An annotated spring mvc controller snippet offering restful json services

spring-mvc-annotations-controller.java

@Controller
@RequestMapping(value="/recipe")
public class RecipeController extends BaseController implements Serializable {
	private static final long serialVersionUID = 1L;
	private static final Logger log = LoggerFactory.getLogger(RecipeController.class);

	@Autowired
	private IRecipeService recipeService;

	@Autowired
	private IYeastService yeastService;

	/**
	 * Default constructor
	 */
	public RecipeController() {
	}

	@RequestMapping(method = {RequestMethod.GET})
	public @ResponseBody ServiceResultWrapper<Recipe> SearchRecipes(@ModelAttribute RecipeCriteria criteria)
	{
		return new ServiceResultWrapper(this.recipeService.search(criteria), true, "Search successful", criteria.getTotal());
	}

	@RequestMapping(method = RequestMethod.POST)
	public @ResponseBody ServiceResultWrapper<List<Recipe>> addRecipes(@RequestBody RecipeListInput recipeListInput)
	{

		List<Recipe> recipes = recipeListInput.getItems();
		//
		//some reasonable defaults
		ServiceResultWrapper<List<Recipe>> result = new ServiceResultWrapper<List<Recipe>>(null, true, "Recipe(s) saved successfully", 0);

		//
		//Validate this entity
		this.validateEntities(result, recipes);

		if (!result.getSuccess()){
			return result;
		}

		try {

			//
			//Must send back all data including generated PK for UI grids to synch up
			for (Recipe r : recipes){
				//
				//Load the recipe from db
				if (!StringUtils.isEmpty(r.getYeastName())){
					r.setYeast(this.yeastService.findByName(r.getYeastName()).get(0));
				}
				recipeService.insert(r);
			}

			result.setItem(recipes);

		}
		catch(Exception e){
			log.error("error", e);
			result.setSuccess(false);
			result.setMessage(e.getMessage());
			result.setItem(recipes);
		}

		return result;
	}