Create a bar chart in JSP page using JFreeChart

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Create a bar chart in JSP page using JFreeChart

This Example shows you how to create a bar chart in JSP page using JFreeChart. Code given below creates a bar chart of scores of two teams in matches.

This Example shows you how to create a bar chart in JSP page using JFreeChart. Code given below creates a bar chart of scores of two teams in matches.

Create a bar chart in JSP page using JFreeChart

     

This Example shows you how to create a bar chart in JSP page using JFreeChart. Code given below creates a bar chart of scores of two teams in matches.

In the code given below we have extended class ApplicationFrame to create a frame and also pass a string value to the constructor of ApplicationFrame class by using super keyword that will be name of the created frame.

Methods used in this example are described below:

pack(): This method invokes the layout manager.

centerFrameOnScreen(): This method is used for the position of the frame in the middle of the screen.

setVisible(): This method is used for display frame on the screen.

createCategoryDataset(): This method is used to create the instance of CategoryDataset Interface and that contains a copy of the data in an array.

saveChartAsPNG(): This method is used to save chart in to png format.

jspbarchart.jsp


<%@page contentType="text/html" pageEncoding="UTF-8"%>

<%page  import="java.awt.*" %>
<%page  import="java.io.*" %>
<%page  import="org.jfree.chart.*" %>
<%page  import="org.jfree.chart.axis.*" %>
<%page  import="org.jfree.chart.entity.*" %>
<%page  import="org.jfree.chart.labels.*" %>
<%page  import="org.jfree.chart.plot.*" %>
<%page  import="org.jfree.chart.renderer.category.*" %>
<%page  import="org.jfree.chart.urls.*" %>
<%page  import="org.jfree.data.category.*" %>
<%page  import="org.jfree.data.general.*" %>

<%
  final double[][] data = new double[][]{
  {210300320265299},
  {200304201201340}
 };

  final CategoryDataset dataset = 
   DatasetUtilities.createCategoryDataset
(
  "Team """, data);

  JFreeChart chart = null;
  BarRenderer renderer = null;
  CategoryPlot plot = null;


  final CategoryAxis categoryAxis = new CategoryAxis("Match");
  final ValueAxis valueAxis = new NumberAxis("Run");
  renderer = new BarRenderer();

  plot = new CategoryPlot(dataset, categoryAxis, valueAxis, 
  renderer
);

  plot.setOrientation(PlotOrientation.VERTICAL);
  chart = new JFreeChart("Srore Bord", JFreeChart.DEFAULT_TITLE_FONT, 
  plot, true);

  chart.setBackgroundPaint(new Color(249231236));

  Paint p1 = new GradientPaint(
 0.0f0.0fnew Color(1689172)0.0f0.0fnew Color
   (201201244));

  renderer.setSeriesPaint(1, p1);

  Paint p2 = new GradientPaint(
  0.0f0.0fnew Color(2553535)0.0f0.0fnew Color
   (255180180));

  renderer.setSeriesPaint(2, p2);

  plot.setRenderer(renderer);

  try {
  final ChartRenderingInfo info = new ChartRenderingInfo
   (new StandardEntityCollection());
 final File file1 = new File("../webapps/jspchart/web/barchart.png");
  ChartUtilities.saveChartAsPNG(file1, chart, 600400, info);
  catch (Exception e) {
 out.println(e);
  }
%>

<html>
  <head>
  <meta http-equiv="Content-Type" 
   content=
"text/html; charset=UTF-8" >
  <!meta  http-equiv="refresh" content="1">
  <title>JSP Page</title>
  </head>
  
  <body>
  <IMG SRC="barchart.png" WIDTH="600" 
  HEIGHT=
"400" BORDER="0" USEMAP="#chart">
  </body>
</html>


Output:



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