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- /*
- * POIExcelReader.java
- *
- * Created on 7 October, 2007, 9:05 PM
- */
- package com.ms.util;
- //~--- non-JDK imports --------------------------------------------------------
- import org.apache.poi.hssf.usermodel.HSSFCell;
- import org.apache.poi.hssf.usermodel.HSSFRichTextString;
- import org.apache.poi.hssf.usermodel.HSSFRow;
- import org.apache.poi.hssf.usermodel.HSSFSheet;
- import org.apache.poi.hssf.usermodel.HSSFWorkbook;
- import org.apache.poi.poifs.filesystem.POIFSFileSystem;
- //~--- JDK imports ------------------------------------------------------------
- import java.io.FileInputStream;
- import java.io.FileNotFoundException;
- import java.io.IOException;
- import java.io.InputStream;
- import java.util.Iterator;
- /**
- * This java program is used to read the data from a Excel file and display them
- * on the console output.
- *
- * @author dhanago
- */
- public class POIExcelReader
- {
- /** Creates a new instance of POIExcelReader */
- public POIExcelReader ()
- {}
- /**
- * This method is used to display the Excel content to command line.
- *
- * @param xlsPath
- */
- @SuppressWarnings ("unchecked")
- public void displayFromExcel (String xlsPath)
- {
- InputStream inputStream = null;
- try
- {
- inputStream = new FileInputStream (xlsPath);
- }
- catch (FileNotFoundException e)
- {
- System.out.println ("File not found in the specified path.");
- e.printStackTrace ();
- }
- POIFSFileSystem fileSystem = null;
- try
- {
- fileSystem = new POIFSFileSystem (inputStream);
- HSSFWorkbook workBook = new HSSFWorkbook (fileSystem);
- HSSFSheet sheet = workBook.getSheetAt (0);
- Iterator<HSSFRow> rows = sheet.rowIterator ();
- while (rows.hasNext ())
- {
- HSSFRow row = rows.next ();
- // display row number in the console.
- System.out.println ("Row No.: " + row.getRowNum ());
- // once get a row its time to iterate through cells.
- Iterator<HSSFCell> cells = row.cellIterator ();
- while (cells.hasNext ())
- {
- HSSFCell cell = cells.next ();
- System.out.println ("Cell No.: " + cell.getCellNum ());
- /*
- * Now we will get the cell type and display the values
- * accordingly.
- */
- switch (cell.getCellType ())
- {
- case HSSFCell.CELL_TYPE_NUMERIC :
- {
- // cell type numeric.
- System.out.println ("Numeric value: " + cell.getNumericCellValue ());
- break;
- }
- case HSSFCell.CELL_TYPE_STRING :
- {
- // cell type string.
- HSSFRichTextString richTextString = cell.getRichStringCellValue ();
- System.out.println ("String value: " + richTextString.getString ());
- break;
- }
- default :
- {
- // types other than String and Numeric.
- System.out.println ("Type not supported.");
- break;
- }
- }
- }
- }
- }
- catch (IOException e)
- {
- e.printStackTrace ();
- }
- }
- /**
- * The main executable method to test displayFromExcel method.
- *
- * @param args
- */
- public static void main (String[] args)
- {
- POIExcelReader poiExample = new POIExcelReader ();
- String xlsPath = "c://test//test.xls";
- poiExample.displayFromExcel (xlsPath);
- }
- }
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