This example illustrates how to generate a simple XY line chart from a Java Servlet.

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import java.io.*;
import java.util.*;
import javax.servlet.*;
import javax.servlet.http.*;

import com.globfx.swiffchart.SwiffChart;

public class SampleXY extends HttpServlet
{
  public void doGet( HttpServletRequest request,
                     HttpServletResponse response)
    throws IOException, ServletException
    {
    PrintWriter out= response.getWriter();

    try
      {
      String installation_dir= "/usr/local/SwiffChart";

      SwiffChart chart= new SwiffChart();

      // Required: Specify Swiff Chart Generator installation directory
      chart.SetInstallDir(installation_dir);

      // Required: Initialisation of the chart object
      chart.SetServletInfo(request,response);

      String sep= ";";
      boolean ignoremultseparators= true;
      chart.SetSeparators(sep, ignoremultseparators);

      // Fill the first series named "Sales 2001"
      String seriesx1= "0.5" + sep + "2.3" + sep + "8.9" + sep + "15.4";
      String seriesy1= "8" + sep + "15" + sep + "2" + sep + "19";
      chart.AddSeries();
      chart.SetSeriesXValuesFromString(0, seriesx1);
      chart.SetSeriesYValuesFromString(0, seriesy1);
      chart.SetSeriesCaption(0, "Measure 1");

      // Fill the second series named "Sales 2002"
      String seriesx2= "0" + sep + "3" + sep + "5.2" + sep + "10.8";
      String seriesy2= "23" + sep + "8" + sep +  "12" + sep + "14";
      chart.AddSeries();
      chart.SetSeriesXValuesFromString(1, seriesx2);
      chart.SetSeriesYValuesFromString(1, seriesy2);
      chart.SetSeriesCaption(1, "Measure 2");

      // Set the chart title
      chart.SetTitle("Experimental Results");

      // Apply a XY Line style
      // The chart type is stored in the style file (*.scs)
      // Here the selected style is the predefined XY line style "Honolulu"
      String style = "xy/Honolulu";
      chart.LoadStyle( style );
 
      chart.SetWidth( 400 );
      chart.SetHeight( 200 );
      chart.SetLooping( false );

      chart.SetOutputFormat("SWF");
      chart.ExportAsResponse();
      }
    catch( Exception e )
      {
      out.println( e );
      }
    }
}