package kr.wisestone.owl.util;
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import com.google.common.collect.Lists;
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import org.apache.commons.lang3.time.DateUtils;
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import org.joda.time.DateTime;
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import org.joda.time.Days;
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import java.text.ParseException;
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import java.text.SimpleDateFormat;
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import java.util.*;
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public class DateUtil {
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public static final String THIS_WEEK = "THIS_WEEK"; // 이번주
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public static final String LAST_WEEK = "LAST_WEEK"; // 지난주
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public static final String LAST_SEVEN_DAYS = "LAST_SEVEN_DAYS"; // 최근 7일
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public static final String THIS_MONTH = "THIS_MONTH"; // 이번달
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public static final String LAST_MONTH = "LAST_MONTH"; // 지난달
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public static final String LAST_THIRTY_DAYS = "LAST_THIRTY_DAYS"; // 최근 30일
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public static final String CUSTOM_INPUT = "CUSTOM_INPUT"; // 직접 입력
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public static Date convertStrToDate(String source) {
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return convertStrToDate(source, "yyyy-MM-dd HH:mm:ss");
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}
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public static Date convertStrToDateOnly(String source) {
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return convertStrToDate(source, "yyyy-MM-dd");
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}
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public static Date convertStrToDate(String source, String pattern) {
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return convertStrToDate(source, pattern, Locale.KOREA);
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}
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public static Date convertStrToDate(String source, String pattern, Locale locale) {
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Date date = null;
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SimpleDateFormat sdf = new SimpleDateFormat(pattern, locale);
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try {
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date = sdf.parse(source);
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} catch (ParseException e) {
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e.printStackTrace();
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}
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return date;
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}
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public static String convertDateToYYYYMMDD(Date source) {
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return convertDateToStr(source, "yyyy-MM-dd");
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}
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public static String convertDateToHHMMSS(Date source) {
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return convertDateToStr(source, "HH:mm:ss");
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}
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public static String convertDateToStr(Date source) {
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return convertDateToStr(source, "yyyy-MM-dd HH:mm:ss");
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}
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public static String convertDateToStr(Date source, String pattern) {
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return convertDateToStr(source, pattern, Locale.KOREA);
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}
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public static String convertDateToStr(Date source, String pattern, Locale locale) {
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String date = null;
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SimpleDateFormat sdf = new SimpleDateFormat(pattern, locale);
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date = sdf.format(source);
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return date;
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}
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public static Date addDays(Date date, int amount) {
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return DateUtils.addDays(date, amount);
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}
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public static Integer getDateDiff(Date fromDate, Date toDate) {
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return Days.daysBetween(new DateTime(fromDate), new DateTime(toDate)).getDays();
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}
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public static boolean isValidDate(String date, String pattern) {
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SimpleDateFormat sdf = new SimpleDateFormat(pattern);
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if (date == null) {
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return false;
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}
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String format = null;
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try {
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format = sdf.format(sdf.parse(date));
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} catch (ParseException e) {
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e.printStackTrace();
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}
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return date.equals(format);
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}
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// 검색 날짜를 가져온다.
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public static List<Date> getSearchDays(String condition) {
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Calendar cal = Calendar.getInstance();
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List<Date> days = Lists.newArrayList();
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switch(condition) {
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// 최근 7일 날짜 리스트 가져오기
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case DateUtil.LAST_SEVEN_DAYS :
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days.add(cal.getTime());
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for (int count = 0; count < 6; count++) {
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cal.add(Calendar.DATE, -1);
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days.add(cal.getTime());
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}
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break;
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case DateUtil.THIS_WEEK:
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// 이번주 날짜 리스트 가져오기
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days.add(cal.getTime());
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while (cal.get(Calendar.DAY_OF_WEEK) != Calendar.SUNDAY) {
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cal.add(Calendar.DATE, -1);
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days.add(cal.getTime());
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}
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break;
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case DateUtil.LAST_WEEK :
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// 지난주 날짜 리스트 가져오기
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while(cal.get(Calendar.DAY_OF_WEEK) != Calendar.SUNDAY) {
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cal.add(Calendar.DATE, -1);
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}
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cal.add(Calendar.DATE, -1);
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days.add(cal.getTime());
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while(cal.get(Calendar.DAY_OF_WEEK) != Calendar.SUNDAY) {
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cal.add(Calendar.DATE, -1);
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days.add(cal.getTime());
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}
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break;
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case DateUtil.THIS_MONTH :
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// 이번달 날짜 리스트 가져오기
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days.add(cal.getTime());
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while(!"01".equals(new SimpleDateFormat("dd").format(cal.getTime()))) {
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cal.add(Calendar.DATE, -1);
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days.add(cal.getTime());
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}
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break;
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case DateUtil.LAST_MONTH :
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// 지난달 날짜 리스트 가져오기기
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while(!"01".equals(new SimpleDateFormat("dd").format(cal.getTime()))) {
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cal.add(Calendar.DATE, -1);
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}
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cal.add(Calendar.DATE, -1);
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days.add(cal.getTime());
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while(!"01".equals(new SimpleDateFormat("dd").format(cal.getTime()))) {
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cal.add(Calendar.DATE, -1);
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days.add(cal.getTime());
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}
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break;
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case DateUtil.LAST_THIRTY_DAYS :
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for (int count = 0; count > -30; count-- ) {
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days.add(DateUtil.addDays(new Date(), count));
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}
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break;
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}
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// 역순 정렬
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Collections.reverse(days);
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return days;
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}
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}
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