001/* 002 * Copyright (c) 2006-2011 Nuxeo SA (http://nuxeo.com/) and others. 003 * 004 * All rights reserved. This program and the accompanying materials 005 * are made available under the terms of the Eclipse Public License v1.0 006 * which accompanies this distribution, and is available at 007 * http://www.eclipse.org/legal/epl-v10.html 008 * 009 * Contributors: 010 * bstefanescu 011 */ 012package org.nuxeo.ecm.webengine.jaxrs.session; 013 014import javax.servlet.http.HttpServletRequest; 015import javax.servlet.http.HttpSession; 016 017import org.nuxeo.ecm.core.api.CoreSession; 018import org.nuxeo.ecm.webengine.jaxrs.context.RequestContext; 019import org.nuxeo.ecm.webengine.jaxrs.session.impl.PerRequestCoreProvider; 020 021/** 022 * @author <a href="mailto:bs@nuxeo.com">Bogdan Stefanescu</a> 023 */ 024public class SessionFactory { 025 026 public static final String SESSION_FACTORY_KEY = SessionFactory.class.getName(); 027 028 private static volatile String defaultRepository = "default"; 029 030 public static void setDefaultRepository(String repoName) { 031 defaultRepository = repoName; 032 } 033 034 public static String getRepositoryName(HttpServletRequest request) { 035 String v = request.getHeader("X-NXRepository"); 036 if (v == null) { 037 v = request.getParameter("nxrepository"); 038 } 039 return v != null ? v : defaultRepository; 040 } 041 042 public static CoreSessionProvider<?> getCoreProvider(HttpServletRequest request) { 043 CoreSessionProvider<?> provider = (CoreSessionProvider<?>) request.getAttribute(SESSION_FACTORY_KEY); 044 if (provider == null) { 045 HttpSession s = request.getSession(false); 046 if (s != null) { 047 provider = (CoreSessionProvider<?>) s.getAttribute(SESSION_FACTORY_KEY); 048 } 049 if (provider == null) { 050 provider = new PerRequestCoreProvider(); 051 } 052 request.setAttribute(SESSION_FACTORY_KEY, provider); 053 } 054 return provider; 055 } 056 057 public static void dispose(HttpServletRequest request) { 058 CoreSessionProvider<?> provider = (CoreSessionProvider<?>) request.getAttribute(SESSION_FACTORY_KEY); 059 if (provider != null) { 060 request.removeAttribute(SESSION_FACTORY_KEY); 061 provider.onRequestDone(request); 062 } 063 } 064 065 public static CoreSession getSession() { 066 RequestContext ctx = RequestContext.getActiveContext(); 067 if (ctx == null) { 068 throw new IllegalStateException( 069 "You are trying to acces RequestContext data but you are not in web request a context. Make sure you have the RequestContextFilter installed and you call this method from the HTTP request thread"); 070 } 071 return getSession(ctx.getRequest()); 072 } 073 074 public static CoreSession getSession(String repositoryName) { 075 RequestContext ctx = RequestContext.getActiveContext(); 076 if (ctx == null) { 077 throw new IllegalStateException( 078 "You are trying to acces RequestContext data but you are not in web request a context. Make sure you have the RequestContextFilter installed and you call this method from the HTTP request thread"); 079 } 080 return getSession(ctx.getRequest(), repositoryName); 081 } 082 083 public static CoreSession getSession(HttpServletRequest request) { 084 return getSession(request, getRepositoryName(request)); 085 } 086 087 public static CoreSession getSession(HttpServletRequest request, String repositoryName) { 088 return getCoreProvider(request).getSession(request, repositoryName); 089 } 090 091 public static SessionRef getSessionRef(HttpServletRequest request) { 092 return getSessionRef(request, getRepositoryName(request)); 093 } 094 095 public static SessionRef getSessionRef(HttpServletRequest request, String repositoryName) { 096 return getCoreProvider(request).getSessionRef(request, repositoryName); 097 } 098 099}