/*
* 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.usergroups.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.svc.usergroups.IUserGroupService;
public class UserGroupNotExistValidator implements ConstraintValidator<UserGroupNotExist, String>,
ApplicationContextAware
{
private ApplicationContext applicationContext;
private UserGroupNotExist constraintAnnotation;
@Override
public void setApplicationContext(ApplicationContext applicationContext)
throws BeansException
{
this.applicationContext = applicationContext;
}
@Override
public void initialize(UserGroupNotExist constraintAnnotation)
{
this.constraintAnnotation = constraintAnnotation;
}
@Override
public boolean isValid(String value, ConstraintValidatorContext context)
{
if (!StringUtils.hasText(value))
return !constraintAnnotation.failOnEmpty();
IUserGroupService userGroupService = applicationContext.getBean(constraintAnnotation.userGroupService(), IUserGroupService.class);
return userGroupService.findByNameAndType(value, constraintAnnotation.groupType()) == null;
}
}