Ejemplo prof no funciona

pom.xml

@@ -55,6 +55,11 @@
             <artifactId>tomcat-embed-jasper</artifactId>
             <artifactId>tomcat-embed-jasper</artifactId>
             <scope>provided</scope>
             <scope>provided</scope>
         </dependency>
         </dependency>
+        <dependency>
+            <groupId>javax.persistence</groupId>
+            <artifactId>javax.persistence-api</artifactId>
+            <version>2.2</version>
+        </dependency>
     </dependencies>
     </dependencies>
 
 
     <build>
     <build>

src/main/java/com/example/fmaker/Employee.java

+package com.example.fmaker;
+import javax.persistence.Column;
+import javax.persistence.Entity;
+import javax.persistence.GeneratedValue;
+import javax.persistence.GenerationType;
+import javax.persistence.Id;
+import javax.persistence.Table;
+
+@Entity
+@Table(name = "employees")
+public class Employee {
+
+    private long id;
+    private String firstName;
+    private String lastName;
+    private String emailId;
+
+    public Employee() {
+
+    }
+
+    public Employee(String firstName, String lastName, String emailId) {
+        this.firstName = firstName;
+        this.lastName = lastName;
+        this.emailId = emailId;
+    }
+
+    @Id
+    @GeneratedValue(strategy = GenerationType.AUTO)
+    public long getId() {
+        return id;
+    }
+    public void setId(long id) {
+        this.id = id;
+    }
+
+    @Column(name = "first_name", nullable = false)
+    public String getFirstName() {
+        return firstName;
+    }
+    public void setFirstName(String firstName) {
+        this.firstName = firstName;
+    }
+
+    @Column(name = "last_name", nullable = false)
+    public String getLastName() {
+        return lastName;
+    }
+    public void setLastName(String lastName) {
+        this.lastName = lastName;
+    }
+
+    @Column(name = "email_address", nullable = false)
+    public String getEmailId() {
+        return emailId;
+    }
+    public void setEmailId(String emailId) {
+        this.emailId = emailId;
+    }
+
+    @Override
+    public String toString() {
+        return "Employee [id=" + id + ", firstName=" + firstName + ", lastName=" + lastName + ", emailId=" + emailId +
+                "]";
+    }
+}
\ No newline at end of file

src/main/java/com/example/fmaker/EmployeeController.java

+package com.example.fmaker;
+
+import java.util.HashMap;
+import java.util.List;
+import java.util.Map;
+
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.stereotype.Controller;
+import org.springframework.ui.Model;
+import org.springframework.web.bind.annotation.GetMapping;
+import org.springframework.web.servlet.ModelAndView;
+
+import com.example.fmaker.Employee;
+import com.example.fmaker.EmployeeRepository;
+
+@Controller
+public class EmployeeController {
+    @Autowired
+    private EmployeeRepository employeeRepository;
+
+    @GetMapping("/")
+    public String index(Model model) {
+
+        return "index";
+    }
+
+    @GetMapping("/showEmployees")
+    public ModelAndView showCities() {
+
+        List < Employee > employees = employeeRepository.findAll();
+
+        Map < String, Object > params = new HashMap < String, Object > ();
+        params.put("employees", employees);
+
+        return new ModelAndView("showEmployees", params);
+    }
+}

src/main/java/com/example/fmaker/EmployeeRepository.java

+package com.example.fmaker;
+
+import org.springframework.data.jpa.repository.JpaRepository;
+import org.springframework.stereotype.Repository;
+
+import com.example.fmaker.Employee;
+
+@Repository
+public interface EmployeeRepository extends JpaRepository<Employee, Long>{
+
+}
\ No newline at end of file

src/main/java/com/example/fmaker/FmakerApplication.java

-package com.example.fmaker;
-
-import org.springframework.boot.SpringApplication;
-import org.springframework.boot.autoconfigure.SpringBootApplication;
-
-@SpringBootApplication
-public class FmakerApplication {
-
-    public static void main(String[] args) {
-        SpringApplication.run(FmakerApplication.class, args);
-    }
-
-}

src/main/java/com/example/fmaker/MainAplication.java

+package com.example.fmaker;
+
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.boot.CommandLineRunner;
+import org.springframework.boot.SpringApplication;
+import org.springframework.boot.autoconfigure.SpringBootApplication;
+import java.util.List;
+
+import com.example.fmaker.Employee;
+import com.example.fmaker.EmployeeRepository;
+
+@SpringBootApplication
+public class MainAplication implements CommandLineRunner {
+    @Autowired
+    private EmployeeRepository repository;
+    public static void main(String[] args) {
+
+        SpringApplication.run(MainAplication.class, args);
+    }
+
+    @Override
+    public void run(String...args) throws Exception {
+
+        repository.save(new Employee("Ramesh", "Fadatare", "ramesh@gmail.com"));
+        repository.save(new Employee("Tom", "Cruise", "tom@gmail.com"));
+        repository.save(new Employee("John", "Cena", "john@gmail.com"));
+        repository.save(new Employee("tony", "stark", "stark@gmail.com"));
+        // get list of employees
+        List < Employee > employees = repository.findAll();
+        employees.forEach(employee -> System.out.println(employee.toString()));
+    }
+}

