public String addQuestionThroughForm() throws IOException {
if (idTaskAddQuestion < 1) {
addFieldError("warning", "Select task and then add questions");
return INPUT;
}
SessionFactory sessionFactory = (SessionFactory) servletContext.getAttribute("SessionFactory");
try {
task = new TaskDaoImpl(sessionFactory).getTask(idTaskAddQuestion);
} catch (Exception e) {
e.printStackTrace();
return INPUT;
}
if (hasFieldErrors()) {
return ERROR;
}
if (fileImage != null) {
Path imagePath = Paths.get(fileImage.getAbsolutePath());
InputStream io = Files.newInputStream(imagePath);
question.setImage(IOUtils.toByteArray(io));
}
question.setTask(task);
ValidatorFactory validatorFactory =
(ValidatorFactory) servletContext.getAttribute("ValidatorFactory");
Validator validator = validatorFactory.getValidator();
Set<ConstraintViolation<Question>> constraintViolations = validator.validate(question);
if (!constraintViolations.isEmpty()) {
for (ConstraintViolation item : constraintViolations) {
addFieldError("warning", "Question validate error. " + item.getMessage());
}
return ERROR;
}
if (!parseVariants(question)) {
return ERROR;
}
try {
task = new TaskDaoImpl(sessionFactory).addQuestion(idTaskAddQuestion, question);
addFieldError("success", "Question was added!");
question = null;
return SUCCESS;
} catch (Exception e) {
addFieldError("warning", e.getMessage());
return ERROR;
}
}
private boolean parseVariants(Question question) {
if (question.getType().equals(QuestionType.SINGLE_SELECT)
|| question.getType().equals(QuestionType.MULTI_SELECT)) {
int emptyVariant = 0;
if (question.getVariant1().equals("")) {
emptyVariant++;
question.setVariant1(null);
}
if (question.getVariant2().equals("")) {
emptyVariant++;
question.setVariant2(null);
}
if (question.getVariant3().equals("")) {
emptyVariant++;
question.setVariant3(null);
}
if (question.getVariant4().equals("")) {
emptyVariant++;
question.setVariant4(null);
}
if (question.getVariant5().equals("")) {
emptyVariant++;
question.setVariant5(null);
}
if (question.getVariant6().equals("")) {
emptyVariant++;
question.setVariant6(null);
}
if (question.getVariant7().equals("")) {
emptyVariant++;
question.setVariant7(null);
}
if (question.getVariant8().equals("")) {
emptyVariant++;
question.setVariant8(null);
}
if (emptyVariant > 6) {
addFieldError(
"warning",
"At least two variants for the question types "
+ "'SINGLE SELECT' and 'MULTI SELECT' should be");
return false;
}
}
if (question.getType().equals(QuestionType.MULTI_SELECT)) {
if (question.getAnswerRight().contains("@@@@@@@@")
|| question.getAnswerRight().endsWith("@@@@")
|| question.getAnswerRight().startsWith("@@@@")
|| question.getAnswerRight().length() == 0) {
addFieldError("warning", "One of answers is empty");
return false;
}
}
return true;
}