import hep.aida.*;
import hep.aida.ref.plotter.PlotterUtilities;
import java.io.IOException;
import java.util.Random;
import javax.servlet.ServletConfig;
import javax.servlet.ServletException;
import javax.servlet.ServletOutputStream;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
public class AIDAServlet extends HttpServlet
{
private IPlotter plotter;
/** Initializes the servlet.
*/
public void init(ServletConfig config) throws ServletException
{
super.init(config);
IAnalysisFactory af = IAnalysisFactory.create();
ITree tree = af.createTreeFactory().create();
IHistogramFactory hf = af.createHistogramFactory(tree);
IHistogram1D h1 = hf.createHistogram1D("Test", 50, -4, 4);
Random r = new Random();
for (int i = 0; i < 10000; i++)
h1.fill(r.nextGaussian());
plotter = af.createPlotterFactory().create("Test");
plotter.region(0).plot(h1);
}
public void doGet(HttpServletRequest req, HttpServletResponse res) throws ServletException, IOException
{
ServletOutputStream out = res.getOutputStream();
res.setContentType("image/png");
PlotterUtilities.writeToFile(plotter,out,"png",null);
out.close();
}
}