API例

gistfile1.java

@Controller
@RequestMapping(value = "/xxxApi/")
public class XxxController extends BaseController {
   
    @RequestMapping(value = "list", method = { RequestMethod.GET })
    @ResponseBody
    // 追加要望サイトの一覧を取得するAPI
    public ResponseEntity<String> list(HttpServletRequest request, Model model) {
        AddSiteInfoMeta e = AddSiteInfoMeta.get();
        // データストアから一覧を取得
        List<AddSiteInfo> lists = Datastore.query(AddSiteInfo.class).sortInMemory(e.version.desc).asList();

        ObjectMapper objectMapper = new ObjectMapper();
        String jsonp = objectMapper.writeValueAsString(lists);
        HttpHeaders headers = new HttpHeaders();
        headers.add("Content-type", "application/json; charset=utf-8");
        ResponseEntity<String> entity = new ResponseEntity<String>(jsonp, headers, HttpStatus.OK);
        return entity;
    }