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19 package org.apache.shiro.samples.sprhib.web;
20
21 import org.apache.shiro.util.StringUtils;
22 import org.springframework.validation.Errors;
23 import org.springframework.validation.ValidationUtils;
24 import org.springframework.validation.Validator;
25
26 import java.util.regex.Pattern;
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30
31 public class EditUserValidator implements Validator {
32
33 private static final String SIMPLE_EMAIL_REGEX = "[A-Z0-9._%+-]+@[A-Z0-9.-]+\\.[A-Z]{2,4}";
34
35 public boolean supports(Class aClass) {
36 return EditUserCommand.class.isAssignableFrom(aClass);
37 }
38
39 public void validate(Object o, Errors errors) {
40 EditUserCommand command = (EditUserCommand)o;
41 ValidationUtils.rejectIfEmptyOrWhitespace(errors, "username", "error.username.empty", "Please specify a username.");
42 ValidationUtils.rejectIfEmptyOrWhitespace(errors, "email", "error.email.empty", "Please specify an email address.");
43 if( StringUtils.hasText( command.getEmail() ) && !Pattern.matches( SIMPLE_EMAIL_REGEX, command.getEmail().toUpperCase() ) ) {
44 errors.rejectValue( "email", "error.email.invalid", "Please enter a valid email address." );
45 }
46 }
47
48 }