pom.xml
<?xml version="1.0" encoding="UTF-8"?>
<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
<modelVersion>4.0.0</modelVersion>
<groupId>com.javatutsworld.springboot</groupId>
<artifactId>student-services-security</artifactId>
<version>0.0.1-SNAPSHOT</version>
<packaging>jar</packaging>
<name>student-services</name>
<description>Demo project for Spring Boot</description>
<parent>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-parent</artifactId>
<version>1.4.4.RELEASE</version>
<relativePath /> <!-- lookup parent from repository -->
</parent>
<properties>
<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
<project.reporting.outputEncoding>UTF-8</project.reporting.outputEncoding>
<java.version>1.8</java.version>
</properties>
<dependencies>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-actuator</artifactId>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-web</artifactId>
</dependency>
<!-- <dependency> <groupId>org.springframework.boot</groupId> <artifactId>spring-boot-starter-security</artifactId>
</dependency> -->
<dependency>
<groupId>org.apache.tomcat.embed</groupId>
<artifactId>tomcat-embed-jasper</artifactId>
<scope>provided</scope>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-devtools</artifactId>
<scope>runtime</scope>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-test</artifactId>
<scope>test</scope>
</dependency>
<dependency>
<groupId>javax.servlet</groupId>
<artifactId>jstl</artifactId>
<version>1.2</version>
</dependency>
</dependencies>
<build>
<plugins>
<plugin>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-maven-plugin</artifactId>
</plugin>
</plugins>
</build>
</project>
SpringBootFirstWebApplication.java
package com.javatutsworld.springboot;
import org.springframework.boot.SpringApplication;
import org.springframework.boot.autoconfigure.SpringBootApplication;
import org.springframework.context.annotation.ComponentScan;
@SpringBootApplication
@ComponentScan("com.javatutsworld.springboot")
public class SpringBootFirstWebApplication {
public static void main(String[] args) {
SpringApplication.run(SpringBootFirstWebApplication.class, args);
}
}
EmployeeController.java
package com.javatutsworld.springboot.controller;
import java.net.URI;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.http.ResponseEntity;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.PostMapping;
import org.springframework.web.bind.annotation.RequestBody;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RestController;
import org.springframework.web.servlet.support.ServletUriComponentsBuilder;
import com.javatutsworld.springboot.model.Employee;
import com.javatutsworld.springboot.model.Employees;
import com.javatutsworld.springboot.service.EmployeeDAO;
@RestController
@RequestMapping(path = "/employees")
public class EmployeeController
{
@Autowired
private EmployeeDAO employeeDao;
@GetMapping(path="/", produces = "application/json")
public Employees getEmployees()
{
return employeeDao.getAllEmployees();
}
@PostMapping(path= "/", consumes = "application/json", produces = "application/json")
public ResponseEntity<Object> addEmployee(@RequestBody Employee employee)
{
Integer id = employeeDao.getAllEmployees().getEmployeeList().size() + 1;
employee.setId(id);
employeeDao.addEmployee(employee);
URI location = ServletUriComponentsBuilder.fromCurrentRequest()
.path("/{id}")
.buildAndExpand(employee.getId())
.toUri();
return ResponseEntity.created(location).build();
}
}
LoginController.java
package com.javatutsworld.springboot.controller;
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 org.springframework.web.bind.annotation.RequestParam;
import org.springframework.web.bind.annotation.SessionAttributes;
import com.javatutsworld.springboot.service.LoginService;
@Controller
@SessionAttributes("name")
public class LoginController {
@Autowired
LoginService service;
@RequestMapping(value="/login", method = RequestMethod.GET)
public String showLoginPage(ModelMap model){
return "login";
}
