com.brunomcustodio.dojo.springboot.BookServiceController.java Source code

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Here is the source code for com.brunomcustodio.dojo.springboot.BookServiceController.java

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// Copyright 2014 Bruno M. Custdio
//
// 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 com.brunomcustodio.dojo.springboot;

import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.dao.EmptyResultDataAccessException;
import org.springframework.http.HttpStatus;
import org.springframework.web.bind.annotation.*;

import javax.validation.Valid;

@RequestMapping("/books")
@RestController
public class BookServiceController {
    @Autowired
    private BookRepository repository;

    @RequestMapping(value = "/", method = RequestMethod.GET)
    public Iterable<Book> findBooks() {
        return repository.findAll();
    }

    @RequestMapping(value = "/", method = RequestMethod.POST)
    @ResponseStatus(HttpStatus.CREATED)
    public Book createBook(@RequestBody @Valid Book book) {
        return repository.save(book);
    }

    @RequestMapping(value = "/{id}", method = RequestMethod.DELETE)
    @ResponseStatus(HttpStatus.NO_CONTENT)
    public void deleteBook(@PathVariable("id") int id) {
        try {
            repository.delete(id);
        } catch (EmptyResultDataAccessException ex) {
            throw new BookNotFoundException(ex);
        }
    }

    @RequestMapping(value = "/{id}", method = RequestMethod.GET)
    public Book findBook(@PathVariable("id") int id) {
        Book result = repository.findOne(id);

        if (result != null) {
            return result;
        } else {
            throw new BookNotFoundException();
        }
    }

    @RequestMapping(value = "/{id}", method = RequestMethod.PUT)
    public Book updateBook(@PathVariable("id") int id, @RequestBody @Valid Book book) {
        Book target = repository.findOne(id);

        if (target != null) {
            book.setId(id);
            return repository.save(book);
        } else {
            throw new BookNotFoundException();
        }
    }
}