Talend Java Dates

gistfile1.java

import java.text.ParseException;
import java.text.SimpleDateFormat;
import java.util.Calendar;
import java.util.Date;
public class AC Talend Functions {
/**
* JavaDateToJdeDate: translate from a Java Date to the JDEdwards Julian date format.
* 
* {talendTypes} int | Integer
* {Category} User Defined
* {param} Date("1/10/2008") input: The Java Date to be converted.  
* {example} JavaDateToJdeDate(1/10/2008) # 108010.
*/
public static int JavaDateToJdeDate(Date d) throws Exception {
	SimpleDateFormat sdf = new SimpleDateFormat("yyyyDDD");
	String tmp = sdf.format(d);
	return (Integer.parseInt(tmp)) - 1900000;
}
/**
* JdeDateToJavaDate: translate from the JDEdwards Julian date format to a Java Date.
* 
* {talendTypes} Date
* {Category} User Defined
* {param} int(108010) input: The JDE Julian date to be converted.
* {example} JdeDateToJavaDate(108010) # 1/10/2008.
*/
public static Date JdeDateToJavaDate(int jDate) throws Exception {
	SimpleDateFormat sdf = new SimpleDateFormat("yyyyDDD");
	String tmp = String.valueOf(jDate + 1900000); // Creating a 4-digit year representation of the JDE Date
	return sdf.parse(tmp);
}
/**
* JulianFirstDayLastMonth: return int representing first day of last month in jde julian format
* {talendTypes} Date
* {Category} User Defined
*/
    public static Integer JulianFirstDayLastMonth() {
        Calendar aCalendar = Calendar.getInstance();
        aCalendar.add(Calendar.MONTH, -1);
        aCalendar.set(Calendar.DATE, 1);
        StringBuilder sb = new StringBuilder();
        Calendar cal  = Calendar.getInstance();
        cal.setTime(aCalendar.getTime());
        return  Integer.parseInt(sb.append("1")
                .append(Integer.toString(cal.get(Calendar.YEAR)).substring(2, 4))
                .append(String.format("%03d", cal.get(Calendar.DAY_OF_YEAR)))
                .toString());
    }
/**
* JulianLastDayPreviousMonth: return int representing first day of last month in jde julian format
* {talendTypes} Date
* {Category} User Defined
*/
    public static Integer JulianLastDayPreviousMonth() {
        Calendar aCalendar = Calendar.getInstance();
        aCalendar.add(Calendar.MONTH, -1);
        aCalendar.set(Calendar.DATE,     aCalendar.getActualMaximum(Calendar.DAY_OF_MONTH));
        StringBuilder sb = new StringBuilder();
        Calendar cal  = Calendar.getInstance();
        cal.setTime(aCalendar.getTime());
        return  Integer.parseInt(sb.append("1")
                .append(Integer.toString(cal.get(Calendar.YEAR)).substring(2, 4))
                .append(String.format("%03d", cal.get(Calendar.DAY_OF_YEAR)))
                .toString());
    }
/**
* DateLastDayPreviousMonth: return int representing first day of last month in jde julian format
* {talendTypes} Date
* {Category} User Defined
*/
    public static String DateLastDayPreviousMonth() {
        Calendar aCalendar = Calendar.getInstance();
        aCalendar.add(Calendar.MONTH, -1);
        aCalendar.set(Calendar.DATE,     aCalendar.getActualMaximum(Calendar.DAY_OF_MONTH));
        Calendar cal  = Calendar.getInstance();
        cal.setTime(aCalendar.getTime());
        return (new SimpleDateFormat("MM/dd/yyyy").format(cal.getTime()));
    }
/**
* DateFirstDayLastMonth: return int representing first day of last month in jde julian format
* {talendTypes} Date
* {Category} User Defined
*/
    public static String DateFirstDayLastMonth() {
        Calendar aCalendar = Calendar.getInstance();
        aCalendar.add(Calendar.MONTH, -1);
        aCalendar.set(Calendar.DATE, 1);
        Calendar cal  = Calendar.getInstance();
        cal.setTime(aCalendar.getTime());
        return (new SimpleDateFormat("MM/dd/yyyy").format(cal.getTime()));
    }
}