Java tutorial
package org.smigo.user.authentication; /* * #%L * Smigo * %% * Copyright (C) 2015 Christian Nilsson * %% * This program 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 3 of the * License, or (at your option) any later version. * * This program 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 General Lesser Public License for more details. * * You should have received a copy of the GNU General Lesser Public * License along with this program. If not, see * <http://www.gnu.org/licenses/lgpl-3.0.html>. * #L% */ import org.slf4j.Logger; import org.slf4j.LoggerFactory; import org.springframework.security.core.Authentication; import org.springframework.security.web.authentication.AuthenticationSuccessHandler; import org.springframework.stereotype.Component; import javax.servlet.ServletException; import javax.servlet.http.HttpServletRequest; import javax.servlet.http.HttpServletResponse; import java.io.IOException; @Component class EmptyAuthenticationSuccessHandler implements AuthenticationSuccessHandler { private final Logger log = LoggerFactory.getLogger(getClass()); @Override public void onAuthenticationSuccess(HttpServletRequest request, HttpServletResponse response, Authentication authentication) throws IOException, ServletException { log.info("Successful authentication by " + authentication.getPrincipal()); } }