public class MyFormValidator implements Validator {
@Override
public boolean supports(Class clazz) {
return MyForm.class.equals(clazz);
}
@Override
public void validate(Object target, Errors errors) {
MyForm myForm = (MyForm) target;
for (int i = 0; i < myForm.getListObjects().size(); i++) {
TypeA typeA = myForm.getListObjects().get(i);
if(typeAHasAnErrorOnNumber) {
errors.rejectValue("listObjects[" + i + "].number", "your_error_code");
}
...
}
...
}
}
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