JSP Pareto Charts & Graphs

Download JSP Chart Samples 
<%@ 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", "Traffic Tie-up"); map.put("y", 32); list.add(map);
map = new HashMap<Object,Object>(); map.put("label", "Woke-up Late"); map.put("y", 20); list.add(map);
map = new HashMap<Object,Object>(); map.put("label", "Family Problems"); map.put("y", 8); list.add(map);
map = new HashMap<Object,Object>(); map.put("label", "Sick"); map.put("y", 6); list.add(map);
map = new HashMap<Object,Object>(); map.put("label", "Had to take Public Transport"); map.put("y", 4); list.add(map);
map = new HashMap<Object,Object>(); map.put("label", "Bad Weather"); map.put("y", 3); 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", {
	title:{
		text: "Causes for Late Arrival"
	},
	axisY: {
		title: "Number of Occasions",
		lineColor: "#4F81BC",
		tickColor: "#4F81BC",
		labelFontColor: "#4F81BC"
	},
	axisY2: {
		title: "Percent",
		suffix: "%",
		titleFontColor: "#C0504E",
		tickColor: "#C0504E",
		labelFontColor: "#C0504E"
	},
	data: [{
		type: "column",
		name: "Number of Occasions",			
		dataPoints: <%out.print(dataPoints);%>
	}]
});
chart.render();
createPareto();	

function createPareto(){
	var dps = [];
	var yValue, yTotal = 0, yPercent = 0;
	var color;

	for(var i = 0; i < chart.data[0].dataPoints.length; i++)
		yTotal += chart.data[0].dataPoints[i].y;

	for(var i = 0; i < chart.data[0].dataPoints.length; i++){
		yValue = chart.data[0].dataPoints[i].y;
		yPercent += (yValue / yTotal * 100);
		dps.push({label: chart.data[0].dataPoints[i].label, y: yPercent});
	}

	chart.addTo("data",{type:"line", yValueFormatString: "0.##\"%\"", dataPoints: dps});
	chart.data[1].set("axisYType", "secondary", false);


	chart.axisY[0].set("maximum", yTotal);
	chart.axisY2[0].set("maximum", 100);
}

}
</script>
</head>
<body>
<div id="chartContainer" style="height: 370px; width: 100%;"></div>
<script src="https://cdn.canvasjs.com/canvasjs.min.js"></script>
</body>
</html>