SAMPLE: Simple Column Chart - Java Servlet
The information in this article applies to:
- Swiff Chart Generator 2
This example illustrates how to generate a simple column chart from a Java Servlet.
import java.io.*;
import javax.servlet.*;
import javax.servlet.http.*;
import com.globfx.swiffchart.SwiffChart;
public class SampleColumnSWF 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 categories
String categories= "Q1" + sep + "Q2" + sep + "Q3" + sep + "Q4";
chart.SetCategoriesFromString(categories);
// Fill the first series named "Sales 2001"
String series1= "12" + sep + "11" + sep + "6" + sep + "9";
chart.AddSeries();
chart.SetSeriesValuesFromString(0, series1);
chart.SetSeriesCaption(0, "Sales 2001");
// Fill the second series named "Sales 2002"
String series2= "23" + sep + "12" + sep + "8" + sep + "11";
chart.AddSeries();
chart.SetSeriesValuesFromString(1, series2);
chart.SetSeriesCaption(1, "Sales 2002");
// Set the chart title
chart.SetTitle("Financial Results");
chart.SetSubtitle("(Values in M$ - Year to year results)");
// Apply a Column style
// The chart type is stored in the style file (*.scs)
// Here the selected style is the predefined column style "SanFrancisco"
String style = "column/SanFrancisco";
chart.LoadStyle( style );
chart.SetWidth( 400 );
chart.SetHeight( 200 );
chart.SetLooping( false );
chart.SetOutputFormat("SWF");
chart.ExportAsResponse();
}
catch( Exception e )
{
out.println( e );
}
}
}
| References: |
| Keywords: | Servlet JSP Java Column Chart |
