/***********************************************************************************************
* 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.axisChart.AxisChart;
import org.krysalis.jcharts.chartData.AxisChartDataSet;
import org.krysalis.jcharts.chartData.ChartDataException;
import org.krysalis.jcharts.chartData.DataSeries;
import org.krysalis.jcharts.chartData.interfaces.IAxisDataSeries;
import org.krysalis.jcharts.imageMap.ImageMap;
import org.krysalis.jcharts.properties.AxisProperties;
import org.krysalis.jcharts.properties.BarChartProperties;
import org.krysalis.jcharts.properties.ChartProperties;
import org.krysalis.jcharts.properties.LegendProperties;
import org.krysalis.jcharts.properties.PropertyException;
import org.krysalis.jcharts.properties.util.ChartFont;
import org.krysalis.jcharts.types.ChartType;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.awt.*;
import java.io.IOException;
/*************************************************************************************
*
* @author Nathaniel Auvil
* @version $Id: HorizontalBarImageMapServlet.java,v 1.1 2003/08/28 01:17:36 nathaniel_auvil Exp $
************************************************************************************/
public class HorizontalBarImageMapServlet extends HttpServlet
{
//---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( true );
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 );
this.barChartProperties = new BarChartProperties();
}
/**********************************************************************************************
*
*
**********************************************************************************************/
public void service( HttpServletRequest httpServletRequest,
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()};
dataSeries.addIAxisPlotDataSet( new AxisChartDataSet( data, legendLabels, paints, ChartType.BAR, this.barChartProperties ) );
AxisChart axisChart = new AxisChart( dataSeries, this.chartProperties, this.axisProperties, this.legendProperties, this.width, this.height );
//---this call will render the chart to an internal BufferedImage, creating all the image map coordinates
axisChart.renderWithImageMap();
//---get the ImageMap information from the chart
ImageMap imageMap = axisChart.getImageMap();
//---set the ImageMap into the HttpServletRequest so can get it out in JSP
httpServletRequest.setAttribute( ChartServlet.IMAGE_MAP, imageMap );
//---set the Chart into the HttpSession so we can stream it in another request
httpServletRequest.getSession( true ).setAttribute( ChartServlet.CHART, axisChart );
}
catch( ChartDataException chartDataException )
{
chartDataException.printStackTrace();
}
catch( PropertyException propertyException )
{
propertyException.printStackTrace();
}
this.getServletContext().getRequestDispatcher( "/imageMapChart.jsp" ).forward( httpServletRequest, httpServletResponse );
}
}