/*

  * ConvertMain.java

  *

  * Created on April 5, 2005, 7:03 PM

  */

 package org.wiztools.xml2spreadsheet;

 import org.wiztools.xml2spreadsheet.exception.XML2XLSFatalException;

 import org.wiztools.xml2spreadsheet.poiimpl.POIColor;

 import java.io.FileInputStream;

 import java.io.FileNotFoundException;

 import java.io.FileOutputStream;

 import java.io.IOException;

 import java.io.PrintStream;

 import java.util.Collection;

 /**

  *

  * @author subhash

  */

 public class ConvertMain {

     private static void print(PrintStream ps, String msg){

         ps.println(msg);

     }

     private static String getHelpText(){

         String help = "Give following arguments:\n"

                 + "\t1. XML input filename\n"

                 + "\t2. XLS output filename\n";

         return help;

     }

     /**

      * The main method

      */

     public static void main(String[] arg) {

         if(arg.length == 1){

             if("-h".equals(arg[0]) || "--help".equals(arg[0])){

                 print(System.out, getHelpText());

                 System.exit(0);

             } else if("--colors".equals(arg[0])){

                 print(System.out, "The colors supported: \n");

                 Collection<String> colors = POIColor.getInstance().getSupportedColors();

                 for(String color: colors){

                     print(System.out, color);

                 }

                 System.exit(0);

             } else{

                 print(System.err, getHelpText());

                 System.exit(-1);

             }

         } else if(arg.length != 2){

             print(System.err, getHelpText());

             System.exit(-1);

         }

         try{

             XML2SpreadSheet.convert(new FileInputStream(arg[0]),

                     new FileOutputStream(arg[1]));

         } catch(FileNotFoundException fnfe){

             print(System.err, "FileNotFoundException occurred!");

             fnfe.printStackTrace(System.err);

         } catch(IOException ioe){

             print(System.err, "IOException occurred!");

             ioe.printStackTrace(System.err);

         } catch(XML2XLSFatalException e){

             print(System.err, "Error occurred: "+e.getMessage());

             e.printStackTrace(System.err);

         }

     }

 }