src/main/resources/application.properties

-
+spring.freemarker.template-loader-path: classhpath:/templates
+spring.freemarker.suffix: .ftl

src/main/resources/templates/index.ftl

+<!DOCTYPE html>
+<html>
+<head>
+    <title>Home page</title>
+    <meta charset="UTF-8">
+    <meta name="viewport" content="width=device-width, initial-scale=1.0">
+    <link href="https://stackpath.bootstrapcdn.com/bootstrap/4.3.1/css/bootstrap.min.css"
+          rel="stylesheet" integrity="sha384-ggOyR0iXCbMQv3Xipma34MD+dH/1fQ784/j6cY/iJTQUOhcWr7x9JvoRxT2MZw1T"
+          crossorigin="anonymous">
+</head>
+
+<body>
+<div class="container">
+    <div class="panel panel-primary">
+        <div class="panel-heading">
+            <h2>Home Page</h2>
+        </div>
+        <a href="showEmployees">Show Employees (Retrieve employee data from database)</a>
+    </div>
+</div>
+</body>
+
+</html>
+showEmployees.ftl
+<!DOCTYPE html>
+<html>
+<head>
+    <title>Employee List</title>
+    <meta charset="UTF-8">
+    <meta name="viewport" content="width=device-width, initial-scale=1.0">
+    <link href="https://stackpath.bootstrapcdn.com/bootstrap/4.3.1/css/bootstrap.min.css"
+          rel="stylesheet" integrity="sha384-ggOyR0iXCbMQv3Xipma34MD+dH/1fQ784/j6cY/iJTQUOhcWr7x9JvoRxT2MZw1T"
+          crossorigin="anonymous">
+    <link rel="stylesheet" href="css/style.css">
+</head>
+<body>
+<div class="container">
+    <div class="panel panel-primary">
+        <div class="panel-heading">
+            <h2>Employee List</h2>
+        </div>
+        <div class="panel-body">
+            <table class="table table-striped">
+                <thead>
+                <tr>
+                    <th>Firstname</th>
+                    <th>Lastname</th>
+                    <th>Email</th>
+                </tr>
+                </thead>
+                <tbody>
+                <#list employees as employee>
+                    <tr>
+                        <td>${employee.firstName}</td>
+                        <td>${employee.lastName}</td>
+                        <td>${employee.emailId}</td>
+                    </tr>
+                </#list>
+                </tbody>
+            </table>
+        </div>
+    </div>
+</div>
+</body>
+</html>
\ No newline at end of file

src/main/resources/templates/showemployees.ftl

+<!DOCTYPE html>
+<html>
+    <head>
+        <title>Employee List</title>
+        <meta charset="UTF-8">
+        <meta name="viewport" content="width=device-width, initial-scale=1.0">
+        <link href="https://stackpath.bootstrapcdn.com/bootstrap/4.3.1/css/bootstrap.min.css"
+         rel="stylesheet" integrity="sha384-ggOyR0iXCbMQv3Xipma34MD+dH/1fQ784/j6cY/iJTQUOhcWr7x9JvoRxT2MZw1T"
+         crossorigin="anonymous">
+        <link rel="stylesheet" href="css/style.css">
+        </head>
+    <body>
+    <div class="container">
+       <div class="panel panel-primary">
+             <div class="panel-heading">
+   <h2>Employee List</h2>
+             </div>
+    <div class="panel-body">
+      <table class="table table-striped">
+        <thead>
+          <tr>
+            <th>Firstname</th>
+            <th>Lastname</th>
+            <th>Email</th>
+          </tr>
+        </thead>
+        <tbody>
+         <#list employees as employee>
+                          <tr>
+                                <td>${employee.firstName}</td>
+                                <td>${employee.lastName}</td>
+                                <td>${employee.emailId}</td>
+                          </tr>
+             </#list>
+        </tbody>
+      </table>
+    </div>
+  </div>
+           </div>
+     </body>
+</html>
\ No newline at end of file

src/main/webapp/WEB-INF/index.ftl

-<html>
-<head>
-    <title> ${title} </title>
-</head>
-<body>
-<h1>${title}</h1>
-
-<p>${exampleObject.name} by ${exampleObject.developer}</p>
-
-<ul>
-    <#list systems as system>
-        <li>${system_index + 1}. ${system.name} from ${system.developer}</li>
-    </#list>
-</ul>
-
-</body>
-</html>
\ No newline at end of file

src/test/java/com/example/fmaker/FmakerApplicationTests.java → src/test/java/com/example/fmaker/MainAplicationTests.java

@@ -4,7 +4,7 @@ import org.junit.jupiter.api.Test;
 import org.springframework.boot.test.context.SpringBootTest;
 import org.springframework.boot.test.context.SpringBootTest;
 
 
 @SpringBootTest
 @SpringBootTest
-class FmakerApplicationTests {
+class MainAplicationTests {
 
 
     @Test
     @Test
     void contextLoads() {
     void contextLoads() {