Java Parse Time parseTimeSpec(String[] spec)

Description

parse Time Spec

License

Creative Commons License

Declaration

public static int parseTimeSpec(String[] spec) 

Method Source Code

//package com.java2s;
//License from project: Creative Commons License 

import java.text.ParseException;
import java.text.SimpleDateFormat;

public class Main {
    public static int parseTimeSpec(String[] spec) {
        if (spec == null || spec.length < 1 || spec.length > 2)
            return -1;
        if (spec.length == 1 && isInt(spec[0]))
            return Integer.valueOf(spec[0]);
        if (!spec[0].contains(":") && !spec[0].contains("."))
            if (spec.length == 2) {
                if (!isInt(spec[0]))
                    return -1;
                int min = Integer.parseInt(spec[0]);
                if (spec[1].startsWith("h"))
                    min *= 60;//from www.  java2  s  . com
                else if (spec[1].startsWith("d"))
                    min *= 1440;
                return min;
            } else if (spec.length == 1) {
                int days = 0, hours = 0, minutes = 0;
                int lastIndex = 0, currIndex = 1;
                while (currIndex <= spec[0].length()) {
                    while (currIndex <= spec[0].length() && isInt(spec[0].substring(lastIndex, currIndex)))
                        currIndex++;
                    if (currIndex - 1 != lastIndex) {
                        final String param = spec[0].substring(currIndex - 1, currIndex).toLowerCase();
                        if (param.equals("d"))
                            days = Integer.parseInt(spec[0].substring(lastIndex, currIndex - 1));
                        else if (param.equals("h"))
                            hours = Integer.parseInt(spec[0].substring(lastIndex, currIndex - 1));
                        else if (param.equals("m"))
                            minutes = Integer.parseInt(spec[0].substring(lastIndex, currIndex - 1));
                    }
                    lastIndex = currIndex;
                    currIndex++;
                }
                if (days == 0 && hours == 0 && minutes == 0)
                    return -1;
                return minutes + hours * 60 + days * 1440;
            } else
                return -1;
        final String timestamp;
        if (spec.length == 1) {
            if (spec[0].contains(":"))
                timestamp = new SimpleDateFormat("dd.MM.yyyy").format(System.currentTimeMillis()) + " " + spec[0];
            else
                timestamp = spec[0] + " 00:00:00";
        } else
            timestamp = spec[0] + " " + spec[1];
        try {
            return (int) ((System.currentTimeMillis()
                    - new SimpleDateFormat("dd.MM.yyyy HH:mm:ss").parse(timestamp).getTime()) / 60000);
        } catch (final ParseException ex) {
            return -1;
        }
    }

    public static boolean isInt(String str) {
        try {
            Integer.parseInt(str);
            return true;
        } catch (final NumberFormatException ex) {
        }
        return false;
    }
}

Related

1. parseTime(String time, String formatStrBefore, String formatStrAfter)
2. parseTime(String timestring)
3. parseTime(String timeString, TimeZone timeZone)
4. parseTime(String token)
5. parseTimeConfiguration(String time)
6. parseTimeStr(String timeStr)
7. parseTimeString(String time)
8. parseTimeString(String timeString)
9. parseTimezoneOffset(String value)