[W5D2] (ArndtED) Adds Spring Boot assignment

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+# External tool builders
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+# Locally stored "Eclipse launch configurations"
+*.launch
+ 
+# CDT-specific
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+ 
+# PDT-specific
+.buildpath

build.gradle

+plugins {
+	id 'org.springframework.boot' version '2.4.4'
+	id 'io.spring.dependency-management' version '1.0.11.RELEASE'
+	id 'java'
+}
+
+group = 'com.nisum'
+version = '0.0.1-SNAPSHOT'
+sourceCompatibility = '1.8'
+
+repositories {
+	mavenCentral()
+}
+
+dependencies {
+	implementation 'org.springframework.boot:spring-boot-starter-data-jpa'
+	implementation 'org.springframework.boot:spring-boot-starter-web'
+	implementation 'org.springframework.boot:spring-boot-starter-actuator'
+	implementation 'org.springframework.boot:spring-boot-starter-validation'
+	implementation 'junit:junit:4.12'
+	runtimeOnly 'com.h2database:h2'
+	testImplementation 'org.springframework.boot:spring-boot-starter-test'
+}
+
+test {
+	useJUnitPlatform()
+}

settings.gradle

+rootProject.name = 'employeeservice'

src/main/java/com/nisum/employeeservice/EmployeeserviceApplication.java

+package com.nisum.employeeservice;
+
+import org.springframework.boot.SpringApplication;
+import org.springframework.boot.autoconfigure.SpringBootApplication;
+
+@SpringBootApplication
+public class EmployeeserviceApplication {
+
+	public static void main(String[] args) {
+		SpringApplication.run(EmployeeserviceApplication.class, args);
+	}
+
+}

src/main/java/com/nisum/employeeservice/aspect/LoggingAspect.java

+package com.nisum.employeeservice.aspect;
+
+import org.aspectj.lang.annotation.Aspect;
+import org.aspectj.lang.annotation.Before;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+import org.springframework.stereotype.Component;
+
+@Aspect
+@Component
+public class LoggingAspect {
+    private final Logger logger = LoggerFactory.getLogger(LoggingAspect.class);
+
+//    @Before("execution(* EmployeeService.findAllEmployees())")
+//    public void logBefore() {
+//        logger.info("{} before advice", "Logger");
+//        logger.error("Fake Error");
+//    }
+}

src/main/java/com/nisum/employeeservice/controller/EmployeeController.java

+package com.nisum.employeeservice.controller;
+
+import com.nisum.employeeservice.model.Employee;
+import com.nisum.employeeservice.service.EmployeeService;
+import com.nisum.employeeservice.exception.ResourceNotFoundException;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.http.ResponseEntity;
+import org.springframework.web.bind.annotation.*;
+
+import javax.validation.Valid;
+import java.util.List;
+
+@CrossOrigin(origins = "*")
+@RestController
+@RequestMapping("/api/v1")
+public class EmployeeController {
+
+    @Autowired
+    EmployeeService employeeService;
+
+    //read all
+    @GetMapping("/employees")
+    public List<Employee> getAllEmployees(){
+        return employeeService.findAllEmployees();
+    }
+
+    //read one
+    @GetMapping("/employees/{id}")
+    public ResponseEntity<Employee> getEmployeeById(@PathVariable("id") Long employeeId) throws ResourceNotFoundException {
+        Employee employee = employeeService.getEmployeeById(employeeId)
+                .orElseThrow(()-> new ResourceNotFoundException("Employee by Id not found." + employeeId));
+        return ResponseEntity.ok().body(employee);
+    }
+
+    //create
+    @PostMapping("/employees")
+    public Employee createEmployee(@RequestBody Employee employee){
+        return employeeService.addEmployee(employee);
+    }
+
+    //update
+    @PutMapping("/employees/{id}")
+    public ResponseEntity<Employee> updateEmployee(@PathVariable("id") Long employeeId, @RequestBody @Valid Employee newEmployee) throws ResourceNotFoundException{
+        Employee oldEmployee = employeeService.getEmployeeById(employeeId)
+                .orElseThrow(()-> new ResourceNotFoundException("Could not find employee with that Id." + employeeId));
+        employeeService.updateEmployee(oldEmployee, newEmployee);
+        return ResponseEntity.ok().body(newEmployee);
+    }
+
+    //destroy
+    @DeleteMapping("/employees/{id}")
+    public ResponseEntity<Employee> deleteEmployee(@PathVariable("id") Long employeeId) throws ResourceNotFoundException{
+        Employee employee = employeeService.getEmployeeById(employeeId)
+                .orElseThrow(()-> new ResourceNotFoundException("No employee by that name." + employeeId));
+        employeeService.deleteEmployee(employee);
+        return ResponseEntity.ok().body(employee);
+    }
+}

src/main/java/com/nisum/employeeservice/exception/ErrorDetails.java

+package com.nisum.employeeservice.exception;
+
+import java.util.Date;
+
+public class ErrorDetails {
+    private Date timestamp;
+    private String message;
+    private String details;
+
+    public ErrorDetails(Date timestamp, String message, String details) {
+        this.timestamp = timestamp;
+        this.message = message;
+        this.details = details;
+    }
+
+    public Date getTimestamp() {
+        return timestamp;
+    }
+
+    public void setTimestamp(Date timestamp) {
+        this.timestamp = timestamp;
+    }
+
+    public String getMessage() {
+        return message;
+    }
+
+    public void setMessage(String message) {
+        this.message = message;
+    }
+
+    public String getDetails() {
+        return details;
+    }
+
+    public void setDetails(String details) {
+        this.details = details;
+    }
+}

