/***********************************************************************************************
* File Info: $Id: ComboChartServlet.java,v 1.1 2003/08/28 01:17:36 nathaniel_auvil Exp $
* Copyright (C) 2000
* Author: Nathaniel G. Auvil
* Contributor(s):
*
* Copyright 2002 (C) Nathaniel G. Auvil. All Rights Reserved.
*
* Redistribution and use of this software and associated documentation
* ("Software"), with or without modification, are permitted provided
* that the following conditions are met:
*
* 1. Redistributions of source code must retain copyright
* statements and notices. Redistributions must also contain a
* copy of this document.
*
* 2. Redistributions in binary form must reproduce the
* above copyright notice, this list of conditions and the
* following disclaimer in the documentation and/or other
* materials provided with the distribution.
*
* 3. The name "jCharts" or "Nathaniel G. Auvil" must not be used to
* endorse or promote products derived from this Software without
* prior written permission of Nathaniel G. Auvil. For written
* permission, please contact nathaniel_auvil@users.sourceforge.net
*
* 4. Products derived from this Software may not be called "jCharts"
* nor may "jCharts" appear in their names without prior written
* permission of Nathaniel G. Auvil. jCharts is a registered
* trademark of Nathaniel G. Auvil.
*
* 5. Due credit should be given to the jCharts Project
* (http://jcharts.sourceforge.net/).
*
* THIS SOFTWARE IS PROVIDED BY Nathaniel G. Auvil AND CONTRIBUTORS
* ``AS IS'' AND ANY EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT
* NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
* FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL
* jCharts OR ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
* INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
* OF THE POSSIBILITY OF SUCH DAMAGE.
************************************************************************************************/
package org.krysalis.jcharts.demo.simpleservlet;
import org.krysalis.jcharts.properties.LineChartProperties;
import org.krysalis.jcharts.properties.BarChartProperties;
import org.krysalis.jcharts.properties.LegendProperties;
import org.krysalis.jcharts.properties.AxisProperties;
import org.krysalis.jcharts.properties.ChartProperties;
import org.krysalis.jcharts.properties.PointChartProperties;
import org.krysalis.jcharts.properties.util.ChartFont;
import org.krysalis.jcharts.chartData.interfaces.IAxisDataSeries;
import org.krysalis.jcharts.chartData.DataSeries;
import org.krysalis.jcharts.chartData.AxisChartDataSet;
import org.krysalis.jcharts.types.ChartType;
import org.krysalis.jcharts.axisChart.AxisChart;
import org.krysalis.jcharts.encoders.ServletEncoderHelper;
import javax.servlet.ServletException;
import javax.servlet.http.*;
import java.awt.*;
import java.io.IOException;
public class ComboChartServlet extends HttpServlet
{
//---all of my charts serviced by this Servlet will have the same properties.
private LineChartProperties lineChartProperties;
//---all of my charts serviced by this Servlet will have the same properties.
private BarChartProperties barChartProperties;
//---all of my charts serviced by this Servlet will have the same properties.
protected LegendProperties legendProperties;
protected AxisProperties axisProperties;
protected ChartProperties chartProperties;
protected int width = 550;
protected int height = 360;
/**********************************************************************************************
*
**********************************************************************************************/
public void init()
{
this.legendProperties = new LegendProperties();
this.chartProperties = new ChartProperties();
this.axisProperties = new AxisProperties( false );
ChartFont axisScaleFont = new ChartFont( new Font( "Georgia Negreta cursiva", Font.PLAIN, 13 ), Color.black );
axisProperties.getXAxisProperties().setScaleChartFont( axisScaleFont );
axisProperties.getYAxisProperties().setScaleChartFont( axisScaleFont );
ChartFont axisTitleFont = new ChartFont( new Font( "Arial Narrow", Font.PLAIN, 14 ), Color.black );
axisProperties.getXAxisProperties().setTitleChartFont( axisTitleFont );
axisProperties.getYAxisProperties().setTitleChartFont( axisTitleFont );
ChartFont titleFont = new ChartFont( new Font( "Georgia Negreta cursiva", Font.PLAIN, 14 ), Color.black );
this.chartProperties.setTitleFont( titleFont );
Stroke[] strokes = {LineChartProperties.DEFAULT_LINE_STROKE};
Shape[] shapes = {PointChartProperties.SHAPE_DIAMOND};
this.lineChartProperties = new LineChartProperties( strokes, shapes );
this.barChartProperties = new BarChartProperties();
}
/**********************************************************************************************
*
**********************************************************************************************/
public void service( HttpServletRequest req, HttpServletResponse httpServletResponse ) throws ServletException, IOException
{
try
{
String[] xAxisLabels = {"1995", "1996", "1997", "1998", "1999", "2000", "2001", "2002", "2003", "2004"};
String xAxisTitle = "Years";
String yAxisTitle = "Problems";
String title = "Micro$oft At Work";
IAxisDataSeries dataSeries = new DataSeries( xAxisLabels, xAxisTitle, yAxisTitle, title );
double[][] data = new double[][]{{1500, 6880, 4510, 2600, 1200, 1580, 8000, 4555, 4000, 6120}};
String[] legendLabels = {"Bugs"};
Paint[] paints = new Paint[]{Color.blue.darker()};
Paint[] linePaints = new Paint[]{Color.green};
dataSeries.addIAxisPlotDataSet( new AxisChartDataSet( data, legendLabels, paints, ChartType.BAR, this.barChartProperties ) );
dataSeries.addIAxisPlotDataSet( new AxisChartDataSet( data, legendLabels, linePaints, ChartType.LINE, this.lineChartProperties ) );
AxisChart axisChart = new AxisChart( dataSeries, this.chartProperties, this.axisProperties, this.legendProperties, this.width, this.height );
ServletEncoderHelper.encodeJPEG13( axisChart, 1.0f, httpServletResponse );
}
catch( Throwable throwable )
{
//HACK do your error handling here...
throwable.printStackTrace();
}
}
}