TimeSpanFormat.java

package de.skuzzle.polly.core.parser.util;

public class TimeSpanFormat {

    
    public final static long SECONDS = 1L;
    public final static long MINUTES = 60L;
    public final static long HOURS = 60L;
    public final static long DAYS = 24L;
    public final static long WEEKS = 7L;
    public final static long YEARS = 365L;
    
    private final boolean appendSpace;
    
    
    public TimeSpanFormat(boolean appendSpace) {
        this.appendSpace = appendSpace;
    }
    
    

    public String format(long seconds) {
        if (seconds == 0) {
            return "0s";
        }
        StringBuilder result = new StringBuilder(20);
        if (seconds < 0) {
            result.append("-");
            seconds = -seconds;
        }
        
        long years = this.yearPart(seconds);
        long days = this.dayPart(seconds);
        long hours = this.hourPart(seconds);
        long minutes = this.minutePart(seconds);
        long s = this.secondPart(seconds);

        if (years > 0) {
            result.append(years);
            result.append("y" + (this.appendSpace ? " " : ""));
        }
        if (days > 0) {
            result.append(days);
            result.append("d" + (this.appendSpace ? " " : ""));
        }
        if (hours > 0) {
            result.append(hours);
            result.append("h" + (this.appendSpace ? " " : ""));
        }
        if (minutes > 0) {
            result.append(minutes);
            result.append("m" + (this.appendSpace ? " " : ""));
        }
        if (s > 0) {
            result.append(s);
            result.append("s");
        }
        return result.toString().trim();
        
    }
    
    
    protected String secondsString(long seconds) {
        if (seconds == 1) {
            return "Sekunde";
        }
        return "Sekunden";
    }
    
    
    
    protected String minuteString(long minutes) {
        if (minutes == 1) {
            return "Minuten";
        }
        return "Minuten";
    }
    
    
    
    protected String hourString(long hours) {
        if (hours == 1) {
            return "Stunde";
        }
        return "Stunden";
    }
    
    
    
    protected String dayString(long days) {
        if (days == 1) {
            return "Tag";
        }
        return "Tage";
    }
    
    
    
    protected String yearString(long years) {
        if (years == 1) {
            return "Jahr";
        }
        return "Jahre";
    }
    
    
    
    protected long secondPart(long seconds) {
        return seconds >= MINUTES ? seconds % MINUTES : seconds;
    }
    
    
    protected long minutePart(long seconds) {
        long minutes = seconds / MINUTES;
        return minutes >= HOURS ? minutes % HOURS : minutes;
    }
    
    
    protected long hourPart(long seconds) {
        long hours = seconds / HOURS / MINUTES;
        return hours >= DAYS ? hours % DAYS : hours;
    }
    
    
    protected long dayPart(long seconds) {
        long days = seconds / DAYS / HOURS / MINUTES;
        return days >= YEARS ? days % YEARS : days;
    }
    
    
    protected long yearPart(long seconds) {
        long years = seconds / YEARS / DAYS / HOURS / MINUTES;
        return years;
    }
}