GeneralUtil

package it.mpeg0.util;

import java.io.Serializable;
import java.math.BigDecimal;
import java.math.RoundingMode;
import java.text.DateFormat;
import java.text.DecimalFormat;
import java.text.DecimalFormatSymbols;
import java.text.NumberFormat;
import java.text.ParseException;
import java.text.SimpleDateFormat;
import java.util.Calendar;
import java.util.GregorianCalendar;
import java.util.Locale;

public abstract class GeneralUtil implements Serializable {

    private static final long serialVersionUID = -8198800305000484277L;
    public static String APPLINFO_FUN_IDNT = PropertyReader.getProperty("applinfo_fun_idnt");

    public static final String INPUT_DATE_FORMAT = "dd/MM/yyyy";
    public static final String INPUT_H24_DATE_FORMAT = "dd/MM/yyyy hh:mm:ss";
    public static final String DB_INPUT_DATE_FORMAT = "dd/mm/yyyy";
    public static final String DB_INPUT_H24_DATE_FORMAT = "dd/mm/yyyy hh24:mi:ss";
    public static final String DB_INPUT_H24_LAST_HOUR = " 23:59:59";

    public static java.util.Date convertSqlDateToUtilDate(java.sql.Date dtFrom){
        java.util.Date ret = null;
        if(dtFrom!=null)
             ret = new java.util.Date(dtFrom.getTime());
        return ret;
    }

    public static java.util.Date resetTimePartInDate(java.util.Date dateTime) {
         if (dateTime == null)
             return null;

         GregorianCalendar cal = new GregorianCalendar();
         cal.setTime(dateTime);
         cal.set(Calendar.HOUR_OF_DAY, 0);
         cal.set(Calendar.MINUTE, 0);
         cal.set(Calendar.SECOND, 0);
         cal.set(Calendar.MILLISECOND, 0);
         return  cal.getTime();
    }

    public static java.sql.Date convertUtilDateToSqlDate(java.util.Date dtFrom){
        java.sql.Date ret = null;
        if(dtFrom!=null)
             ret = new java.sql.Date(dtFrom.getTime());
        return ret;
    }


    public static java.sql.Timestamp convertUtilDateToSqlTS(java.util.Date dtFrom){
        java.sql.Timestamp ret = null;
        if(dtFrom!=null)
             ret = new java.sql.Timestamp(dtFrom.getTime());
        return ret;
    }

    public static java.sql.Date convertUtilDToSqlD(java.util.Date dtFrom){
        java.sql.Date ret = null;
        if(dtFrom!=null)
             ret = new java.sql.Date(dtFrom.getTime());
        return ret;
    }

    public static java.util.Date convertSqlTSToUtilDate(java.sql.Timestamp ts){
        java.util.Date ret = null;
        if(ts!=null)
            ret = new java.util.Date(ts.getTime());
        return ret;
    }

    public static java.util.Date getUtilDateFromStr(String dt, String format) throws ParseException{
        java.util.Date ret = null;
        if(dt!=null){
            DateFormat df = new SimpleDateFormat(format);
            ret = df.parse(dt);
        }
        return ret;
    }

    public static String convertSqlTSToStr(java.sql.Timestamp dt, String format) throws ParseException{
        String ret = "";
        if(dt!=null){
            DateFormat df = new SimpleDateFormat(format);
            ret = df.format(dt);
        }
        return ret;
    }

    public static String convertUtilDateToStr(java.util.Date dt, String format){
        String ret = "";
        if(dt!=null){
            DateFormat df = new SimpleDateFormat(format);
            ret = df.format(dt);
        }
        return ret;
    }

    public static java.util.Date convertStrToUtilDate(String dt, String format) throws ParseException{
        java.util.Date ret = null;
        if(dt!=null){
            DateFormat df = new SimpleDateFormat(format);
            ret = df.parse(dt);
        }
        return ret;
    }



    public static String formatNumber(String v, int nDec, boolean group){
        String ret = "";
        if(v!=null && v.length()>0){
            BigDecimal c = new BigDecimal(v);
            ret = GeneralUtil.formatNumber(c, nDec, group);
        }
        return ret;
    }



    public static String formatNumber(BigDecimal v, int nDec, boolean group){

        DecimalFormatSymbols symbols = new DecimalFormatSymbols(Locale.ITALY);
        return formatNumber(v, nDec, group, symbols);
    }

    public static String formatNumber(BigDecimal v, int nDec, boolean group,
            DecimalFormatSymbols symbols) {
        DecimalFormat df = new DecimalFormat();

        df.setDecimalFormatSymbols(symbols);

        df.setMaximumFractionDigits(nDec);
        df.setMinimumFractionDigits(nDec);

        df.setDecimalSeparatorAlwaysShown(nDec>0);
        df.setGroupingUsed(group);
        df.setRoundingMode(RoundingMode.HALF_DOWN);

        return df.format(v);
    }

    public static BigDecimal convertStringToBigDecimal(String v){
        if(v==null)
            v = "";
        v = v.replaceAll(",", ".");

        BigDecimal ret = null;
        if (!"".equals(v))
            ret = new BigDecimal(v);
        return ret;
    }

    public static BigDecimal convertEuroToLireAndRound(BigDecimal euros) {
        return euros.multiply(new BigDecimal(1936.27)).setScale(0,RoundingMode.HALF_UP);
    }

}