/*******************************************************************************
* Copyright (c) 2015 Development Gateway, Inc and others.
*
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the MIT License (MIT)
* which accompanies this distribution, and is available at
* https://opensource.org/licenses/MIT
*
* Contributors:
* Development Gateway - initial API and implementation
*******************************************************************************/
package org.devgateway.toolkit.persistence.dao;
import org.springframework.data.domain.AuditorAware;
import org.springframework.security.core.Authentication;
import org.springframework.security.core.context.SecurityContextHolder;
import org.springframework.stereotype.Component;
/**
*
* This is a bean that reads the auditor information which is used to audit the
* JPA entities
*
* @author mihai
*
*/
@Component
public class AuditorAwareImpl implements AuditorAware<String> {
@Override
public String getCurrentAuditor() {
if (SecurityContextHolder.getContext().getAuthentication() == null) {
return null;
}
Authentication authentication = SecurityContextHolder.getContext().getAuthentication();
if (authentication == null) {
return null;
}
final Object principal = authentication.getPrincipal();
if (principal instanceof Person) {
return ((Person) principal).getUsername();
}
return null;
}
}