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‎spring-boot-update-example/LICENSE‎

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MIT License
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Copyright (c) 2017 Krzysztof Chruściel
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Permission is hereby granted, free of charge, to any person obtaining a copy
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of this software and associated documentation files (the "Software"), to deal
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in the Software without restriction, including without limitation the rights
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to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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copies of the Software, and to permit persons to whom the Software is
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furnished to do so, subject to the following conditions:
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The above copyright notice and this permission notice shall be included in all
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copies or substantial portions of the Software.
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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SOFTWARE.

‎spring-boot-update-example/README.md‎

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# spring-boot-update-example
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Spring Boot example of POST, PUT and PATCH methods.

‎spring-boot-update-example/pom.xml‎

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<?xml version="1.0" encoding="UTF-8"?>
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<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
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xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
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<modelVersion>4.0.0</modelVersion>
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<groupId>pl.codecouple.update</groupId>
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<artifactId>update-example</artifactId>
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<version>0.0.1-SNAPSHOT</version>
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<packaging>jar</packaging>
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<name>update-example</name>
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<description>Example of POST, PUT and PATCH method</description>
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<parent>
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<groupId>org.springframework.boot</groupId>
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<artifactId>spring-boot-starter-parent</artifactId>
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<version>1.5.3.RELEASE</version>
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<relativePath/> <!-- lookup parent from repository -->
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</parent>
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<properties>
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<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
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<project.reporting.outputEncoding>UTF-8</project.reporting.outputEncoding>
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<java.version>1.8</java.version>
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</properties>
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<dependencies>
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<dependency>
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<groupId>org.springframework.boot</groupId>
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<artifactId>spring-boot-starter-web</artifactId>
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</dependency>
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<dependency>
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<groupId>org.springframework.boot</groupId>
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<artifactId>spring-boot-starter-data-jpa</artifactId>
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</dependency>
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<dependency>
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<groupId>com.h2database</groupId>
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<artifactId>h2</artifactId>
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<version>1.4.192</version>
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</dependency>
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<dependency>
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<groupId>org.projectlombok</groupId>
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<artifactId>lombok</artifactId>
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<optional>true</optional>
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</dependency>
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<dependency>
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<groupId>org.springframework.boot</groupId>
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<artifactId>spring-boot-starter-test</artifactId>
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<scope>test</scope>
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</dependency>
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<dependency>
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<groupId>org.projectlombok</groupId>
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<artifactId>lombok</artifactId>
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<version>1.16.12</version>
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</dependency>
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</dependencies>
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<build>
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<plugins>
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<plugin>
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<groupId>org.springframework.boot</groupId>
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<artifactId>spring-boot-maven-plugin</artifactId>
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</plugin>
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</plugins>
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</build>
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</project>

‎spring-boot-update-example/src/main/java/pl/codecouple/update/UpdateExampleApplication.java‎

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package pl.codecouple.update;
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import org.springframework.boot.SpringApplication;
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import org.springframework.boot.autoconfigure.SpringBootApplication;
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@SpringBootApplication
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public class UpdateExampleApplication {
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public static void main(String[] args) {
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SpringApplication.run(UpdateExampleApplication.class, args);
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}
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}

‎spring-boot-update-example/src/main/java/pl/codecouple/update/todo/Todo.java‎

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package pl.codecouple.update.todo;
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import lombok.Data;
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import lombok.NoArgsConstructor;
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import org.springframework.util.Assert;
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import javax.persistence.Entity;
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import javax.persistence.GeneratedValue;
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import javax.persistence.Id;
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/**
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* Created by Krzysztof Chruściel.
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*/
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@Data
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@NoArgsConstructor
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@Entity
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public class Todo {
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@Id
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@GeneratedValue
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private Long id;
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private String title;
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private String description;
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public Todo(String title, String description) {
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Assert.notNull(title, "Title cannot be null!");
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Assert.hasLength(title, "Title cannot be empty!");
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Assert.notNull(description, "Description cannot be null!");
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Assert.hasLength(description, "Description cannot be empty!");
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this.title = title;
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this.description = description;
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}
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public Todo(Long id, String title, String description) {
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Assert.notNull(title, "Title cannot be null!");
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Assert.hasLength(title, "Title cannot be empty!");
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Assert.notNull(description, "Description cannot be null!");
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Assert.hasLength(description, "Description cannot be empty!");
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Assert.notNull(id, "ID cannot be null!");
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this.id = id;
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this.title = title;
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this.description = description;
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}
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}

