
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String cfg = cfgArr[4];
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if ("*".equals(cfg)) {//*
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weeks = new int[7];
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for (int i = 0; i < weeks.length; i++) {
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weeks[i] = i + 1;
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}
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} else if (cfg.matches("^[0-5]??[0-9]??$")) {//n
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weeks = new int[1];
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weeks[0] = Integer.parseInt(cfg);
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} else if (cfg.matches("^[*]/[0-9]+$")) {// */5
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String[] strArr = cfg.split("/");
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int p = Integer.parseInt(strArr[1]);
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weeks = new int[7 / p];
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for (int i = 0; i < weeks.length; i++) {
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weeks[i] = i * p;
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}
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} else if (cfg.matches("^([0-5]??[0-9]??,)+([0-5]??[0-9]??)?$")) {//1,3
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String[] strArr = cfg.split(",");
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weeks = new int[strArr.length];
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for (int i = 0; i < strArr.length; i++) {
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weeks[i] = Integer.parseInt(strArr[i]);
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}
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} else if (cfg.matches("^[0-5]??[0-9]??\\-[0-5]??[0-9]??$")) {//1-3
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String[] split = cfg.split("-");
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int s = Integer.parseInt(split[0]);
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int e = Integer.parseInt(split[1]);
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weeks = new int[e - s + 1];
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for (int i = 0; i < weeks.length; i++) {
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weeks[i] = s + i;
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}
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} else if (cfg.matches("^[0-5]??[0-9]??\\-[0-5]??[0-9]??/[0-5]??[0-9]??$")) {//3-18/5
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String[] strArr = cfg.split("/");
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String[] str2Arr = strArr[0].split("-");
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int s = Integer.parseInt(str2Arr[0]);
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int e = Integer.parseInt(str2Arr[1]);
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int p = Integer.parseInt(strArr[1]);
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weeks = new int[(e - s) / p];
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for (int i = 0; i < weeks.length; i++) {
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weeks[i] = s + i * p;
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}
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}
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}
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private void setMonthes() {
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String cfg = cfgArr[3];
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if ("*".equals(cfg)) {//*
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monthes = new int[12];
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for (int i = 0; i < monthes.length; i++) {
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monthes[i] = i + 1;
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}
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} else if (cfg.matches("^[0-5]??[0-9]??$")) {//n
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monthes = new int[1];
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monthes[0] = Integer.parseInt(cfg);
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} else if (cfg.matches("^[*]/[0-9]+$")) {// */5
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String[] strArr = cfg.split("/");
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int p = Integer.parseInt(strArr[1]);
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monthes = new int[12 / p];
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for (int i = 0; i < monthes.length; i++) {
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monthes[i] = i * p;
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}
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} else if (cfg.matches("^([0-5]??[0-9]??,)+([0-5]??[0-9]??)?$")) {//1,3
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String[] strArr = cfg.split(",");
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monthes = new int[strArr.length];
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for (int i = 0; i < strArr.length; i++) {
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monthes[i] = Integer.parseInt(strArr[i]);
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}
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} else if (cfg.matches("^[0-5]??[0-9]??\\-[0-5]??[0-9]??$")) {//1-3
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String[] split = cfg.split("-");
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int s = Integer.parseInt(split[0]);
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int e = Integer.parseInt(split[1]);
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monthes = new int[e - s + 1];
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for (int i = 0; i < monthes.length; i++) {
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monthes[i] = s + i;
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}
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} else if (cfg.matches("^[0-5]??[0-9]??\\-[0-5]??[0-9]??/[0-5]??[0-9]??$")) {//3-18/5
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String[] strArr = cfg.split("/");
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String[] str2Arr = strArr[0].split("-");
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int s = Integer.parseInt(str2Arr[0]);
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int e = Integer.parseInt(str2Arr[1]);
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int p = Integer.parseInt(strArr[1]);
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monthes = new int[(e - s) / p];
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for (int i = 0; i < monthes.length; i++) {
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monthes[i] = s + i * p;
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}
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}
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}
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private void setDays() {
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String cfg = cfgArr[2];
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//当前月份总天数，
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LocalDate firstDay = LocalDate.of(year, month, 1);
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int lengthOfMonth = firstDay.lengthOfMonth();
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if ("*".equals(cfg)) {//*
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days = new int[lengthOfMonth];
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for (int i = 0; i < days.length; i++) {
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days[i] = i + 1;
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}
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} else if (cfg.matches("^[0-5]??[0-9]??$")) {//n
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days = new int[1];
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days[0] = Integer.parseInt(cfg);
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} else if (cfg.matches("^[*]/[0-9]+$")) {// */5
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String[] strArr = cfg.split("/");
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int p = Integer.parseInt(strArr[1]);
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days = new int[lengthOfMonth / p];
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for (int i = 0; i < days.length; i++) {
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days[i] = i * p;
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}
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} else if (cfg.matches("^([0-5]??[0-9]??,)+([0-5]??[0-9]??)?$")) {//1,3
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String[] strArr = cfg.split(",");
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days = new int[strArr.length];
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for (int i = 0; i < strArr.length; i++) {
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days[i] = Integer.parseInt(strArr[i]);
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}
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} else if (cfg.matches("^[0-5]??[0-9]??\\-[0-5]??[0-9]??$")) {//1-3
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String[] split = cfg.split("-");
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int s = Integer.parseInt(split[0]);
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int e = Integer.parseInt(split[1]);
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days = new int[e - s + 1];
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for (int i = 0; i < days.length; i++) {
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days[i] = s + i;
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}
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} else if (cfg.matches("^[0-5]??[0-9]??\\-[0-5]??[0-9]??/[0-5]??[0-9]??$")) {//3-18/5
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String[] strArr = cfg.split("/");
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String[] str2Arr = strArr[0].split("-");
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int s = Integer.parseInt(str2Arr[0]);
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int e = Integer.parseInt(str2Arr[1]);
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int p = Integer.parseInt(strArr[1]);
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days = new int[(e - s) / p];
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for (int i = 0; i < days.length; i++) {
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days[i] = s + i * p;
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}
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}
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int firstWeek = firstDay.getDayOfWeek().getValue();
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List<Integer> allDay = new ArrayList<>();
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for (int i = 0; i < days.length; i++) {
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//int week = 7 - Math.abs(i - firstWeek) % 7;//当前星期X
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int week;
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int d = days[i];
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if (d + firstWeek <= 8) {
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week = firstWeek + d - 1;
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} else {
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week = (d - (8 - firstWeek)) % 7;
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if (week == 0) week = 7;
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}
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|
||
//System.out.printf("M:%s,d:%s,w:%s%n", month, d, week);
|
||
|
||
if (Arrays.binarySearch(weeks, week) > -1) {
|
||
allDay.add(d);//加入日期
|
||
}
|
||
}
|
||
|
||
days = new int[allDay.size()];
|
||
for (int i = 0; i < allDay.size(); i++) {
|
||
days[i] = allDay.get(i);
|
||
}
|
||
}
|
||
|
||
}
|