Spring MVC Dynamic / Live Column Charts & Graphs

Download Spring MVC Chart Samples 
<!-- chart.jsp-->
<%@ page language="java" contentType="text/html; charset=ISO-8859-1"
	pageEncoding="ISO-8859-1"%>
<%@taglib prefix="c" uri="http://java.sun.com/jsp/jstl/core"%>
<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=ISO-8859-1">
<script type="text/javascript">
window.onload = function() {
	
var dataPoints = [];
var chart = new CanvasJS.Chart("chartContainer", {
	title: {
		text: "Temperature of Furnaces"
	},
	axisY: {
		title: "Temperature ( in °C)",
		suffix: " °C",
		minimum: 700,
		stripLines:[{
			value: 1100,
			labelAlign: "near",
			label: "Operating Temp.",
			showOnTop: true,
			color: "#335E28",
			labelFontColor: "#335E28"
		},{
			value: 1500,
			label: "Max Safe Temp.",
			showOnTop: true,
			color: "#A90C0C",
			labelFontColor: "#A90C0C"
		}]
	},
	data: [{
		type: "column",
		yValueFormatString: "#,##0 °C",
		indexLabel: "{y}",
		dataPoints: dataPoints
	}]
});

var yValue;
var label;

<c:forEach items="${dataPointsList}" var="dataPoints" varStatus="loop">
	<c:forEach items="${dataPoints}" var="dataPoint">
		yValue = parseFloat("${dataPoint.y}");
		label = parseInt("${dataPoint.label}");
		dataPoints.push({
			x : label,
			y : yValue,
		});
	</c:forEach>
</c:forEach>

chart.render();

function updateChart() {
	var boilerColor, deltaY, yVal;
	var dps = chart.options.data[0].dataPoints;
	for (var i = 0; i < dps.length; i++) {
		deltaY = Math.round(20 + Math.random() *(-20-20));
		yVal = Math.max(deltaY + dps[i].y, 700);
		boilerColor = yVal > 1500 ? "#DF7970" : yVal >= 1100 ? "#51CDA0" : "#4D91DF";
		dps[i] = {label: "Furnace "+(i+1) , y: yVal, color: boilerColor};
	}
	chart.options.data[0].dataPoints = dps; 
	chart.render();
};
updateChart();

setInterval(function() {updateChart()}, 1000);

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

import java.util.List;
import java.util.Map;

import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Controller;
import org.springframework.ui.ModelMap;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestMethod;

import com.canvasjs.chart.services.CanvasjsChartService;

@Controller
@RequestMapping("/canvasjschart")
public class CanvasjsChartController {

	@Autowired
	private CanvasjsChartService canvasjsChartService;

	@RequestMapping(method = RequestMethod.GET)
	public String springMVC(ModelMap modelMap) {
		List<List<Map<Object, Object>>> canvasjsDataList = canvasjsChartService.getCanvasjsChartData();
		modelMap.addAttribute("dataPointsList", canvasjsDataList);
		return "chart";
	}

}                        
//CanvasjsChartService.java
package com.canvasjs.chart.services;

import java.util.List;
import java.util.Map;

public interface CanvasjsChartService {

	List<List<Map<Object, Object>>> getCanvasjsChartData();

}


//CanvasjsChartServiceImpl.java
package com.canvasjs.chart.services;

import java.util.List;
import java.util.Map;

import org.springframework.beans.factory.annotation.Autowired;

import com.canvasjs.chart.daos.CanvasjsChartDao;

public class CanvasjsChartServiceImpl implements CanvasjsChartService {

	@Autowired
	private CanvasjsChartDao canvasjsChartDao;

	public void setCanvasjsChartDao(CanvasjsChartDao canvasjsChartDao) {
		this.canvasjsChartDao = canvasjsChartDao;
	}

	@Override
	public List<List<Map<Object, Object>>> getCanvasjsChartData() {
		return canvasjsChartDao.getCanvasjsChartData();
	}

}                        
//CanvasjsChartDao.java
package com.canvasjs.chart.daos;

import java.util.List;
import java.util.Map;

public interface CanvasjsChartDao {

	List<List<Map<Object, Object>>> getCanvasjsChartData();

}

//CanvasjsChartDaoImpl.java
package com.canvasjs.chart.daos;

import java.util.List;
import java.util.Map;

import com.canvasjs.chart.data.CanvasjsChartData;

public class CanvasjsChartDaoImpl implements CanvasjsChartDao {

	@Override
	public List<List<Map<Object, Object>>> getCanvasjsChartData() {
		return CanvasjsChartData.getCanvasjsDataList();
	}

}                        
//CanvasjsChartData.java
package com.canvasjs.chart.data;

import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;

public class CanvasjsChartData {

	static Map<Object,Object> map = null;
	static List<List<Map<Object,Object>>> list = new ArrayList<List<Map<Object,Object>>>();
	static List<Map<Object,Object>> dataPoints1 = new ArrayList<Map<Object,Object>>();
	
	static {
		map = new HashMap<Object,Object>(); map.put("label", "Furnace 1"); map.put("y", 1390);dataPoints1.add(map);
		map = new HashMap<Object,Object>(); map.put("label", "Furnace 2"); map.put("y", 1300);dataPoints1.add(map);
		map = new HashMap<Object,Object>(); map.put("label", "Furnace 3"); map.put("y", 1560);dataPoints1.add(map);
		map = new HashMap<Object,Object>(); map.put("label", "Furnace 4"); map.put("y", 1206);dataPoints1.add(map);
		map = new HashMap<Object,Object>(); map.put("label", "Furnace 5"); map.put("y", 1400);dataPoints1.add(map);
		map = new HashMap<Object,Object>(); map.put("label", "Furnace 6"); map.put("y", 1050);dataPoints1.add(map);		
		
		list.add(dataPoints1);
	}

	public static List<List<Map<Object, Object>>> getCanvasjsDataList() {
		return list;
	}
}