‎spring-boot-update-example/src/main/java/pl/codecouple/update/todo/TodoController.java‎

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package pl.codecouple.update.todo;
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import org.springframework.http.HttpStatus;
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import org.springframework.http.ResponseEntity;
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import org.springframework.web.bind.annotation.*;
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import java.net.URI;
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import java.util.Map;
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/**
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* Created by Krzysztof Chruściel.
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*/
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@RestController
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@RequestMapping("/todos")
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public class TodoController {
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private final TodoService todoService;
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public TodoController(TodoService todoService) {
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this.todoService = todoService;
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}
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@PostMapping
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@ResponseStatus(value = HttpStatus.CREATED, reason = "Todo created!")
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public void addNewTodo(@RequestBody Todo todo){
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todoService.addNewTodo(todo);
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}
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@PutMapping("/{id}")
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public ResponseEntity<Void> updateTodo(@RequestBody Todo todo, @PathVariable Long id) throws TodoNotFound {
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Todo todoById = todoService.getTodoById(id);
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if(todoById == null){
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todoService.addNewTodo(todo);
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return ResponseEntity.created(URI.create(String.format("/todos/%d", id))).build();
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}
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todoService.update(todo);
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return ResponseEntity.noContent().build();
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}
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@PatchMapping("/{id}")
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@ResponseStatus(value = HttpStatus.NO_CONTENT, reason = "Todo partial updated!")
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public void updateTodo(@RequestBody Map<String, Object> updates, @PathVariable Long id) throws TodoNotFound {
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Todo todo = todoService.getTodoById(id);
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if (todo == null) {
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throw new TodoNotFound(String.format("Todo with ID %d not exists!", id));
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}
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partialUpdate(todo, updates);
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}
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private void partialUpdate(Todo todo, Map<String, Object> updates) {
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if (updates.containsKey("title")) {
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todo.setTitle((String) updates.get("title"));
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}
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if (updates.containsKey("description")) {
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todo.setDescription((String) updates.get("description"));
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}
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todoService.partialUpdated(todo);
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}
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}

‎spring-boot-update-example/src/main/java/pl/codecouple/update/todo/TodoNotFound.java‎

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package pl.codecouple.update.todo;
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import org.springframework.http.HttpStatus;
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import org.springframework.web.bind.annotation.ResponseStatus;
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/**
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* Created by Krzysztof Chruściel.
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*/
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@ResponseStatus(HttpStatus.NOT_FOUND)
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public class TodoNotFound extends Exception {
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public TodoNotFound() {
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super("Todo not found!");
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}
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public TodoNotFound(String message) {
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super(message);
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}
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}

‎spring-boot-update-example/src/main/java/pl/codecouple/update/todo/TodoRepository.java‎

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package pl.codecouple.update.todo;
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import org.springframework.data.jpa.repository.JpaRepository;
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import org.springframework.stereotype.Repository;
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/**
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* Created by Krzysztof Chruściel.
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*/
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@Repository
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public interface TodoRepository extends JpaRepository<Todo, Long>{
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}

‎spring-boot-update-example/src/main/java/pl/codecouple/update/todo/TodoService.java‎

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package pl.codecouple.update.todo;
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import org.springframework.stereotype.Service;
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/**
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* Created by Krzysztof Chruściel.
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*/
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@Service
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public class TodoService {
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private final TodoRepository todoRepository;
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public TodoService(TodoRepository todoRepository) {
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this.todoRepository = todoRepository;
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}
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public void addNewTodo(Todo todo) {
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todoRepository.save(todo);
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}
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public void update(Todo todo) {
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todoRepository.save(todo);
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}
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public Todo getTodoById(Long id){
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return todoRepository.findOne(id);
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}
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public void partialUpdated(Todo todo) {
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todoRepository.save(todo);
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}
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}

‎spring-boot-update-example/src/main/resources/application.properties‎

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#SERVER
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server.port=8081

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