org/objectweb/proactive/benchmarks/timit/util/charts/Utilities.java

/* 
 * ################################################################
 * 
 * ProActive: The Java(TM) library for Parallel, Distributed, 
 *            Concurrent computing with Security and Mobility
 * 
 * Copyright (C) 1997-2007 INRIA/University of Nice-Sophia Antipolis
 * Contact: proactive@objectweb.org
 * 
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation; either
 * version 2.1 of the License, or any later version.
 *  
 * This library is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * Lesser General Public License for more details.
 * 
 * You should have received a copy of the GNU Lesser General Public
 * License along with this library; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307
 * USA
 *  
 *  Initial developer(s):               The ProActive Team
 *                        http://www.inria.fr/oasis/ProActive/contacts.html
 *  Contributor(s): 
 * 
 * ################################################################
 */ 
package org.objectweb.proactive.benchmarks.timit.util.charts;

import java.awt.Graphics2D;
import java.awt.Rectangle;
import java.io.File;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.OutputStream;
import java.io.OutputStreamWriter;
import java.io.Writer;
import java.lang.reflect.Constructor;
import java.lang.reflect.Method;

import org.jdom.Element;
import org.jfree.chart.JFreeChart;
import org.objectweb.proactive.benchmarks.timit.TimIt;
import org.objectweb.proactive.benchmarks.timit.config.ConfigChart;
import org.objectweb.proactive.benchmarks.timit.util.BenchmarkStatistics;
import org.w3c.dom.DOMImplementation;

public class Utilities {

    public static void generatingCharts(Element eTimitResult,
            BenchmarkStatistics bstats, ConfigChart[] charts) {

        if( charts == null ) return;
        TimIt.message(2, "Generating charts...");
        String className = null;

        for (ConfigChart cChart : charts) {
            TimIt.message(4, "Generating " + cChart.get("title") + " ["
                    + cChart.get("subtitle") + "]" + "...");
            try {
                className = Utilities.class.getPackage().getName() + "."
                        + cChart.get("type");
                Class chartClass = Class.forName(className);
                Chart chart = (Chart) chartClass.newInstance();
                chart.generateChart(eTimitResult, bstats, cChart);

            } catch (ClassNotFoundException e) {
                System.err.println("  Fail: Unknown chart type: " + className);
            } catch (InstantiationException e) {
                e.printStackTrace();
            } catch (IllegalAccessException e) {
                e.printStackTrace();
            }
        }
    }

    public static void saveChartAsSVG(JFreeChart chart, Rectangle bounds,
            File svgFile) throws IOException {
        try {
            Class GDI = Class
                    .forName("org.apache.batik.dom.GenericDOMImplementation");

            // Get a DOMImplementation and create an XML document
            Method getDOMImplementation = GDI.getMethod("getDOMImplementation",
                    new Class[0]);
            DOMImplementation domImpl = (DOMImplementation) getDOMImplementation
                    .invoke(null, new Object[0]);

            org.w3c.dom.Document document = domImpl.createDocument(null, "svg",
                    null);

            // Create an instance of the SVG Generator
            Class SG2D = Class.forName("org.apache.batik.svggen.SVGGraphics2D");
            Method streamMethod = SG2D.getMethod("stream", new Class[] {
                    Writer.class, boolean.class });
            Constructor SG2DConstr = SG2D
                    .getConstructor(new Class[] { org.w3c.dom.Document.class });
            Object svgGenerator = SG2DConstr.newInstance(document);

            // draw the chart in the SVG generator
            chart.draw((Graphics2D) svgGenerator, bounds);

            // Write svg file
            OutputStream outputStream = new FileOutputStream(svgFile);
            Writer out = new OutputStreamWriter(outputStream, "UTF-8");
            streamMethod.invoke(svgGenerator,
                    new Object[] { out, true /* use css */});
            outputStream.flush();
            outputStream.close();
            out.close();

        } catch (Exception e) {
            e.printStackTrace();
        }
    }
}

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