001 /* 002 * Copyright 2008-2009 the original author or authors. 003 * The contents of this file are subject to the Mozilla Public License 004 * Version 1.1 (the "License"); you may not use this file except in 005 * compliance with the License. You may obtain a copy of the License at 006 * http://www.mozilla.org/MPL/ 007 * 008 * Software distributed under the License is distributed on an "AS IS" 009 * basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See the 010 * License for the specific language governing rights and limitations 011 * under the License. 012 */ 013 014 package com.mtgi.analytics.servlet; 015 016 import org.springframework.web.context.request.RequestContextHolder; 017 import org.springframework.web.context.request.RequestContextListener; 018 import org.springframework.web.context.request.ServletRequestAttributes; 019 020 import com.mtgi.analytics.SessionContext; 021 022 /** 023 * The default {@link SessionContext} implementation for web applications, which uses Spring request context 024 * to lookup user name and session ID. Requires that the spring {@link RequestContextListener} is registered 025 * in the web application. 026 */ 027 public class SpringSessionContext implements SessionContext { 028 029 public String getContextSessionId() { 030 ServletRequestAttributes attributes = (ServletRequestAttributes)RequestContextHolder.getRequestAttributes(); 031 return attributes == null ? null : attributes.getSessionId(); 032 } 033 034 public String getContextUserId() { 035 ServletRequestAttributes attributes = (ServletRequestAttributes)RequestContextHolder.getRequestAttributes(); 036 return attributes == null ? null : attributes.getRequest().getRemoteUser(); 037 } 038 039 }