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Tomosa Sarkar
2025-07-28 13:56:49 +05:30
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hrmsEjb/wenrgise/common/utility/DateUtility.java Normal file
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package wenrgise.common.utility;
import java.sql.Date;
import java.util.Calendar;
import java.util.StringTokenizer;
public class DateUtility {
public final int DATE = 1;
public final int MONTH = 2;
public final int YEAR = 3;
public String getSysDate() {
Calendar cal = Calendar.getInstance();
String sysDate = String.valueOf(String.valueOf(String.valueOf(String.valueOf(lPad(String.valueOf(cal.get(5)), 2)).concat(String.valueOf("/"))).concat(String.valueOf(lPad(String.valueOf(cal.get(2) + 1), 2)))).concat(String.valueOf("/"))).concat(String.valueOf(lPad(String.valueOf(cal.get(1)), 4)));
cal = null;
return sysDate;
}
public int dateDiff(String fromDate, String toDate) {
Calendar cal = Calendar.getInstance();
cal.set(Integer.parseInt(get(fromDate, 3)), Integer.parseInt(get(fromDate, 2)) - 1, Integer.parseInt(get(fromDate, 1)));
long fromDateInMilliSec = cal.getTime().getTime();
cal.set(Integer.parseInt(get(toDate, 3)), Integer.parseInt(get(toDate, 2)) - 1, Integer.parseInt(get(toDate, 1)));
long toDateInMilliSec = cal.getTime().getTime();
cal = null;
if (fromDateInMilliSec == toDateInMilliSec)
return 1;
int noOfDays = Math.abs((int)((toDateInMilliSec - fromDateInMilliSec) / 86400000L));
return noOfDays;
}
public int dateDiff1(String fromDate, String toDate) {
Calendar cal = Calendar.getInstance();
cal.set(Integer.parseInt(get(fromDate, 3)), Integer.parseInt(get(fromDate, 2)) - 1, Integer.parseInt(get(fromDate, 1)));
long fromDateInMilliSec = cal.getTime().getTime();
cal.set(Integer.parseInt(get(toDate, 3)), Integer.parseInt(get(toDate, 2)) - 1, Integer.parseInt(get(toDate, 1)));
long toDateInMilliSec = cal.getTime().getTime();
cal = null;
int noOfDays = Math.abs((int)((toDateInMilliSec - fromDateInMilliSec) / 86400000L));
return noOfDays;
}
public long dateDiffLong(String fromDate, String toDate) {
Calendar cal = Calendar.getInstance();
cal.set(Integer.parseInt(get(fromDate, 3)), Integer.parseInt(get(fromDate, 2)) - 1, Integer.parseInt(get(fromDate, 1)));
long fromDateInMilliSec = cal.getTime().getTime();
cal.set(Integer.parseInt(get(toDate, 3)), Integer.parseInt(get(toDate, 2)) - 1, Integer.parseInt(get(toDate, 1)));
long toDateInMilliSec = cal.getTime().getTime();
cal = null;
long noOfDaysInSec = (toDateInMilliSec - fromDateInMilliSec) / 1000L;
return noOfDaysInSec;
}
public int dateGTcurrent(String fromDate, String toDate) {
Calendar cal = Calendar.getInstance();
cal.set(Integer.parseInt(get(fromDate, 3)), Integer.parseInt(get(fromDate, 2)) - 1, Integer.parseInt(get(fromDate, 1)));
long fromDateInMilliSec = cal.getTime().getTime();
cal.set(Integer.parseInt(get(toDate, 3)), Integer.parseInt(get(toDate, 2)) - 1, Integer.parseInt(get(toDate, 1)));
long toDateInMilliSec = cal.getTime().getTime();
cal = null;
int noOfDays = (int)((toDateInMilliSec - fromDateInMilliSec) / 86400000L);
return noOfDays;
}
public String get(String inDate, int Type) {
String[] strArr = new String[4];
String retVal = "";
strArr = getDateArray(inDate);
switch (Type) {
case 3:
retVal = lPad(strArr[2], 4);
break;
case 2:
retVal = lPad(strArr[1], 2);
break;
case 1:
retVal = lPad(strArr[0], 2);
break;
}
return retVal;
}
public String reverseFormat(String tDate) {
String[] strArr = new String[4];
strArr = getDateArray(tDate);
return String.valueOf(String.valueOf(String.valueOf(String.valueOf(lPad(strArr[1], 2)).concat(String.valueOf("/"))).concat(String.valueOf(lPad(strArr[0], 2)))).concat(String.valueOf("/"))).concat(String.valueOf(lPad(strArr[2], 4)));
}
private String lPad(String inStr, int len) {
int count = len - inStr.length();
for (int i = 0; i < count; i++)
inStr = String.valueOf("0").concat(String.valueOf(inStr));
return inStr;
}
private String[] getDateArray(String tDate) {
int j = 0;
StringTokenizer strTok = new StringTokenizer(tDate, "/");
String[] strArr = new String[4];
if (strTok.countTokens() <= 0)
strTok = new StringTokenizer(tDate, "-");
while (strTok.hasMoreTokens()) {
strArr[j] = strTok.nextToken();
j++;
}
return strArr;
}
public long getDateLong(String tDate) {
Calendar cal = Calendar.getInstance();
cal.set(Integer.parseInt(get(tDate, 3)), Integer.parseInt(get(tDate, 2)) - 1, Integer.parseInt(get(tDate, 1)));
return cal.getTime().getTime();
}
public long[] months_between(String fromDate, String toDate) {
long[] retArr = new long[2];
retArr[0] = -1L;
retArr[1] = -1L;
long noOfDaysInSecs = dateDiffLong(fromDate, toDate);
double totNoOfDays = (noOfDaysInSecs / 86400L);
retArr[0] = (long)Math.floor(totNoOfDays / 30);
retArr[1] = Math.round(totNoOfDays % 30);
return retArr;
}
public long[] months_between1(String fromDate, String toDate) {
long[] retArr = new long[2];
retArr[0] = -1L;
retArr[1] = -1L;
long noOfDaysInSecs = dateDiffLong(fromDate, toDate);
double totNoOfDays = (noOfDaysInSecs / 86400L);
retArr[0] = (long)Math.floor(totNoOfDays / 30.4D);
retArr[1] = Math.round(totNoOfDays % 30);
return retArr;
}
public static void main(String[] args) {
DateUtility d = new DateUtility();
System.out.println(d.reverseFormat(d.getSysDate()));
System.out.println(d.dateDiff1("29/11/2003", "2/12/2003"));
System.out.println(d.dateDiff1("29/10/2003", "2/11/2003"));
d.getSysDate();
long[] retIntArr = d.months_between("12/12/2003", "28/12/2003");
System.out.println(String.valueOf(String.valueOf(retIntArr[0]).concat(String.valueOf("*****"))).concat(String.valueOf(retIntArr[1])));
Date d1 = new Date(d.getDateLong("29/11/2003"));
Date d2 = new Date(d.getDateLong("2/12/2003"));
System.out.println(d1.compareTo(d2));
}
}