package com.pmstation.spss;

import java.io.*;

public class Demo {
  // Entrance point
  public static void main(String args[]) {
    try {
      // Parse the command line
        if (args.length != 1) {
            printUsageAndExit();
        }
      // Open file output stream with filename args[0]
      OutputStream out = new FileOutputStream(args[0]);

      // Assign SPSS output to the file
      SPSSWriter outSPSS = new SPSSWriter(out, "windows-1252");

      // Creating SPSS variable description table
      outSPSS.addDictionarySection();

      // Describing varible names and types
      outSPSS.addStringVar("cont", 32, "continents of the world");
      outSPSS.addNumericVar("size", 8, 2, "sq km");
      outSPSS.addNumericVar("pop", 8, 2, "population");
      outSPSS.addNumericVar("count",8 ,2, "number of countries");

      // Creating SPSS varible value define table
      outSPSS.addDataSection();

      outSPSS.addData("Asia");
      outSPSS.addData(new Long(44579000L));
      outSPSS.addData(new Long(3674000000L));
      outSPSS.addData(new Long(44));

      outSPSS.addData("Africa");
      outSPSS.addData(new Long(30065000L));
      outSPSS.addData(new Long(778000000L));
      outSPSS.addData(new Long(53));

      outSPSS.addData("North America");
      outSPSS.addData(new Long(24256000L));
      outSPSS.addData(new Long(483000000L));
      outSPSS.addData(new Long(23));

      outSPSS.addData("South America");
      outSPSS.addData(new Long(17819000L));
      outSPSS.addData(new Long(342000000L));
      outSPSS.addData(new Long(12));

      outSPSS.addData("Antarctica");
      outSPSS.addData(new Long(13209000L));
      outSPSS.addData(new Long(0));
      outSPSS.addData(new Long(0));

      outSPSS.addData("Europe");
      outSPSS.addData(new Long(9938000L));
      outSPSS.addData(new Long(732000000L));
      outSPSS.addData(new Long(46));

      outSPSS.addData("Australia/Oceania");
      outSPSS.addData(new Long(7687000L));
      outSPSS.addData(new Long(31000000L));
      outSPSS.addData(new Long(14));

      // Creating SPSS ending section
      outSPSS.addFinishSection();

      // Closing output stream
      out.close();
    }
    catch (FileNotFoundException exOb) {
      System.out.println("FileNotFoundException (Demo.main): " +
                         exOb.getMessage());
      exOb.printStackTrace(System.out);
      return;
    }
    catch (IOException exOb) {
      System.out.println("IOException (Demo.main): " + exOb.getMessage());
      exOb.printStackTrace(System.out);
      return;
    }
  }

    private static void printUsageAndExit() {
        System.err.println("Usage:");
        System.err.println("java " +
                Demo.class.getName() +
                " fileSPSS");
        System.exit(1);
    }
}