net.jkratz.igdb.controller.GenreController.java Source code

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Here is the source code for net.jkratz.igdb.controller.GenreController.java

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/*
 * Copyright 2002-2014 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 net.jkratz.igdb.controller;

import java.util.List;

import javax.inject.Inject;

import net.jkratz.igdb.model.Genre;
import net.jkratz.igdb.repository.GenreRepository;

import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.http.HttpStatus;
import org.springframework.http.ResponseEntity;
import org.springframework.web.bind.annotation.PathVariable;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestMethod;
import org.springframework.web.bind.annotation.RestController;

/**
 * IGDB
 * Genre Controller
 * 
 * @author Joseph Kratz
 * @author Okan Kaya
 * 
 * Handles HTTP requests for Genres 
 */
@RestController
@RequestMapping(produces = "application/json", value = "/genre")
public class GenreController {

    @Inject
    GenreRepository genreRepository;

    private Logger logger = LoggerFactory.getLogger(getClass());

    /**
      * Returns all genres in database
      * 
      * @return List of Genre objects
      * @see Genre
      */
    @RequestMapping(value = { "", "/" }, method = RequestMethod.GET)
    public ResponseEntity<List<Genre>> getGenres() {
        List<Genre> genres = genreRepository.findAll();

        return new ResponseEntity<>(genres, HttpStatus.OK);
    }

    /**
     * Returns a single genre object if exists, otherwise returns HTTP status code 404
     *
     * @param id ID of the Genre
     * @return Genre when found
     * @see Genre
     */
    @RequestMapping(value = "/{id}", method = RequestMethod.GET)
    public ResponseEntity<?> getGenre(@PathVariable("id") Long id) {
        logger.debug("Attempting to fetch genre with ID: {}", id);
        Genre genre = genreRepository.findOne(id);

        if (genre == null) {
            return new ResponseEntity<>("Genre not found", HttpStatus.NOT_FOUND);
        } else {
            return new ResponseEntity<>(genre, HttpStatus.OK);
        }
    }

}