CSCI152 L3 P1

public class Clock {

    /**
     * @param args the command line arguments
     */
    // Fields
    private int hours;
    private int minutes;
    private int seconds;

    /**
     *
     */
    public Clock(){
        hours=0;
        minutes=0;
        seconds=0;
    }


    // Constructor
    /**
     * Sets the hours, minutes and seconds fields to the given parameters h, m
     * and s, if h is between 0 and 23, m and s are between 0 and 59
     * inclusively. If at least on of the parameters is not in the valid range,
     * the fields remains unchanged.
     *
     * @param h the hours to set
     * @param m the minutes to set
     * @param s the seconds to set
     * @throws Exception if the parameters are not in the range
     */
    public Clock(int h, int m, int s) throws Exception{
        if (h>=24 || h<0 || m>=60 || m<0 || s>=60 || s<0){
            throw new Exception("Invalid time format!");
        } else {
            hours = h; minutes = m; seconds = s;
        }
    }

    // Reset method
    /**
     * Resets all fields to 0.
     *
     */
    public void resetToMidnight() {
        hours = 0; minutes = 0; seconds = 0;
    }

    // Check if morning method
    /**
     * Shows is it morning by returning boolean.
     *
     * @return
     */
    public boolean isMorning() {
        return (hours>=5 && hours<12);
    }

    // Advance one second method
    /**
     * Does one tick.
     *
     */
    public void tick() {
        seconds++;
        if (seconds >= 60) {
            seconds = 0;
            // need to increment mins, etc.
            minutes++;
            if (minutes>=60){
                minutes=0;
                hours++;
                if (hours>=24){
                    hours=0;
                }
            }
        }
    }

    /**
     * Shows the fields in time format.
     *
     * @return String
     */
    public String toString(){
        String sh, sm, ss;
        if (hours<10){
            sh="0"+hours;
        } else {
            sh=""+hours;
        }
        if (minutes<10){
            sm="0"+minutes;
        } else {
            sm=""+minutes;
        }
        if (seconds<10){
            ss="0"+seconds;
        } else {
            ss=""+seconds;
        }
        return sh+":"+sm+":"+ss;
    }

    /**
     * Returns hors field value.
     *
     * @return the hours
     */
    public int getHours() {
        return hours;
    }

    /**
     * Sets the hours field to the hours, if the hours is in range from 0 to 23
     * inclusively. If the hours parameter is not in the range, the hours field
     * remains unchanged.
     *
     * @param hours the hours to set
     * @throws Exception is hours is not in the range
     */
    public void setHours(int hours) throws Exception{
        if (hours>=24 || hours<0){
            throw new Exception("Invalid hours format!");
        }
        this.hours = hours;
    }

    /**
     * Gets the value of minutes field.
     *
     * @return the minutes
     */
    public int getMinutes() {
        return minutes;
    }

    /**
     * Sets the minutes field to the minutes, if the parameter minutes is in
     * range from 0 to 59 inclusively. If the minutes parameter is not in the
     * range, the minutes field remains unchanged.
     *
     * @param minutes the minutes to set
     * @throws Exception if minutes is not in the range
     */
    public void setMinutes(int minutes) throws Exception{
        if (minutes>=60 || minutes<0){
            throw new Exception("Invalid minutes format!");
        }
        this.minutes = minutes;
    }

    /**
     * @return the seconds
     */
    public int getSeconds() {
        return seconds;
    }

    /**
     * Sets the seconds field to the seconds, if the parameter seconds is in
     * range from 0 to 59 inclusively. If the seconds parameter is not in the
     * range, the seconds field remains unchanged.
     *
     * @param seconds the seconds to set
     * @throws Exception if seconds is not in the range
     */
    public void setSeconds(int seconds) throws Exception{
        if (seconds>=24 || seconds<0){
            throw new Exception("Invalid seconds format!");
        }
        this.seconds = seconds;
    }
}


public class testClock {
    public static void main(String[] args){
        Clock myClock = new Clock();
        try{
            myClock=new Clock(24, 13, 30);
        } catch (Exception ex) {
            System.out.println(ex.getMessage());
        }
        System.out.println(myClock);

        try{
            myClock.setHours(24);
        } catch (Exception ex){
            System.out.println(ex.getMessage());
        }
        System.out.println(myClock);

        try{
            myClock.setMinutes(60);
        } catch (Exception ex){
            System.out.println(ex.getMessage());
        }
        System.out.println(myClock);

        try{
            myClock.setSeconds(60);
        } catch (Exception ex){
            System.out.println(ex.getMessage());
        }
        System.out.println(myClock);
    }
}