package org.springframework.samples.petclinic.validation; import org.springframework.samples.petclinic.Owner; import org.springframework.util.StringUtils; import org.springframework.validation.Errors; import org.springframework.validation.ValidationUtils; import org.springframework.validation.Validator; /** * <code>Validator</code> for <code>Owner</code> forms. * * @author Ken Krebs * @author Juergen Hoeller */ public class OwnerValidator implements Validator { public boolean supports(Class clazz) { return Owner.class.isAssignableFrom(clazz); } public void validate(Object obj, Errors errors) { Owner owner = (Owner) obj; ValidationUtils.rejectIfEmpty(errors, "firstName", "required", "required"); ValidationUtils.rejectIfEmpty(errors, "lastName", "required", "required"); ValidationUtils.rejectIfEmpty(errors, "address", "required", "required"); ValidationUtils.rejectIfEmpty(errors, "city", "required", "required"); String telephone = owner.getTelephone(); if (!StringUtils.hasLength(telephone)) { errors.rejectValue("telephone", "required", "required"); } else { for (int i = 0; i < telephone.length(); ++i) { if ((Character.isDigit(telephone.charAt(i))) == false) { errors.rejectValue("telephone", "nonNumeric", "non-numeric"); break; } } } } }