Android Open Source - android-utils Date Utils

From Project

Back to project page android-utils.
License

The source code is released under:
Apache License
If you think the Android project android-utils listed in this page is inappropriate, such as containing malicious code/tools or violating the copyright, please email info at java2s dot com, thanks.
Java Source Code

/**
 * Copyright 2014 Zhenguo Jin//from  w  w w  .  j ava2  s.  c om
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *   http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package com.worthed.util;

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

/**
 * ?????
 *
 * @author jingle1267@163.com
 */
public class DateUtils {

    /**
     * ???? *
     */
    public static final String yyyyMMDD = "yyyy-MM-dd";
    public static final String yyyyMMddHHmmss = "yyyy-MM-dd HH:mm:ss";
    public static final String HHmmss = "HH:mm:ss";
    public static final String hhmmss = "HH:mm:ss";
    public static final String LOCALE_DATE_FORMAT = "yyyy?M?d? HH:mm:ss";
    public static final String DB_DATA_FORMAT = "yyyy-MM-DD HH:mm:ss";
    public static final String NEWS_ITEM_DATE_FORMAT = "hh:mm M?d? yyyy";


    public static String dateToString(Date date, String pattern)
            throws Exception {
        return new SimpleDateFormat(pattern).format(date);
    }

    public static Date stringToDate(String dateStr, String pattern)
            throws Exception {
        return new SimpleDateFormat(pattern).parse(dateStr);
    }

    /**
     * ?Date????????????
     *
     * @param date Date??
     * @param type ?????????
     * @return ?????????????
     */
    public static String formatDate(Date date, String type) {
        try {
            SimpleDateFormat df = new SimpleDateFormat(type);
            return df.format(date);
        } catch (Exception e) {
            e.printStackTrace();
        }
        return null;
    }

    /**
     * ???????????Date??
     *
     * @param dateStr ?????
     * @param type    ????????
     * @return Date??
     */
    public static Date parseDate(String dateStr, String type) {
        SimpleDateFormat df = new SimpleDateFormat(type);
        Date date = null;
        try {
            date = df.parse(dateStr);
        } catch (ParseException e) {
            e.printStackTrace();
        }
        return date;

    }

    /**
     * ???
     *
     * @param date Date??
     * @return ?
     */
    public static int getYear(Date date) {
        Calendar c = Calendar.getInstance();
        c.setTime(date);
        return c.get(Calendar.YEAR);
    }

    /**
     * ???
     *
     * @param date Date??
     * @return ?
     */
    public static int getMonth(Date date) {
        Calendar c = Calendar.getInstance();
        c.setTime(date);
        return c.get(Calendar.MONTH) + 1;

    }

    /**
     * ???
     *
     * @param date Date??
     * @return ?
     */
    public static int getDay(Date date) {
        Calendar c = Calendar.getInstance();
        c.setTime(date);
        return c.get(Calendar.DAY_OF_MONTH);
    }

    /**
     * ?????? ???????, ??, ???, XXXX-XX-XX, ...
     *
     * @param time ??
     * @return ?????????????????????
     */
    public static String translateDate(Long time) {
        long oneDay = 24 * 60 * 60 * 1000;
        Calendar current = Calendar.getInstance();
        Calendar today = Calendar.getInstance();    //??

        today.set(Calendar.YEAR, current.get(Calendar.YEAR));
        today.set(Calendar.MONTH, current.get(Calendar.MONTH));
        today.set(Calendar.DAY_OF_MONTH, current.get(Calendar.DAY_OF_MONTH));
        //  Calendar.HOUR12????????? Calendar.HOUR_OF_DAY24?????????
        today.set(Calendar.HOUR_OF_DAY, 0);
        today.set(Calendar.MINUTE, 0);
        today.set(Calendar.SECOND, 0);

        long todayStartTime = today.getTimeInMillis();

        if (time >= todayStartTime && time < todayStartTime + oneDay) { // today
            return "??";
        } else if (time >= todayStartTime - oneDay && time < todayStartTime) { // yesterday
            return "??";
        } else if (time >= todayStartTime - oneDay * 2 && time < todayStartTime - oneDay) { // the day before yesterday
            return "???";
        } else if (time > todayStartTime + oneDay) { // future
            return "????????";
        } else {
            SimpleDateFormat dateFormat = new SimpleDateFormat("yyyy-MM-dd");
            Date date = new Date(time);
            return dateFormat.format(date);
        }
    }

}
Java Source Code List
