Java tutorial
/* * This file is part of Bootlace. * * Copyright (C) 2015 * Caprica Software Limited (capricasoftware.co.uk) * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ package uk.co.caprica.bootlace.data; import org.slf4j.Logger; import org.slf4j.LoggerFactory; import org.springframework.data.domain.AuditorAware; import org.springframework.security.core.Authentication; import org.springframework.security.core.context.SecurityContextHolder; /** * Implementation of an auditor component that uses the username of the currently authenticated * user. */ public class UsernameAuditor implements AuditorAware<String> { /** * Log. */ private final Logger logger = LoggerFactory.getLogger(UsernameAuditor.class); @Override public String getCurrentAuditor() { logger.debug("getCurrentAuditor()"); Authentication authentication = SecurityContextHolder.getContext().getAuthentication(); String result; if (authentication != null && authentication.isAuthenticated()) { result = authentication.getName(); } else { result = null; } logger.debug("result={}", result); return result; } }