ExcelWriter.java

package smartkv.client.workloads.ReportGenerator.Formats;


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

import jxl.CellView;
import jxl.Workbook;
import jxl.WorkbookSettings;
import jxl.format.UnderlineStyle;
import jxl.write.Formula;
import jxl.write.Label;
import jxl.write.Number;
import jxl.write.WritableCellFormat;
import jxl.write.WritableFont;
import jxl.write.WritableSheet;
import jxl.write.WritableWorkbook;
import jxl.write.WriteException;
import jxl.write.biff.RowsExceededException;


public class ExcelWriter {

  private WritableCellFormat timesBoldUnderline;
  private WritableCellFormat times;
  private String inputFile;
  private WritableSheet sheet; 
  private WritableWorkbook workbook; 
  public ExcelWriter(String path) throws WriteException, IOException{
	  this.setOutputFile(path); 
	  this.write(); 
  }

  
  public void dumpFile() throws IOException, WriteException{
	  workbook.write();
	  workbook.close();
	  
  }
  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"));

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

    }


  public 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 unterlines
    WritableFont times10ptBoldUnderline = new WritableFont(WritableFont.TIMES, 10, WritableFont.BOLD, false);
    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);

  }

  /*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");
    }
  }*/

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

  public void addNumber(int column, int row,
	      double integer) throws WriteException, RowsExceededException {
	    Number number;
	    number = new Number(column, row, integer, times);
	    sheet.addCell(number);
	  }
  public void addNumber(int column, int row,
	      int integer) throws WriteException, RowsExceededException {
	    Number number;
	    number = new Number(column, row, integer, times);
	    sheet.addCell(number);
	  }
  public void addNumber(int column, int row,
	      long integer) throws WriteException, RowsExceededException {
	    Number number;
	    number = new Number(column, row, integer, times);
	    sheet.addCell(number);
	  }

  public void addLabel( 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 {
    Writer test = new Writer();
    test.setOutputFile("./out.xls");
    test.write();
    System.out
        .println("Please check the result file under c:/temp/lars.xls ");
  }*/
}