/*

  * XML2SpreadSheet.java

  *

  * Created on December 2, 2006, 5:08 PM

  *

  * To change this template, choose Tools | Template Manager

  * and open the template in the editor.

  */

 package org.wiztools.xml2spreadsheet;

 import java.io.File;

 import java.io.FileInputStream;

 import java.io.FileNotFoundException;

 import java.io.FileOutputStream;

 import java.io.IOException;

 import java.io.InputStream;

 import java.io.OutputStream;

 import org.wiztools.xml2spreadsheet.exception.XML2XLSFatalException;

 /**

  *

  * @author subhash

  */

 public final class XML2SpreadSheet {

     /** Creates a new instance of XML2SpreadSheet */

     private XML2SpreadSheet() {

     }

     /**

      * Accepts XML in the inputstream and outputs .xls in the output stream.

      *

      */

     public static void convert(InputStream in, OutputStream out) 

             throws FileNotFoundException,

             IOException,

             XML2XLSFatalException{

         WorkBookCreator wbc = WorkBookCreatorFactory.getWorkBookCreator();

         XML2XLSGenerator gen = new XML2XLSGenerator();

         // Following line is capable of throwing Exception:

         gen.parse((WorkBookGenerationHandler)wbc, in);

         WorkBook workBook = wbc.getWorkBook();

         workBook.write(out);

     }

     /**

      * Accepts input XML File as first parameter and outputs .xls as second File.

      * If file exists, will overwrite.

      */

     public static void convert(File in, File out) 

             throws FileNotFoundException,

             IOException,

             XML2XLSFatalException{

         FileInputStream is_in = new FileInputStream(in);

         FileOutputStream is_out = new FileOutputStream(out);

         convert(is_in, is_out);

     }

 }