Convert XLS to CSV to String

package com;

import java.io.File;
import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.FileWriter;
import java.io.IOException;
import java.util.Iterator;
import java.util.Scanner;

import org.apache.poi.hssf.usermodel.HSSFSheet;
import org.apache.poi.hssf.usermodel.HSSFWorkbook;
import org.apache.poi.ss.usermodel.Cell;
import org.apache.poi.ss.usermodel.Row;

import au.com.bytecode.opencsv.CSVWriter;

public class Xls2Csv2TxtConvertOne {

 public static void getXls2Csv(final String fileInput,
   final String fileOutput) {
  FileInputStream input_document = null;
  try {
   input_document = new FileInputStream(new File(fileInput));
  } catch (FileNotFoundException e) {
   e.printStackTrace();
  }
  HSSFWorkbook my_xls_workbook = null;
  try {
   my_xls_workbook = new HSSFWorkbook(input_document);
  } catch (IOException e) {
   e.printStackTrace();
  }
  HSSFSheet my_worksheet = my_xls_workbook.getSheetAt(0);
  Iterator<Row> rowIterator = my_worksheet.iterator();
  FileWriter my_csv = null;
  try {
   my_csv = new FileWriter(fileOutput);
  } catch (IOException e) {
   e.printStackTrace();
  }
  CSVWriter my_csv_output = new CSVWriter(my_csv);
  while (rowIterator.hasNext()) {
   Row row = rowIterator.next();
   int i = 0;
   String[] csvdata = new String[6];
   Iterator<Cell> cellIterator = row.cellIterator();
   while (cellIterator.hasNext()) {
    Cell cell = cellIterator.next();
    switch (cell.getCellType()) {
    case Cell.CELL_TYPE_STRING:
     csvdata[i] = cell.getStringCellValue();
     break;
    case Cell.CELL_TYPE_NUMERIC:
     csvdata[i] = String.valueOf((int) cell
       .getNumericCellValue());
     break;
    case Cell.CELL_TYPE_BLANK:
     csvdata[i] = "";
     break;
    }
    i = i + 1;
   }
   my_csv_output.writeNext(csvdata);
  }
  try {
   input_document.close();
   my_csv_output.close();
  } catch (IOException e) {
   e.printStackTrace();
  }
 }

 public static void getCsv2Txt(final String csvFileName) {
  Scanner scanner = null;
  try {
   scanner = new Scanner(new File(csvFileName));
  } catch (FileNotFoundException e) {
   e.printStackTrace();
  }
  scanner.useDelimiter(",");
  while (scanner.hasNext()) {
   System.out.print(scanner.next() + "|");
  }
  scanner.close();
 }

 /**
  * @param args
  */
 public static void main(String[] args) {

  String fileInput = "D:\\DEV\\Notes\\GeoIPCountryWhois30.xls";
  String fileOutput = "D:\\DEV\\Notes\\GeoIPCountryWhois30.csv";
  
  Xls2Csv2TxtConvertOne.getXls2Csv(fileInput,fileOutput);
  Xls2Csv2TxtConvertOne.getCsv2Txt(fileOutput);
 }

} 

output:

-------

"1.0.0.0"|"1.0.0.255"|"16777216"|"16777471"|"AU"|"Australia"
"1.0.1.0"|"1.0.3.255"|"16777472"|"16778239"|"CN"|"China"
"1.0.4.0"|"1.0.7.255"|"16778240"|"16779263"|"AU"|"Australia"
"1.0.8.0"|"1.0.15.255"|"16779264"|"16781311"|"CN"|"China"
"1.0.16.0"|"1.0.31.255"|"16781312"|"16785407"|"JP"|"Japan"
"1.0.32.0"|"1.0.63.255"|"16785408"|"16793599"|"CN"|"China"
"1.0.64.0"|"1.0.127.255"|"16793600"|"16809983"|"JP"|"Japan"
"1.0.128.0"|"1.0.255.255"|"16809984"|"16842751"|"TH"|"Thailand"
"1.1.0.0"|"1.1.0.255"|"16842752"|"16843007"|"CN"|"China"
"1.1.1.0"|"1.1.1.255"|"16843008"|"16843263"|"AU"|"Australia"
"1.1.2.0"|"1.1.63.255"|"16843264"|"16859135"|"CN"|"China"
"1.1.64.0"|"1.1.127.255"|"16859136"|"16875519"|"JP"|"Japan"
"1.1.128.0"|"1.1.255.255"|"16875520"|"16908287"|"TH"|"Thailand"
"1.2.0.0"|"1.2.2.255"|"16908288"|"16909055"|"CN"|"China"
"1.2.3.0"|"1.2.3.255"|"16909056"|"16909311"|"AU"|"Australia"
"1.2.4.0"|"1.2.127.255"|"16909312"|"16941055"|"CN"|"China"
"1.2.128.0"|"1.2.255.255"|"16941056"|"16973823"|"TH"|"Thailand"
"1.3.0.0"|"1.3.255.255"|"16973824"|"17039359"|"CN"|"China"
"1.4.0.0"|"1.4.0.255"|"17039360"|"17039615"|"AU"|"Australia"
"1.4.1.0"|"1.4.127.255"|"17039616"|"17072127"|"CN"|"China"
"1.4.128.0"|"1.4.255.255"|"17072128"|"17104895"|"TH"|"Thailand"
"1.5.0.0"|"1.5.255.255"|"17104896"|"17170431"|"JP"|"Japan"
"1.6.0.0"|"1.7.255.255"|"17170432"|"17301503"|"IN"|"India"
"1.8.0.0"|"1.8.255.255"|"17301504"|"17367039"|"CN"|"China"
"1.9.0.0"|"1.9.255.255"|"17367040"|"17432575"|"MY"|"Malaysia"
"1.10.0.0"|"1.10.9.255"|"17432576"|"17435135"|"CN"|"China"
"1.10.10.0"|"1.10.10.255"|"17435136"|"17435391"|"AU"|"Australia"
"1.10.11.0"|"1.10.127.255"|"17435392"|"17465343"|"CN"|"China"
"1.10.128.0"|"1.10.255.255"|"17465344"|"17498111"|"TH"|"Thailand"
"1.11.0.0"|"1.11.255.255"|"17498112"|"17563647"|"KR"|"Korea| Republic of"