/** * * Copyright 2014 The Darks ORM Project (Liu lihua) * * 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 darks.orm.web.context; import javax.servlet.http.HttpServletRequest; import javax.servlet.http.HttpSession; public class InternalRequestHolder implements RequestHolder { public static final ThreadLocal<ServletRequestAttributes> requestThreadLocal = new ThreadLocal<ServletRequestAttributes>(); public static InternalRequestHolder instance = null; public static InternalRequestHolder getInstance() { if (instance == null) { instance = new InternalRequestHolder(); } return instance; } private InternalRequestHolder() { } @Override public HttpServletRequest getRequest() { ServletRequestAttributes attributes = requestThreadLocal.get(); if (attributes == null) return null; return attributes.getRequest(); } @Override public HttpSession getSession() { ServletRequestAttributes attributes = requestThreadLocal.get(); if (attributes == null) return null; return attributes.getSession(true); } public void setRequest(HttpServletRequest request) { if (request == null) return; ServletRequestAttributes attributes = new ServletRequestAttributes(request); requestThreadLocal.set(attributes); } public void destory() { ServletRequestAttributes attributes = requestThreadLocal.get(); if (attributes != null) { attributes.requestCompleted(); requestThreadLocal.set(null); } } public void reset() { requestThreadLocal.set(null); } }