/**
* Copyright (C) 2011 JTalks.org Team
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
package org.jtalks.jcommune.web.validation.validators;
import org.jtalks.jcommune.model.entity.JCUser;
import org.jtalks.jcommune.service.UserService;
import org.jtalks.jcommune.web.validation.annotations.NotMe;
import org.springframework.beans.factory.annotation.Autowired;
import javax.validation.ConstraintValidator;
import javax.validation.ConstraintValidatorContext;
/**
* Validates field with a username set if it matches the current user
* logged in. The main intention here is to disallow for user to set
* it's own name as a field value.
*/
public class NotMeValidator implements ConstraintValidator<NotMe, String> {
private UserService service;
/**
* @param userService to get the current user
*/
@Autowired
public NotMeValidator(UserService userService) {
this.service = userService;
}
/**
* {@inheritDoc}
*/
@Override
public void initialize(NotMe constraintAnnotation) {
//no configuration is required
}
/**
* @param value filed value to be validated
* @param context validator context, not used here
* @return true if user specified is not the current one logged in
*/
@Override
public boolean isValid(String value, ConstraintValidatorContext context) {
JCUser user = service.getCurrentUser();
return user.isAnonymous() || !user.getUsername().equalsIgnoreCase(value);
}
}