diff options
Diffstat (limited to 'source/com/c2kernel/utils/DateUtility.java')
| -rwxr-xr-x | source/com/c2kernel/utils/DateUtility.java | 118 |
1 files changed, 118 insertions, 0 deletions
diff --git a/source/com/c2kernel/utils/DateUtility.java b/source/com/c2kernel/utils/DateUtility.java new file mode 100755 index 0000000..6e3b569 --- /dev/null +++ b/source/com/c2kernel/utils/DateUtility.java @@ -0,0 +1,118 @@ +package com.c2kernel.utils;
+import com.c2kernel.common.GTimeStamp;
+/**
+ * @version $Revision: 1.8 $ $Date: 2005/05/10 15:14:55 $
+ * @author $Author: abranson $
+ */
+public class DateUtility
+{
+ public static GTimeStamp setToNow(GTimeStamp date)
+ {
+ java.util.Calendar now = java.util.Calendar.getInstance();
+ date.mYear = now.get(java.util.Calendar.YEAR);
+ date.mMonth = now.get(java.util.Calendar.MONTH) + 1;
+ date.mDay = now.get(java.util.Calendar.DAY_OF_MONTH);
+ date.mHour = now.get(java.util.Calendar.HOUR_OF_DAY);
+ date.mMinute = now.get(java.util.Calendar.MINUTE);
+ date.mSecond = now.get(java.util.Calendar.SECOND);
+ date.mTimeOffset = now.get(java.util.Calendar.ZONE_OFFSET);
+ return date;
+ }
+
+ public static String getSQLFormat(GTimeStamp timeStamp)
+ {
+ StringBuffer time = new StringBuffer().append(timeStamp.mYear).append("-");
+ if (timeStamp.mMonth < 10)
+ time.append("0");
+ time.append(timeStamp.mMonth).append("-");
+ if (timeStamp.mDay < 10)
+ time.append("0");
+ time.append(timeStamp.mDay).append(" ");
+ if (timeStamp.mHour < 10)
+ time.append("0");
+ time.append(timeStamp.mHour).append(":");
+ if (timeStamp.mMinute < 10)
+ time.append("0");
+ time.append(timeStamp.mMinute).append(":");
+ if (timeStamp.mSecond < 10)
+ time.append("0");
+ time.append(timeStamp.mSecond);
+ return time.toString();
+ }
+
+ public static int getNbDayInYear(GTimeStamp date)
+ {
+ int centuary = date.mYear / 100;
+ int cdivby4 = centuary / 4;
+ int ydivby4 = date.mYear / 4;
+ if (centuary * 100 - date.mYear == 0)
+ {
+ if (centuary == cdivby4 * 4)
+ return 366;
+ else
+ return 365;
+ }
+ else if (date.mYear == ydivby4 * 4)
+ return 366;
+ else
+ return 365;
+ }
+ public static int getNbDayInMonth(GTimeStamp date)
+ {
+ switch (date.mMonth)
+ {
+ case 2 :
+ if (getNbDayInYear(date) == 365)
+ return 28;
+ else
+ return 29;
+ case 4 :
+ return 30;
+ case 6 :
+ return 30;
+ case 9 :
+ return 30;
+ case 11 :
+ return 30;
+ default :
+ return 31;
+ }
+ }
+
+ public static long diff(GTimeStamp date1, GTimeStamp date2)
+ {
+ GTimeStamp tmp = new GTimeStamp(date1.mYear, date1.mMonth, date1.mDay, date1.mHour, date1.mMinute, date1.mSecond, date1.mTimeOffset);
+ while (tmp.mYear - date2.mYear < 0)
+ {
+ while (tmp.mMonth < 13)
+ {
+ tmp.mDay = tmp.mDay - getNbDayInMonth(tmp);
+ tmp.mMonth++;
+ }
+ tmp.mMonth = 1;
+ tmp.mYear++;
+ }
+ while (tmp.mYear - date2.mYear > 0)
+ {
+ while (tmp.mMonth > 1)
+ {
+ tmp.mMonth--;
+ tmp.mDay = tmp.mDay + getNbDayInMonth(tmp);
+ }
+ tmp.mMonth = 12;
+ tmp.mDay = tmp.mDay + getNbDayInMonth(tmp);
+ tmp.mYear--;
+ }
+ while (tmp.mMonth - date2.mMonth < 0)
+ {
+ tmp.mDay = tmp.mDay - getNbDayInMonth(tmp);
+ tmp.mMonth++;
+ }
+ while (tmp.mMonth - date2.mMonth > 0)
+ {
+ tmp.mMonth--;
+ tmp.mDay = tmp.mDay + getNbDayInMonth(tmp);
+ }
+ return (((tmp.mDay - date2.mDay) * 24 + tmp.mHour - date2.mHour) * 60 + tmp.mMinute - date2.mMinute) * 60 + tmp.mSecond - date2.mSecond;
+ }
+}
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