BE THE CODER > Excel > Java Excel API Examples > How to enable Spreadsheet Password Protection

Java Excel API is an open source java library to read, write and modify Excel spread sheets. This requires the library jxl-2.6.12.jar to be in classpath. The following example shows how to enable Excel Spread sheet password protection.

File Name :	com/bethecoder/tutorials/jexcelapi/write/SheetPasswordProtectionTest.java
Author :	Sudhakar KV
Email :	[email protected]


package com.bethecoder.tutorials.jexcelapi.write;



import java.io.File;

import java.io.IOException;



import jxl.Workbook;

import jxl.read.biff.BiffException;

import jxl.write.Label;

import jxl.write.WritableCellFeatures;

import jxl.write.WritableSheet;

import jxl.write.WritableWorkbook;

import jxl.write.WriteException;



public class SheetPasswordProtectionTest {



  /**

   * @param args

   * @throws IOException 

   * @throws IOException 

   * @throws WriteException 

   * @throws BiffException 

   */

  public static void main(String[] args) throws IOException, WriteException {

    //Creates a writable workbook with the given file name

    WritableWorkbook workbook = Workbook.createWorkbook(new File("C:/JXL/ProtectedSheet2.xls"));

    

    //Create sheet and add a label

    WritableSheet sheet = workbook.createSheet("My Sheet", 0);

    

    WritableCellFeatures cellFeatures = new WritableCellFeatures();

    Label label = new Label(1, 2, "ABCD");

    label.setCellFeatures(cellFeatures);

    sheet.addCell(label);

    

    //Protect the sheet

    sheet.getSettings().setProtected(true);

    sheet.getSettings().setPassword("mypassword");

    

    //Writes out the data held in this workbook in Excel format

    workbook.write(); 

    

    //Close and free allocated memory 

    workbook.close(); 

  }



}