|
From: <nat...@us...> - 2003-08-28 01:17:42
|
Update of /cvsroot/jcharts/krysalis-jcharts/src/java/org/krysalis/jcharts/demo/simpleservlet
In directory sc8-pr-cvs1:/tmp/cvs-serv22599
Added Files:
ChartServlet.java ScatterPlotChartServlet.java
PieChart2DServlet.java ComboChartServlet.java
HorizontalBarImageMapServlet.java BarChartServlet.java
Log Message:
initial revision
--- NEW FILE: ChartServlet.java ---
/***********************************************************************************************
* File Info: $Id: ChartServlet.java,v 1.1 2003/08/28 01:17:36 nathaniel_auvil Exp $
* Copyright (C) 2002
* 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 nat...@us...
*
* 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.Chart;
import org.krysalis.jcharts.chartData.ChartDataException;
import org.krysalis.jcharts.encoders.ServletEncoderHelper;
import org.krysalis.jcharts.properties.PropertyException;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.io.IOException;
public class ChartServlet extends HttpServlet
{
public static final String CHART = "CHART";
public static final String IMAGE_MAP = "IMAGE_MAP";
/**********************************************************************************************
*
**********************************************************************************************/
public void service( HttpServletRequest httpServletRequest, HttpServletResponse httpServletResponse ) throws ServletException, IOException
{
Chart chart = (Chart) httpServletRequest.getSession().getAttribute( CHART );
try
{
//---call encode just like you would normally
ServletEncoderHelper.encodeJPEG13( chart, 1.0f, httpServletResponse );
}
catch( PropertyException propertyException )
{
propertyException.printStackTrace();
}
catch( ChartDataException dataException )
{
dataException.printStackTrace();
}
httpServletRequest.getSession().removeAttribute( CHART );
}
}
--- NEW FILE: ScatterPlotChartServlet.java ---
/***********************************************************************************************
* File Info: $Id: ScatterPlotChartServlet.java,v 1.1 2003/08/28 01:17:36 nathaniel_auvil Exp $
* Copyright (C) 2002
* 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 nat...@us...
*
* 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.ScatterPlotAxisChart;
import org.krysalis.jcharts.chartData.ScatterPlotDataSeries;
import org.krysalis.jcharts.chartData.ScatterPlotDataSet;
import org.krysalis.jcharts.encoders.ServletEncoderHelper;
import org.krysalis.jcharts.properties.AxisProperties;
import org.krysalis.jcharts.properties.ChartProperties;
import org.krysalis.jcharts.properties.DataAxisProperties;
import org.krysalis.jcharts.properties.LegendProperties;
import org.krysalis.jcharts.properties.LineChartProperties;
import org.krysalis.jcharts.properties.PointChartProperties;
import org.krysalis.jcharts.properties.ScatterPlotProperties;
import org.krysalis.jcharts.properties.util.ChartFont;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.awt.*;
import java.awt.geom.Point2D;
import java.io.IOException;
public class ScatterPlotChartServlet extends HttpServlet
{
//---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 );
}
/******************************************************************************************
*
*
******************************************************************************************/
private ScatterPlotProperties createScatterPlotProperties()
{
Stroke[] strokes = new Stroke[]{LineChartProperties.DEFAULT_LINE_STROKE};
Shape[] shapes = new Shape[]{PointChartProperties.SHAPE_CIRCLE};
return new ScatterPlotProperties( strokes, shapes );
}
/*****************************************************************************************
* Generates a random MultiDataSet
*
* @return ScatterPlotDataSet
******************************************************************************************/
private ScatterPlotDataSet createScatterPlotDataSet()
{
Point2D.Double[] points = new Point2D.Double[ 20 ];
for( int x = 0; x < 20; x++ )
{
//--- y = x^2
points[ x ] = ScatterPlotDataSet.createPoint2DDouble();
points[ x ].setLocation( x, Math.pow( x, 2 ) );
}
ScatterPlotDataSet scatterPlotDataSet = new ScatterPlotDataSet( this.createScatterPlotProperties() );
scatterPlotDataSet.addDataPoints( points, Color.red, "Proprietary" );
return scatterPlotDataSet;
}
/**********************************************************************************************
*
**********************************************************************************************/
public void service( HttpServletRequest req, HttpServletResponse httpServletResponse ) throws ServletException, IOException
{
try
{
ScatterPlotDataSet scatterPlotDataSet = this.createScatterPlotDataSet();
ScatterPlotDataSeries scatterPlotDataSeries = new ScatterPlotDataSeries( scatterPlotDataSet,
"X-Axis Title",
"Y-Axis Title",
"Chart Title" );
DataAxisProperties xAxisProperties = new DataAxisProperties();
xAxisProperties.setUserDefinedScale( -5, 3 );
xAxisProperties.setNumItems( 10 );
xAxisProperties.setRoundToNearest( 0 );
DataAxisProperties yAxisProperties = new DataAxisProperties();
yAxisProperties.setUserDefinedScale( -30, 50 );
yAxisProperties.setNumItems( 10 );
yAxisProperties.setRoundToNearest( 1 );
AxisProperties axisProperties = new AxisProperties( xAxisProperties, yAxisProperties );
ChartProperties chartProperties = new ChartProperties();
LegendProperties legendProperties = new LegendProperties();
ScatterPlotAxisChart scatterPlotAxisChart = new ScatterPlotAxisChart( scatterPlotDataSeries,
chartProperties,
axisProperties,
legendProperties,
500,
400 );
ServletEncoderHelper.encodeJPEG13( scatterPlotAxisChart, 1.0f, httpServletResponse );
}
catch( Throwable throwable )
{
//HACK do your error handling here...
throwable.printStackTrace();
}
}
}
--- NEW FILE: PieChart2DServlet.java ---
/***********************************************************************************************
* File Info: $Id: PieChart2DServlet.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 nat...@us...
