<%@ page language="java" contentType="text/html; charset=UTF-8" pageEncoding="UTF-8"%>
<%@ page import="java.util.*" %>
<%@ page import="com.google.gson.Gson"%>
<%@ page import="com.google.gson.JsonObject"%>
<%
Gson gsonObj = new Gson();
Map<Object,Object> map = null;
List<Map<Object,Object>> list = new ArrayList<Map<Object,Object>>();
map = new HashMap<Object,Object>(); map.put("label", "Two Seaters"); map.put("y", new Integer[] {600,4200}); list.add(map);
map = new HashMap<Object,Object>(); map.put("label", "Minicompact Cars"); map.put("y", new Integer[] {1450,3550}); list.add(map);
map = new HashMap<Object,Object>(); map.put("label", "Subcompact Cars"); map.put("y", new Integer[] {550,3370}); list.add(map);
map = new HashMap<Object,Object>(); map.put("label", "Compact Cars"); map.put("y", new Integer[] {800,2750}); list.add(map);
map = new HashMap<Object,Object>(); map.put("label", "Midsize Cars"); map.put("y", new Integer[] {500,3250}); list.add(map);
map = new HashMap<Object,Object>(); map.put("label", "Large Cars"); map.put("y", new Integer[] {650,3300}); list.add(map);
map = new HashMap<Object,Object>(); map.put("label", "Small Station Wagons"); map.put("y", new Integer[] {550,2100}); list.add(map);
map = new HashMap<Object,Object>(); map.put("label", "Midsize Station Wagons"); map.put("y", new Integer[] {1600,2550}); list.add(map);
String dataPoints = gsonObj.toJson(list);
%>
<!DOCTYPE HTML>
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
<script type="text/javascript">
window.onload = function() {
var chart = new CanvasJS.Chart("chartContainer", {
animationEnabled: true,
theme: "light2",
title:{
text: "Annual Fuel Cost Ranges"
},
subtitles: [{
text: "Based on Vehicle Classes"
}],
axisY: {
title: "Annual Fuel Cost",
prefix: "$",
lineThickness: 1
},
data: [{
type: "rangeBar",
indexLabel: "{y[#index]}",
yValueFormatString: "$#,##0",
dataPoints: <%out.print(dataPoints);%>
}]
});
chart.render();
}
</script>
</head>
<body>
<div id="chartContainer" style="height: 370px; width: 100%;"></div>
<script src="https://cdn.canvasjs.com/canvasjs.min.js"></script>
</body>
</html>