CreateSimpleXlsFile.java

package org.molgenis.biobank.test;

import java.io.File;

import jxl.Workbook;
import jxl.WorkbookSettings;
import jxl.write.WritableCellFormat;
import jxl.write.WritableSheet;
import jxl.write.WritableWorkbook;

import java.io.IOException;
import java.util.Locale;

import jxl.CellView;
import jxl.format.UnderlineStyle;
import jxl.write.Formula;
import jxl.write.Label;
import jxl.write.Number;
import jxl.write.WritableFont;

import jxl.write.WriteException;
import jxl.write.biff.RowsExceededException;

public class CreateSimpleXlsFile
{

	private String inputFile = System.getProperty("java.io.tmpdir");

	private WritableCellFormat timesBoldUnderline;
	private WritableCellFormat times;

	public void setOutputFile(String inputFile)
	{
		this.inputFile = inputFile;
	}

	public void write() throws IOException, WriteException
	{
		File file = new File(inputFile);
		WorkbookSettings wbSettings = new WorkbookSettings();

		wbSettings.setLocale(new Locale("en", "EN"));

		WritableWorkbook workbook = Workbook.createWorkbook(file, wbSettings);
		workbook.createSheet("Report", 0);
		WritableSheet excelSheet = workbook.getSheet(0);
		createLabel(excelSheet);
		createContent(excelSheet);

		workbook.write();
		workbook.close();
	}

	private void createLabel(WritableSheet sheet) throws WriteException
	{
		// Lets create a times font
		WritableFont times10pt = new WritableFont(WritableFont.TIMES, 10);
		// Define the cell format
		times = new WritableCellFormat(times10pt);
		// Lets automatically wrap the cells
		times.setWrap(true);

		// Create create a bold font with underlines
		WritableFont times10ptBoldUnderline = new WritableFont(WritableFont.TIMES, 10, WritableFont.BOLD, false,
				UnderlineStyle.SINGLE);
		timesBoldUnderline = new WritableCellFormat(times10ptBoldUnderline);
		// Lets automatically wrap the cells
		timesBoldUnderline.setWrap(true);

		CellView cv = new CellView();
		cv.setFormat(times);
		cv.setFormat(timesBoldUnderline);
		cv.setAutosize(true);

		// Write a few headers
		addCaption(sheet, 0, 0, "Header 1");
		addCaption(sheet, 1, 0, "This is another header");

	}

	private void createContent(WritableSheet sheet) throws WriteException, RowsExceededException
	{
		// Write a few number
		for (int i = 1; i < 10; i++)
		{
			// First column
			addNumber(sheet, 0, i, i + 10);
			// Second column
			addNumber(sheet, 1, i, i * i);
		}
		// Lets calculate the sum of it
		StringBuffer buf = new StringBuffer();
		buf.append("SUM(A2:A10)");
		Formula f = new Formula(0, 10, buf.toString());
		sheet.addCell(f);
		buf = new StringBuffer();
		buf.append("SUM(B2:B10)");
		f = new Formula(1, 10, buf.toString());
		sheet.addCell(f);

		// Now a bit of text
		for (int i = 12; i < 20; i++)
		{
			// First column
			addLabel(sheet, 0, i, "Boring text " + i);
			// Second column
			addLabel(sheet, 1, i, "Another text");
		}
	}

	private void addCaption(WritableSheet sheet, int column, int row, String s) throws RowsExceededException,
			WriteException
	{
		Label label;
		label = new Label(column, row, s, timesBoldUnderline);
		sheet.addCell(label);
	}

	private void addNumber(WritableSheet sheet, int column, int row, Integer integer) throws WriteException,
			RowsExceededException
	{
		Number number;
		number = new Number(column, row, integer, times);
		sheet.addCell(number);
	}

	private void addLabel(WritableSheet sheet, int column, int row, String s) throws WriteException,
			RowsExceededException
	{
		Label label;
		label = new Label(column, row, s, times);
		sheet.addCell(label);
	}

	public static void main(String[] args) throws WriteException, IOException
	{
		CreateSimpleXlsFile test = new CreateSimpleXlsFile();
		String inputFile = System.getProperty("java.io.tmpdir");

		test.setOutputFile(inputFile + "desp.xls");
		test.write();
		System.out.println("Please check the result file .xls " + inputFile + "desp.xls");
	}

}