/*
* The MIT License (MIT)
*
* Copyright (c) 2013 Brien L. Wheeler (brienwheeler@yahoo.com)
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
package com.brienwheeler.svc.users.validation;
import javax.validation.ConstraintValidator;
import javax.validation.ConstraintValidatorContext;
import org.springframework.beans.BeansException;
import org.springframework.context.ApplicationContext;
import org.springframework.context.ApplicationContextAware;
import org.springframework.util.StringUtils;
import com.brienwheeler.lib.email.EmailAddress;
import com.brienwheeler.svc.users.IUserEmailAddressService;
public class EmailAddressNotExistValidator implements ConstraintValidator<EmailAddressNotExist, String>,
ApplicationContextAware
{
private ApplicationContext applicationContext;
private EmailAddressNotExist constraintAnnotation;
@Override
public void setApplicationContext(ApplicationContext applicationContext)
throws BeansException
{
this.applicationContext = applicationContext;
}
@Override
public void initialize(EmailAddressNotExist constraintAnnotation)
{
this.constraintAnnotation = constraintAnnotation;
}
@Override
public boolean isValid(String value, ConstraintValidatorContext context)
{
if (!StringUtils.hasText(value))
return !constraintAnnotation.failOnEmpty();
if (!EmailAddress.isValid(value))
return true; // invalid email addresses don't exist in the system
IUserEmailAddressService userEmailAddressService = applicationContext.getBean(constraintAnnotation.userEmailAddressService(),
IUserEmailAddressService.class);
return userEmailAddressService.findByEmailAddress(new EmailAddress(value)) == null;
}
}