@RequestMapping(value="/login", method = RequestMethod.POST)
public String showWelcomePage(ModelMap model, @RequestParam String name, @RequestParam String password){
boolean isValidUser = service.validateUser(name, password);
if (!isValidUser) {
model.put("errorMessage", "Invalid Credentials");
return "login";
}
model.put("name", name);
model.put("password", password);
return "welcome";
}
}
UserController.java
package com.javatutsworld.springboot.controller;
import java.util.ArrayList;
import java.util.List;
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 org.springframework.web.bind.annotation.SessionAttributes;
import com.javatutsworld.springboot.model.Employee;
import com.javatutsworld.springboot.model.Employees;
import com.javatutsworld.springboot.service.EmployeeDAO;
import com.javatutsworld.springboot.service.UserService;
@Controller
@SessionAttributes("name")
public class UserController {
@Autowired
UserService service;
@Autowired EmployeeDAO employeeDao;
@RequestMapping(value="/listuserinfo", method = RequestMethod.GET)
public String showUserInfo(ModelMap model){
String name = (String) model.get("name");
System.out.println("name>>"+name);
model.put("userinfo", service.retrieveUserInfo(name));
return "userinfo";
}
@RequestMapping(value="/employee", method = RequestMethod.GET)
public String showEmployee(ModelMap model){
Employees e=employeeDao.getAllEmployees();
List<Employee> list= new ArrayList<Employee>();
for(Employee emp: e.getEmployeeList()){
list.add(emp);
}
model.put("employeeList", list);
System.out.println(e.getEmployeeList());
return "employee";
}
}
Employee.java
package com.javatutsworld.springboot.model;
public class Employee {
public Employee() {
}
public Employee(Integer id, String firstName, String lastName, String email) {
super();
this.id = id;
this.firstName = firstName;
this.lastName = lastName;
this.email = email;
}
private Integer id;
private String firstName;
private String lastName;
private String email;
//Getters and setters
public Integer getId() {
return id;
}
public void setId(Integer id) {
this.id = id;
}
public String getFirstName() {
return firstName;
}
public void setFirstName(String firstName) {
this.firstName = firstName;
}
public String getLastName() {
return lastName;
}
public void setLastName(String lastName) {
this.lastName = lastName;
}
public String getEmail() {
return email;
}
public void setEmail(String email) {
this.email = email;
}
@Override
public String toString() {
return "Employee [id=" + id + ", firstName=" + firstName + ", lastName=" + lastName + ", email=" + email + "]";
}
}
Employees.java
package com.javatutsworld.springboot.model;
import java.util.ArrayList;
import java.util.List;
public class Employees
{
private List<Employee> employeeList;
public List<Employee> getEmployeeList() {
if(employeeList == null) {
employeeList = new ArrayList<>();
}
return employeeList;
}
public void setEmployeeList(List<Employee> employeeList) {
this.employeeList = employeeList;
}
}
UserInfo.java
package com.javatutsworld.springboot.model;
import java.util.Date;
public class UserInfo {
private int id;
private String user;
private String desc;
private Date targetDate;
private boolean isDone;
public int getId() {
return id;
}
public void setId(int id) {
this.id = id;
}
public String getUser() {
return user;
}
public void setUser(String user) {
this.user = user;
}
public String getDesc() {
return desc;
}
public void setDesc(String desc) {
this.desc = desc;
}
public Date getTargetDate() {
return targetDate;
}
public void setTargetDate(Date targetDate) {
this.targetDate = targetDate;
}
public boolean isDone() {
return isDone;
}
public void setDone(boolean isDone) {
this.isDone = isDone;
}
public UserInfo(int id, String user, String desc, Date targetDate,
boolean isDone) {
super();
this.id = id;
this.user = user;
this.desc = desc;
this.targetDate = targetDate;
this.isDone = isDone;
}
}
EmployeeDAO.java
package com.javatutsworld.springboot.service;
import org.springframework.stereotype.Repository;
