package org.packt.personal.web.portal.validator; import org.packt.personal.web.portal.model.form.Home; import org.springframework.stereotype.Component; import org.springframework.validation.Errors; import org.springframework.validation.ValidationUtils; import org.springframework.validation.Validator; @Component("indexValidator") public class IndexValidator implements Validator{ @Override public boolean supports(Class<?> clazz) { return Home.class.equals(clazz); } @Override public void validate(Object obj, Errors errors) { Home homeForm = (Home) obj; ValidationUtils.rejectIfEmptyOrWhitespace(errors, "message", "message.empty"); ValidationUtils.rejectIfEmptyOrWhitespace(errors, "quote", "quote.empty"); if(homeForm.getMessage().length() > 500){ errors.rejectValue("message", "message.maxlength"); } if(homeForm.getMessage().length() < 50){ errors.rejectValue("message", "message.minlength"); } if(homeForm.getQuote().length() > 500){ errors.rejectValue("quote", "quote.maxlength"); } if(homeForm.getQuote().length() < 50){ errors.rejectValue("quote", "quote.minlength"); } } }