convert wtPart

src/com/yonde/common/DateTimeUtil.java

+package com.yonde.common;
+
+import java.sql.Timestamp;
+import java.text.DateFormat;
+import java.text.SimpleDateFormat;
+import java.util.Calendar;
+import java.util.Date;
+
+public class DateTimeUtil {
+
+    public static final String FORMAT = "yyyy-MM-dd hh:mm:ss";
+
+    public static Date now() {
+        return new Date();
+    }
+
+    public static String toString(Date date, String pattern) {
+        return new SimpleDateFormat(pattern).format(date);
+    }
+
+    public static Date toDate(String date, String pattern) throws Exception {
+        return new SimpleDateFormat(pattern).parse(date);
+    }
+
+    public static Date addMonths(Date date, int count) {
+        Calendar calendar = Calendar.getInstance();
+        calendar.setTime(date);
+        calendar.add(Calendar.MONTH, count);
+        return calendar.getTime();
+    }
+
+    public static Date addDays(Date date, int days) {
+        Calendar calendar = Calendar.getInstance();
+        calendar.setTime(date);
+        calendar.add(Calendar.DATE, days);
+        return calendar.getTime();
+    }
+
+    public static Date addHours(Date date, int count) {
+        Calendar calendar = Calendar.getInstance();
+        calendar.setTime(date);
+        calendar.add(Calendar.HOUR, count);
+        return calendar.getTime();
+    }
+
+    public static Date addMinutes(Date date, int count) {
+        Calendar calendar = Calendar.getInstance();
+        calendar.setTime(date);
+        calendar.add(Calendar.MINUTE, count);
+        return calendar.getTime();
+    }
+
+    public static int getDayOfWeek(Date date) {
+        Calendar calendar = Calendar.getInstance();
+        calendar.setTime(date);
+
+        int day = calendar.get(Calendar.DAY_OF_WEEK);
+        return day != 1 ? day - 1 : 7;
+    }
+
+    public static int getMonthTotalDays(Date date) {
+        Calendar calendar = Calendar.getInstance();
+        calendar.setTime(date);
+        return calendar.getActualMaximum(Calendar.DAY_OF_MONTH);
+    }
+
+    public static int getDayOfMonth(Date date) {
+        Calendar calendar = Calendar.getInstance();
+        calendar.setTime(date);
+        return calendar.get(Calendar.DAY_OF_MONTH);
+    }
+
+    public static String timeStampToString(Timestamp timestamp) {
+        DateFormat sdf = new SimpleDateFormat(FORMAT);
+        String date = "";
+        try {
+            date = sdf.format(timestamp);
+        } catch (Exception e) {
+            e.printStackTrace();
+        }
+        return date;
+    }
+}