import com.javatutsworld.springboot.model.Employee;
import com.javatutsworld.springboot.model.Employees;
@Repository
public class EmployeeDAO
{
public static Employees list = new Employees();
static
{
list.getEmployeeList().add(new Employee(1, "Rahul", "Gupta", "rahul123456@gmail.com"));
list.getEmployeeList().add(new Employee(2, "ali", "Saaim", "alisaaim@gmail.com"));
list.getEmployeeList().add(new Employee(3, "Ankur", "Sharma", "xyz@gmail.com"));
}
public Employees getAllEmployees()
{
return list;
}
public void addEmployee(Employee employee) {
list.getEmployeeList().add(employee);
}
}
LoginService.java
package com.javatutsworld.springboot.service;
import org.springframework.stereotype.Component;
import org.springframework.stereotype.Service;
@Service
public class LoginService {
public boolean validateUser(String userid, String password) {
return userid.equalsIgnoreCase("ali")
&& password.equalsIgnoreCase("ali");
}
}
UserService.java
package com.javatutsworld.springboot.service;
import java.util.ArrayList;
import java.util.Date;
import java.util.List;
import org.springframework.stereotype.Service;
import com.javatutsworld.springboot.model.UserInfo;
@Service
public class UserService {
private static List<UserInfo> userInfo = new ArrayList<UserInfo>();
static {
userInfo.add(new UserInfo(1, "ali", "He is web developer", new Date(),
false));
userInfo.add(new UserInfo(2, "Gaurav", "He is scala developer", new Date(), false));
userInfo.add(new UserInfo(3, "Naman", "He is java developer", new Date(),
false));
userInfo.add(new UserInfo(4, "Sanjay", "He is hadoop developer", new Date(),
false));
}
public List<UserInfo> retrieveUserInfo(String user) {
List<UserInfo> filteredUserInfo = new ArrayList<UserInfo>();
for (UserInfo uinfo : userInfo) {
if (uinfo.getUser().equals(user)) {
filteredUserInfo.add(uinfo);
}
}
return filteredUserInfo;
}
}
employee.jsp
<%@ page language="java" contentType="text/html; charset=ISO-8859-1" pageEncoding="ISO-8859-1"%>
<%@ taglib uri="http://java.sun.com/jsp/jstl/core" prefix="c" %>
<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<html>
<head>
<title>First Web Application</title>
</head>
<body>
Here are the list of employee:<br><br>
<c:if test="${not empty employeeList}">
<c:forEach items="${employeeList}" var ="emp">
<font color="green" size="8">${emp}</font>
</c:forEach>
</c:if>
</body>
</html>
login.jsp
<%@ page language="java" contentType="text/html; charset=ISO-8859-1"
pageEncoding="ISO-8859-1"%>
<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<html>
<head>
<title>First Web Application</title>
</head>
<body>
<font color="red">${errorMessage}</font>
<font color="green" size="8">
<form method="post">
Name : <input type="text" name="name" />
Password : <input type="password" name="password" />
<input type="submit" />
</form>
</font>
</body>
</html>
userinfo.jsp
<%@ page language="java" contentType="text/html; charset=ISO-8859-1" pageEncoding="ISO-8859-1"%>
<%@ taglib uri="http://java.sun.com/jsp/jstl/core" prefix="c" %>
<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<html>
<head>
<title>First Web Application</title>
</head>
<body>
Here are the list of your user:<br><br>
<c:if test="${not empty userinfo}">
<c:forEach items="${userinfo}" var="uinfo">
<font color="green" size="8">${uinfo.user}</font>
</c:forEach>
</c:if>
<br>
Your Name is : ${name}
Welcome Employees!! <a href="/employee">Click here</a> to show employee list.
</body>
</html>
welcome.jsp
<%@ page language="java" contentType="text/html; charset=ISO-8859-1"
pageEncoding="ISO-8859-1"%>
<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<html>
<head>
<title>First Web Application</title>
</head>
<body>
<font color="green" size="8">Welcome ${name}!! <a href="/listuserinfo">Click here</a> to show the user information.</font>
</body>
</html>
application.properties
spring.mvc.view.prefix=/WEB-INF/jsp/
spring.mvc.view.suffix=.jsp
Output
run the using the http://localhost:8080/login and enter user/password below
username = ali password = ali