*
* 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.chartData.ChartDataException;
import org.krysalis.jcharts.chartData.PieChartDataSet;
import org.krysalis.jcharts.encoders.ServletEncoderHelper;
import org.krysalis.jcharts.nonAxisChart.PieChart2D;
import org.krysalis.jcharts.properties.ChartProperties;
import org.krysalis.jcharts.properties.LegendProperties;
import org.krysalis.jcharts.properties.PieChart2DProperties;
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;
public class PieChart2DServlet extends HttpServlet
{
//---all of my pie charts serviced by this Servlet will have the same properties.
private PieChart2DProperties properties;
private LegendProperties legendProperties;
private ChartProperties chartProperties;
private int width = 550;
private int height = 350;
/**********************************************************************************************
*
**********************************************************************************************/
public void init()
{
//---all charts of this type of pie chart are going to share the same properties.
this.properties = new PieChart2DProperties();
this.legendProperties = new LegendProperties();
this.legendProperties.setNumColumns( 2 );
this.legendProperties.setPlacement( LegendProperties.RIGHT );
this.chartProperties = new ChartProperties();
}
/**********************************************************************************************
*
**********************************************************************************************/
public void service( HttpServletRequest req, HttpServletResponse response ) throws ServletException, IOException
{
try
{
PieChart2D pieChart2D = new PieChart2D( this.getData(), this.legendProperties, this.chartProperties, this.width, this.height );
ServletEncoderHelper.encodeJPEG13( pieChart2D, 1.0f, response );
}
catch( Throwable throwable )
{
//HACK do your error handling here...
throwable.printStackTrace();
}
}
/******************************************************************************************
* Returns a Tests a 'real' data set and usage.
*
* @throws ChartDataException
******************************************************************************************/
private PieChartDataSet getData() throws ChartDataException
{
double[] data = new double[]{40, 15, 35, 65, 59};
Paint[] paints = new Paint[]{Color.blue, Color.red, Color.green, Color.yellow, Color.white};
String[] labels = {"BMW", "Honda", "Lexus", "Audi", "Acura"};
return new PieChartDataSet( "Cars That Own!", data, labels, paints, this.properties );
}
}
--- NEW FILE: ComboChartServlet.java ---
/***********************************************************************************************
* 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 nat...@us...
*
* 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();
}
}
}
--- NEW FILE: HorizontalBarImageMapServlet.java ---
/***********************************************************************************************
* 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 nat...@us...
*
* 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 );
}
}
--- NEW FILE: BarChartServlet.java ---
/***********************************************************************************************
* 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 nat...@us...
*
* 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.axisChart.customRenderers.axisValue.renderers.ValueLabelPosition;
import org.krysalis.jcharts.axisChart.customRenderers.axisValue.renderers.ValueLabelRenderer;
import org.krysalis.jcharts.chartData.AxisChartDataSet;
import org.krysalis.jcharts.chartData.DataSeries;
import org.krysalis.jcharts.chartData.interfaces.IAxisDataSeries;
import org.krysalis.jcharts.encoders.ServletEncoderHelper;
import org.krysalis.jcharts.properties.AxisProperties;
import org.krysalis.jcharts.properties.BarChartProperties;
import org.krysalis.jcharts.properties.ChartProperties;
import org.krysalis.jcharts.properties.DataAxisProperties;
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: BarChartServlet.java,v 1.1 2003/08/28 01:17:36 nathaniel_auvil Exp $
************************************************************************************/
public class BarChartServlet 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( 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 );
DataAxisProperties dataAxisProperties = (DataAxisProperties) axisProperties.getYAxisProperties();
try
{
dataAxisProperties.setUserDefinedScale( -3000, 3000 );
}
catch( PropertyException propertyException )
{
propertyException.printStackTrace();
}
dataAxisProperties.setRoundToNearest( 2 );
ChartFont titleFont = new ChartFont( new Font( "Georgia Negreta cursiva", Font.PLAIN, 14 ), Color.black );
this.chartProperties.setTitleFont( titleFont );
this.barChartProperties = new BarChartProperties();
ValueLabelRenderer valueLabelRenderer = new ValueLabelRenderer( false, false, true, -1 );
valueLabelRenderer.setValueLabelPosition( ValueLabelPosition.ON_TOP );
valueLabelRenderer.useVerticalLabels( false );
barChartProperties.addPostRenderEventListener( valueLabelRenderer );
}
/**********************************************************************************************
*
**********************************************************************************************/
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, 7000, 4555, 4000, 6120}};
String[] legendLabels = {"Bugs"};
Paint[] paints = new Paint[]{Color.yellow};
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 );
ServletEncoderHelper.encodeJPEG13( axisChart, 1.0f, httpServletResponse );
}
catch( Throwable throwable )
{
//HACK do your error handling here...
throwable.printStackTrace();
}
}
}
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