Java tutorial
/** * The MIT License (MIT) * * Copyright (c) 2015 Alexey Saenko * * 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.datapine.aop; import com.jcabi.log.Logger; import javax.servlet.http.HttpServletRequest; import org.aspectj.lang.JoinPoint; import org.aspectj.lang.annotation.After; import org.aspectj.lang.annotation.Aspect; import org.aspectj.lang.annotation.Before; import org.springframework.security.core.Authentication; import org.springframework.stereotype.Component; /** * Logging aspect. * * @author Alexey Saenko (alexey.saenko@gmail.com) * @version $Id$ */ @Aspect @Component public class LoggingAspect { /** * Logs an attempt to login by a user. * @param join Method UserDetailsServiceImpl#loadUserByUsername(...). * @checkstyle LineLengthCheck (2 lines) */ @Before("execution(* com.datapine.service.impl.UserDetailsServiceImpl.loadUserByUsername(..))") public final void loginAttempt(final JoinPoint join) { Logger.info(this, "User '%s' tries to log in", join.getArgs()[0]); } /** * Logs a successful attempt to login by a user. * @param join Method * SimpleUrlAuthenticationSuccessHandler#onAuthenticationSuccess(...). * @checkstyle LineLengthCheck (2 lines) */ @After("execution(* org.springframework.security.web.authentication.SimpleUrlAuthenticationSuccessHandler.onAuthenticationSuccess(..))") public final void loginSucceeded(final JoinPoint join) { final Authentication auth = (Authentication) join.getArgs()[2]; Logger.info(this, "Login of the user '%s' succeeds with authorities %s", auth.getName(), auth.getAuthorities()); } /** * Logs an unsuccessful attempt to login by a user. * @param join Method * SimpleUrlAuthenticationFailureHandler#onAuthenticationFailure(...). * @checkstyle LineLengthCheck (2 lines) */ @After("execution(* org.springframework.security.web.authentication.SimpleUrlAuthenticationFailureHandler.onAuthenticationFailure(..))") public final void loginFailed(final JoinPoint join) { Logger.info(this, "Login of the user '%s' failed", ((HttpServletRequest) join.getArgs()[0]).getParameter("j_username")); } }