hello.TodoController.java Source code

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Here is the source code for hello.TodoController.java

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/*
 * Copyright 2014 the original author or authors.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package hello;

import java.io.IOException;

import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.http.HttpHeaders;
import org.springframework.http.HttpStatus;
import org.springframework.http.ResponseEntity;
import org.springframework.transaction.annotation.Transactional;
import org.springframework.web.bind.annotation.PathVariable;
import org.springframework.web.bind.annotation.RequestBody;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestMethod;
import org.springframework.web.bind.annotation.ResponseStatus;
import org.springframework.web.bind.annotation.RestController;

/**
 * @author Roy Clarkson
 * @author Craig Walls
 * @author Greg L. Turnquist
 */
@RestController
@RequestMapping("/todos")
public class TodoController {

    private TodoRepository repository;

    @Autowired
    public TodoController(TodoRepository repository) {
        this.repository = repository;
    }

    @RequestMapping(method = RequestMethod.GET, produces = "application/json")
    public ResponseEntity<Iterable<Todo>> list() {
        HttpHeaders headers = new HttpHeaders();
        headers.add("Accept-Patch", "application/json-patch+json");
        return new ResponseEntity<Iterable<Todo>>(repository.findAll(), headers, HttpStatus.OK);
    }

    @RequestMapping(method = RequestMethod.POST, consumes = "application/json", produces = "application/json")
    public Todo create(@RequestBody Todo todo) {
        return repository.save(todo);
    }

    @RequestMapping(value = "/{id}", method = RequestMethod.PUT, consumes = "application/json")
    @ResponseStatus(HttpStatus.NO_CONTENT)
    @Transactional
    public void update(@RequestBody Todo updatedTodo, @PathVariable("id") long id) throws IOException {
        if (id != updatedTodo.getId()) {
            repository.delete(id);
        }
        repository.save(updatedTodo);
    }

    @RequestMapping(value = "/{id}", method = RequestMethod.DELETE)
    @ResponseStatus(HttpStatus.NO_CONTENT)
    public void delete(@PathVariable("id") long id) {
        repository.delete(id);
    }

}