TimeConverterService.java

/**
 * ***************************************************************************
 * Copyright (c) 2010 Qcadoo Limited
 * Project: Qcadoo Framework
 * Version: 1.4
 *
 * This file is part of Qcadoo.
 *
 * Qcadoo is free software; you can redistribute it and/or modify
 * it under the terms of the GNU Affero General Public License as published
 * by the Free Software Foundation; either version 3 of the License,
 * or (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty
 * of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
 * See the GNU Affero General Public License for more details.
 *
 * You should have received a copy of the GNU Affero General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
 * ***************************************************************************
 */
package com.qcadoo.view.api.utils;

import java.text.ParseException;
import java.text.SimpleDateFormat;
import java.util.Date;
import java.util.Locale;

import org.springframework.stereotype.Service;

import com.qcadoo.localization.api.utils.DateUtils;

/**
 * Helper service for convert time from database to format (hh:mm:ss)
 * 
 * @since 0.4.0
 */
@Service
public class TimeConverterService {

    private static final String ERROR_STRING_VALUE = "###";

    /**
     * Convert string time value to string in format hh:mm:ss
     * 
     * @param duration
     *            time value from database
     * @return time value in format hh:mm:ss
     */
    public static String convertTimeToString(final Object duration) {
        if (duration instanceof Integer) {
            return durationToString((Integer) duration);
        } else {
            if (duration == null) {
                return "";
            }

            String stringDuration = (String) duration;

            int integerDuration = Integer.parseInt(stringDuration.replaceAll("\\D", ""));

            if (stringDuration.contains("-")) {
                integerDuration = -integerDuration;
            }

            return durationToString(integerDuration);
        }
    }

    public static String durationToString(final Integer duration) {
        if (duration == null) {
            return ERROR_STRING_VALUE;
        }

        boolean minus = false;

        long longValueFromDuration = duration.longValue();

        if (longValueFromDuration < 0 ) {
            minus = true;

            longValueFromDuration = -longValueFromDuration;
        }

        long hours = longValueFromDuration / 3600;
        long minutes = longValueFromDuration % 3600 / 60;
        long seconds = longValueFromDuration % 3600 % 60;

        return (minus ? "-" : "") +
                ((hours < 10) ? "0" : "") + hours + ":" +
                ((minutes < 10) ? "0" : "") + minutes + ":" +
                ((seconds < 10) ? "0" : "") + seconds;
    }

    /**
     * Converts value from data field to Date
     * 
     * @deprecated This method will be removed soon. Please use {@link DateUtils#parseDate(Object)}
     * 
     * @param dateFromField
     *            value from view field
     * @return date value in format dd:mm:rrrr hh:mm
     */
    @Deprecated
    public Date getDateTimeFromField(final Object dateFromField) {
        try {
            return new SimpleDateFormat(DateUtils.L_DATE_TIME_FORMAT, Locale.getDefault()).parse((String) dateFromField);
        } catch (ParseException e) {
            throw new IllegalStateException(e.getMessage(), e);
        }
    }

    /**
     * Converts value from field to Object
     * 
     * @deprecated This method will be removed soon. Please use {@link DateUtils#toDateTimeString(Date)}
     * 
     * @param date
     *            value from entity
     * @return date to view field
     */
    @Deprecated
    public Object setDateTimeToField(final Date date) {
        return new SimpleDateFormat(DateUtils.L_DATE_TIME_FORMAT, Locale.getDefault()).format(date);
    }

    /**
     * Converts value from data field to Date
     * 
     * @deprecated This method will be removed soon. Please use {@link DateUtils#parseDate(Object)}
     * 
     * @param dateFromField
     *            value from view field
     * @return date value in format dd:mm:rrrr
     */
    @Deprecated
    public Date getDateFromField(final Object dateFromField) {
        try {
            return new SimpleDateFormat(DateUtils.L_DATE_FORMAT, Locale.getDefault()).parse((String) dateFromField);
        } catch (ParseException e) {
            throw new IllegalStateException(e.getMessage(), e);
        }
    }

    /**
     * Converts value from field to Object
     * 
     * @deprecated This method will be removed soon. Please use {@link DateUtils#toDateString(Date)}
     * 
     * @param date
     *            value from entity
     * @return date to view field
     */
    @Deprecated
    public Object setDateToField(final Date date) {
        return new SimpleDateFormat(DateUtils.L_DATE_FORMAT, Locale.getDefault()).format(date);
    }

}