@Named
@ViewScoped
public class TimePickerController implements Serializable {

    private static final long serialVersionUID = 20120224L;

    private Date time1;
    private Date time2;
    private LocalTime time3;
    private LocalTime time4;
    private LocalTime time5;
    private Date time6;
    private boolean showTime = false;
    private String locale = "en_US";

    public TimePickerController() {
        final Calendar calendar = Calendar.getInstance();
        calendar.set(Calendar.AM_PM, Calendar.AM);
        calendar.set(Calendar.HOUR, 8);
        calendar.set(Calendar.MINUTE, 15);
        time1 = calendar.getTime();

        calendar.set(Calendar.HOUR, 11);
        calendar.set(Calendar.MINUTE, 40);
        time2 = calendar.getTime();

        time3 = LocalTime.now();

        time5 = LocalTime.now();

        time6 = new Date();
    }

    public Date getTime1() {
        return time1;
    }

    public void setTime1(final Date time1) {
        this.time1 = time1;
    }

    public Date getTime2() {
        return time2;
    }

    public void setTime2(final Date time2) {
        this.time2 = time2;
    }

    public LocalTime getTime3() {
        return time3;
    }

    public void setTime3(final LocalTime time3) {
        this.time3 = time3;
    }

    public LocalTime getTime4() {
        return time4;
    }

    public void setTime4(final LocalTime time4) {
        this.time4 = time4;
    }

    public LocalTime getTime5() {
        return time5;
    }

    public void setTime5(final LocalTime time5) {
        this.time5 = time5;
    }

    public Date getTime6() {
        return time6;
    }

    public void setTime6(final Date time6) {
        this.time6 = time6;
    }

    public String getLocale() {
        return locale;
    }

    public void setLocale(final String locale) {
        this.locale = locale;
    }

    public String getFormattedTime1() {
        return getFormattedTime(time1, "HH:mm");
    }

    public String getFormattedTime2() {
        return getFormattedTime(time2, "HH:mm");
    }

    public String getFormattedTime3() {
        return getFormattedTime(time3, "HH:mm");
    }

    public String getFormattedTime4() {
        return getFormattedTime(time4, "hh-mm a");
    }

    public String getFormattedTime5() {
        return getFormattedTime(time5, "HH:mm");
    }

    public String getFormattedTime6() {
        return getFormattedTime(time6, "HH:mm");
    }

    public void showTime(final ActionEvent ae) {
        showTime = true;
    }

    public void changeLocale(final ActionEvent ae) {
        if (StringUtils.equalsIgnoreCase(locale, "pt_BR")) {
            locale = "en_US";
        }
        else {
            locale = "pt_BR";
        }
    }

    public boolean isShowTimeDialog() {
        if (showTime) {
            showTime = false;

            return true;
        }

        return false;
    }

    public void timeSelectListener(final TimeSelectEvent<Date> timeSelectEvent) {
        final FacesMessage msg = new FacesMessage(FacesMessage.SEVERITY_INFO, "Time select fired",
                    "Selected time: " + getFormattedTime(timeSelectEvent.getTime(), "HH:mm"));
        FacesContext.getCurrentInstance().addMessage(null, msg);
    }

    public void beforeShowListener(final BeforeShowEvent beforeShowEvent) {
        final FacesMessage msg = new FacesMessage(FacesMessage.SEVERITY_INFO, "Before show fired",
                    "Component id: " + beforeShowEvent.getComponent().getId());
        FacesContext.getCurrentInstance().addMessage(null, msg);
    }

    public void closeListener(final CloseEvent closeEvent) {
        final FacesMessage msg = new FacesMessage(FacesMessage.SEVERITY_INFO, "Close fired",
                    "Component id: " + closeEvent.getComponent().getId());
        FacesContext.getCurrentInstance().addMessage(null, msg);
    }

    private String getFormattedTime(final Date time, final String format) {
        if (time == null) {
            return null;
        }

        final SimpleDateFormat formatter = new SimpleDateFormat(format);
        return formatter.format(time);
    }

    private String getFormattedTime(final Temporal time, final String format) {
        if (time == null) {
            return null;
        }

        final DateTimeFormatter formatter = DateTimeFormatter.ofPattern(format);
        return formatter.format(time);
    }

}
            

<h:outputScript id="timeRangeScript" target="body">
/* <![CDATA[ */
    // Use case 2
    
    function onHourShowCallback(hour) {
        if ((hour > 20) || (hour < 6)) {
            return false; // not valid
        }
        
        return true; // valid
    }
    
    function onMinuteShowCallback(hour, minute) {
        if ((hour == 20) && (minute >= 30)) {
            return false; // not valid
        }
        
        if ((hour == 6) && (minute < 30)) {
            return false; // not valid
        }
        
        return true;  // valid
    }
    
    // Use case 3
    
    function tpStartOnHourShowCallback(hour) {
        if (!PrimeFaces.widgets['endTimeWidget']) {
            return false;
        }
    
        var tpEndHour = parseInt(PF('endTimeWidget').getHours());
    
        // Check if proposed hour is prior or equal to selected end time hour
        if (parseInt(hour) <= tpEndHour) {
            return true;
        }
    
        // if hour did not match, it can not be selected
        return false;
    }
    
    function tpStartOnMinuteShowCallback(hour, minute) {
        if (!PrimeFaces.widgets['endTimeWidget']) {
            return false;
        }
    
        var tpEndHour = parseInt(PF('endTimeWidget').getHours());
        var tpEndMinute = parseInt(PF('endTimeWidget').getMinutes());
    
        // Check if proposed hour is prior to selected end time hour
        if (parseInt(hour) < tpEndHour) {
            return true;
        }
    
        // Check if proposed hour is equal to selected end time hour and minutes is prior
        if ((parseInt(hour) == tpEndHour) && (parseInt(minute) < tpEndMinute)) {
            return true;
        }
    
        // if minute did not match, it can not be selected
        return false;
    }
    
    function tpEndOnHourShowCallback(hour) {
        if (!PrimeFaces.widgets['startTimeWidget']) {
            return false;
        }
    
        var tpStartHour = parseInt(PF('startTimeWidget').getHours());
    
        // Check if proposed hour is after or equal to selected start time hour
        if (parseInt(hour) >= tpStartHour) {
            return true;
        }
    
        // if hour did not match, it can not be selected
        return false;
    }
    
    function tpEndOnMinuteShowCallback(hour, minute) {
        if (!PrimeFaces.widgets['startTimeWidget']) {
            return false;
        }
    
        var tpStartHour = parseInt(PF('startTimeWidget').getHours());
        var tpStartMinute = parseInt(PF('startTimeWidget').getMinutes());
    
        // Check if proposed hour is after selected start time hour
        if (parseInt(hour) > tpStartHour) {
            return true;
        }
    
        // Check if proposed hour is equal to selected start time hour and minutes is after
        if ((parseInt(hour) == tpStartHour) && (parseInt(minute) > tpStartMinute)) {
            return true;
        }
    
        // if minute did not match, it can not be selected
        return false;
    }
/* ]]> */
</h:outputScript>