Spring MVC Step Line 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 dps = [[]];
var chart = new CanvasJS.Chart("chartContainer", {
	theme: "light2", // "light1", "dark1", "dark2"
	animationEnabled: true,
	title: {
		text: "Postage Rates for Domestic Letters in US"
	},
	subtitles: [{
		text: "since 1988"
	}],
	axisY: {
		title: "Postage Rates in cents",
		suffix: "¢"
	},
	data: [{
		type: "stepLine",
		xValueType: "dateTime",
		xValueFormatString: "YYYY",
		yValueFormatString: "#,##0¢ per ounce",
		dataPoints: dps[0]
	}]
});

var xValue;
var yValue;

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

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>                              
//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("x", 576009000000L); map.put("y", 25);dataPoints1.add(map);
		map = new HashMap<Object,Object>(); map.put("x", 665519400000L); map.put("y", 29);dataPoints1.add(map);
		map = new HashMap<Object,Object>(); map.put("x", 788898600000L); map.put("y", 32);dataPoints1.add(map);
		map = new HashMap<Object,Object>(); map.put("x", 915906600000L); map.put("y", 33);dataPoints1.add(map);
		map = new HashMap<Object,Object>(); map.put("x", 978805800000L); map.put("y", 34);dataPoints1.add(map);
		map = new HashMap<Object,Object>(); map.put("x", 1025375400000L); map.put("y", 37);dataPoints1.add(map);
		map = new HashMap<Object,Object>(); map.put("x", 1136658600000L); map.put("y", 39);dataPoints1.add(map);
		map = new HashMap<Object,Object>(); map.put("x", 1179081000000L); map.put("y", 41);dataPoints1.add(map);
		map = new HashMap<Object,Object>(); map.put("x", 1210530600000L); map.put("y", 42);dataPoints1.add(map);
		map = new HashMap<Object,Object>(); map.put("x", 1241980200000L); map.put("y", 44);dataPoints1.add(map);
		map = new HashMap<Object,Object>(); map.put("x", 1327170600000L); map.put("y", 45);dataPoints1.add(map);
		map = new HashMap<Object,Object>(); map.put("x", 1359225000000L); map.put("y", 46);dataPoints1.add(map);
		map = new HashMap<Object,Object>(); map.put("x", 1390674600000L); map.put("y", 49);dataPoints1.add(map);
		map = new HashMap<Object,Object>(); map.put("x", 1460226600000L); map.put("y", 47);dataPoints1.add(map);
		map = new HashMap<Object,Object>(); map.put("x", 1485023400000L); map.put("y", 49);dataPoints1.add(map);
		
		list.add(dataPoints1);
	}

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