package net.osmand.osm;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.Calendar;
import java.util.List;
public class OpeningHoursParser {
private static final String[] daysStr = new String[] {"Mo", "Tu", "We", "Th", "Fr", "Sa", "Su"}; //$NON-NLS-1$ //$NON-NLS-2$ //$NON-NLS-3$ //$NON-NLS-4$ //$NON-NLS-5$ //$NON-NLS-6$ //$NON-NLS-7$
public static interface OpeningHoursRule {
public boolean isOpenedForTime(Calendar cal);
public String toRuleString();
}
public static class BasicDayOpeningHourRule implements OpeningHoursRule {
private boolean[] days = new boolean[7];
private int startTime = -1;
private int endTime = - 1;
public boolean[] getDays() {
return days;
}
public void setStartTime(int startTime) {
this.startTime = startTime;
}
public int getStartTime() {
return startTime;
}
public int getEndTime() {
return endTime;
}
public void setEndTime(int endTime) {
this.endTime = endTime;
}
@Override
public boolean isOpenedForTime(Calendar cal) {
if(startTime == -1){
return false;
}
int i = cal.get(Calendar.DAY_OF_WEEK);
int d = (i + 5) % 7;
int p = d - 1;
if(p < 0){
p+=7;
}
int time = cal.get(Calendar.HOUR_OF_DAY) * 60 + cal.get(Calendar.MINUTE);
// one day working 10 - 20 (not 20 - 04)
if(startTime < endTime || endTime == -1){
if(days[d]){
if(time >= startTime && (endTime == -1 || time <= endTime)){
return true;
}
}
return false;
} else {
if (time >= startTime && days[p]) {
// check in previous day
return true;
} else if (time <= endTime && days[d]) {
// check in previous day
return true;
}
return false;
}
}
@Override
public String toRuleString() {
StringBuilder b = new StringBuilder(25);
boolean dash = false;
boolean first = true;
boolean open24_7 = true;
for(int i=0; i< 7; i++){
if (days[i]) {
if (i > 0 && days[i - 1] && i < 6 && days[i + 1]) {
if (!dash) {
dash = true;
b.append("-"); //$NON-NLS-1$
}
continue;
}
if (first) {
first = false;
} else if (!dash) {
b.append(", "); //$NON-NLS-1$
}
b.append(daysStr[i]);
dash = false;
} else {
open24_7 = false;
}
}
if(open24_7 && startTime == 0 && endTime / 60 == 24){
return "24/7";
}
int stHour = startTime / 60;
int stTime = startTime - stHour * 60;
int enHour = endTime / 60;
int enTime = endTime - enHour * 60;
b.append(" "); //$NON-NLS-1$
formatTime(stHour, stTime, b);
b.append("-"); //$NON-NLS-1$
formatTime(enHour, enTime, b);
return b.toString();
}
@Override
public String toString() {
return toRuleString();
}
}
public static OpeningHoursRule parseRule(String r){
int startDay = -1;
int previousDay = -1;
int k = 0;
// check 24/7
BasicDayOpeningHourRule basic = new BasicDayOpeningHourRule();
boolean[] days = basic.getDays();
if("24/7".equals(r)){
Arrays.fill(days, true);
basic.setStartTime(0);
basic.setEndTime(24*60);
return basic;
}
for (; k < r.length(); k++) {
char ch = r.charAt(k);
if (Character.isDigit(ch)) {
// time starts
break;
}
if(Character.isWhitespace(ch) || ch == ','){
continue;
} else if(ch == '-'){
if(previousDay != -1){
startDay = previousDay;
} else {
return null;
}
} else if(k < r.length() - 1){
int i = 0;
for(String s : daysStr){
if(s.charAt(0) == ch && s.charAt(1) == r.charAt(k+1)){
break;
}
i++;
}
if(i < daysStr.length){
if(startDay != -1){
for (int j = startDay; j <= i; j++) {
days[j] = true;
}
startDay = -1;
} else {
days[i] = true;
}
previousDay = i;
}
} else {
return null;
}
}
if(previousDay == -1){
return null;
}
String time = r.substring(k);
String[] stEnd = time.split("-"); //$NON-NLS-1$
if(stEnd.length != 2){
return null;
}
int st;
int end;
try {
int i1 = stEnd[0].indexOf(':');
int i2 = stEnd[1].indexOf(':');
if(i1 == -1 || i2 == -1){
return null;
}
st = Integer.parseInt(stEnd[0].substring(0, i1).trim())* 60 + Integer.parseInt(stEnd[0].substring(i1 + 1).trim());
end = Integer.parseInt(stEnd[1].substring(0, i2).trim())* 60 + Integer.parseInt(stEnd[1].substring(i2 + 1).trim());
} catch (NumberFormatException e) {
return null;
}
basic.setStartTime(st);
basic.setEndTime(end);
return basic;
}
public static List<OpeningHoursRule> parseOpenedHours(String format){
String[] rules = format.split(";"); //$NON-NLS-1$
List<OpeningHoursRule> rs = new ArrayList<OpeningHoursRule>();
for(String r : rules){
r = r.trim();
if(r.length() == 0){
continue;
}
// check if valid
OpeningHoursRule rule = parseRule(r);
if(rule == null){
return null;
}
rs.add(rule);
}
return rs;
}
public static String toStringOpenedHours(List<? extends OpeningHoursRule> rules){
StringBuilder b = new StringBuilder(100);
// check 24/7
boolean first = true;
for (OpeningHoursRule p : rules) {
if(p == null){
continue;
}
if (first) {
first = false;
} else {
b.append("; "); //$NON-NLS-1$
}
b.append(p.toRuleString());
}
return b.toString();
}
private static void formatTime(int h, int t, StringBuilder b){
if(h < 10){
b.append("0"); //$NON-NLS-1$
}
b.append(h).append(":"); //$NON-NLS-1$
if(t < 10){
b.append("0"); //$NON-NLS-1$
}
b.append(t);
}
public static void main(String[] args) {
List<OpeningHoursRule> hours = parseOpenedHours("Mo-Fr 08:30-14:40; Sa 08:00 - 14:00"); //$NON-NLS-1$
System.out.println(hours);
System.out.println(toStringOpenedHours(hours));
hours = parseOpenedHours("Mo, We-Fr, Th, Sa 08:30-14:40; Sa 08:00 - 14:00"); //$NON-NLS-1$
System.out.println(hours);
System.out.println(toStringOpenedHours(hours));
hours = parseOpenedHours("Mo-Su 00:00-24:00"); //$NON-NLS-1$
System.out.println(hours);
System.out.println(toStringOpenedHours(hours));
hours = parseOpenedHours("24/7"); //$NON-NLS-1$
System.out.println(hours);
System.out.println(toStringOpenedHours(hours));
}
}