Validators v = new Validators(request);
v.add(
"startWeek",
v.required(),
v.integerType(),
v.longRange(START_WEEK_MIN, START_WEEK_MAX));
v.add("keyword", v.maxlength(KEYWORD_MAX_LENGTH));
if (!v.validate()) {
response.setStatus(UNAUTHORIZED);
Errors errors = v.getErrors();
StringBuilder sb = new StringBuilder();