src/main/java/com/nisum/employeeservice/exception/GlobalExceptionHandler.java

+package com.nisum.employeeservice.exception;
+
+import org.springframework.http.HttpStatus;
+import org.springframework.http.ResponseEntity;
+import org.springframework.web.context.request.WebRequest;
+import org.springframework.web.servlet.mvc.method.annotation.ResponseEntityExceptionHandler;
+
+import java.util.Date;
+
+public class GlobalExceptionHandler extends ResponseEntityExceptionHandler {
+    public ResponseEntity<?> resourceNotFoundException(ResourceNotFoundException ex, WebRequest webRequest){
+        ErrorDetails errorDetails = new ErrorDetails(new Date(), ex.getMessage(), webRequest.getDescription(false));
+        return new ResponseEntity<>(errorDetails, HttpStatus.NOT_FOUND);
+    }
+}

src/main/java/com/nisum/employeeservice/exception/ResourceNotFoundException.java

+package com.nisum.employeeservice.exception;
+
+import org.springframework.http.HttpStatus;
+import org.springframework.web.bind.annotation.ResponseStatus;
+
+@ResponseStatus(value = HttpStatus.NOT_FOUND)
+public class ResourceNotFoundException extends Exception {
+    public ResourceNotFoundException(String message){
+        super(message);
+    }
+}

src/main/java/com/nisum/employeeservice/model/Employee.java

+package com.nisum.employeeservice.model;
+
+
+import javax.persistence.*;
+
+@Entity
+@Table(name = "employee")
+public class Employee {
+
+    @Id
+    @GeneratedValue(strategy = GenerationType.IDENTITY)
+    private Long id;
+
+    private String firstName;
+    private String lastName;
+
+    public Employee(){}
+
+    public Employee(String firstName, String lastName){
+        this.firstName = firstName;
+        this.lastName = lastName;
+    }
+
+    public String getLastName() {
+        return lastName;
+    }
+
+    public String getFirstName() {
+        return firstName;
+    }
+
+    public void setId(Long id) {
+        this.id = id;
+    }
+
+    public Long getId() {
+        return id;
+    }
+
+    public void setFirstName(String firstName) {
+        this.firstName = firstName;
+    }
+
+    public void setLastName(String lastName) {
+        this.lastName = lastName;
+    }
+}

src/main/java/com/nisum/employeeservice/repository/EmployeeRepository.java

+package com.nisum.employeeservice.repository;
+
+import com.nisum.employeeservice.model.Employee;
+import org.springframework.data.jpa.repository.JpaRepository;
+import org.springframework.stereotype.Repository;
+
+@Repository
+public interface EmployeeRepository extends JpaRepository<Employee, Long> {
+}

src/main/java/com/nisum/employeeservice/service/EmployeeService.java

+package com.nisum.employeeservice.service;
+
+import com.nisum.employeeservice.model.Employee;
+import com.nisum.employeeservice.repository.EmployeeRepository;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.stereotype.Service;
+
+import java.util.List;
+import java.util.Optional;
+
+@Service
+public class EmployeeService {
+    @Autowired
+    EmployeeRepository employeeRepository;
+
+    public List<Employee> findAllEmployees(){
+        return employeeRepository.findAll();
+    }
+
+    public Employee addEmployee(Employee employee){
+        return employeeRepository.save(employee);
+    }
+
+    public Optional<Employee> getEmployeeById(Long employeeId) {
+        return employeeRepository.findById(employeeId);
+    }
+
+    public void deleteEmployee(Employee employee) {
+        employeeRepository.delete(employee);
+    }
+
+    public Employee updateEmployee(Employee oldEmployee, Employee newEmployee){
+        oldEmployee.setId(newEmployee.getId());
+        oldEmployee.setFirstName(newEmployee.getFirstName());
+        oldEmployee.setLastName(newEmployee.getLastName());
+        Employee updatedEmployee = employeeRepository.save(oldEmployee);
+        return updatedEmployee;
+    }
+}

src/main/resources/application.properties

+spring.datasource.url=jdbc:h2:mem:dataSource
+spring.datasource.driverClassName=org.h2.Driver
+spring.datasource.username=sa
+spring.datasource.password=
+spring.datasource.schema=classpath:employee.sql
+
+spring.jpa.database-platform=org.hibernate.dialect.H2Dialect
+spring.jpa.hibernate.ddl-auto=none
+
+spring.h2.console.enabled=true
+
+management.endpoint.beans.enabled=true
+management.endpoints.web.exposure.include=*
+
+info.app.name=Employee Service Application Actuator
\ No newline at end of file

src/main/resources/employee.sql

+DROP TABLE IF EXISTS EMPLOYEE;
+
+CREATE TABLE EMPLOYEE (
+    ID INT AUTO_INCREMENT PRIMARY KEY,
+    FIRST_NAME VARCHAR (255) NOT NULL,
+    LAST_NAME VARCHAR (255) NOT NULL
+);
+
+INSERT INTO EMPLOYEE VALUES (1, 'Eric', 'Arndt'), (2, 'Erica', 'Brandt'), (3, 'Guy', 'Incognito');
\ No newline at end of file

src/test/java/com/nisum/employeeservice/EmployeeserviceApplicationTests.java

+package com.nisum.employeeservice;
+
+import org.junit.jupiter.api.Test;
+import org.springframework.boot.test.context.SpringBootTest;
+
+@SpringBootTest
+class EmployeeserviceApplicationTests {
+
+	@Test
+	void contextLoads() {
+	}
+
+}