Java tutorial
/* * Copyright 2014-2016 the original author or authors. * * 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 docs.security; import org.springframework.beans.factory.annotation.Autowired; import org.springframework.context.annotation.Bean; import org.springframework.context.annotation.Configuration; import org.springframework.security.config.annotation.web.builders.HttpSecurity; import org.springframework.security.config.annotation.web.configuration.WebSecurityConfigurerAdapter; import org.springframework.session.ExpiringSession; import org.springframework.session.FindByIndexNameSessionRepository; import org.springframework.session.security.SpringSessionBackedSessionRegistry; /** * @author Joris Kuipers */ // tag::class[] @Configuration public class SecurityConfiguration extends WebSecurityConfigurerAdapter { @Autowired FindByIndexNameSessionRepository<ExpiringSession> sessionRepository; @Override protected void configure(HttpSecurity http) throws Exception { http // other config goes here... .sessionManagement().maximumSessions(2).sessionRegistry(sessionRegistry()); } @Bean SpringSessionBackedSessionRegistry sessionRegistry() { return new SpringSessionBackedSessionRegistry(this.sessionRepository); } } // end::class[]