001/* 002 * (C) Copyright 2006-2011 Nuxeo SA (http://nuxeo.com/) and others. 003 * 004 * Licensed under the Apache License, Version 2.0 (the "License"); 005 * you may not use this file except in compliance with the License. 006 * You may obtain a copy of the License at 007 * 008 * http://www.apache.org/licenses/LICENSE-2.0 009 * 010 * Unless required by applicable law or agreed to in writing, software 011 * distributed under the License is distributed on an "AS IS" BASIS, 012 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 013 * See the License for the specific language governing permissions and 014 * limitations under the License. 015 * 016 * Contributors: 017 * bstefanescu 018 */ 019package org.nuxeo.ecm.webengine.jaxrs.session; 020 021import java.util.HashMap; 022import java.util.Map; 023 024import javax.servlet.http.HttpServletRequest; 025 026import org.nuxeo.ecm.core.api.CoreInstance; 027import org.nuxeo.ecm.core.api.CoreSession; 028 029/** 030 * @author <a href="mailto:bs@nuxeo.com">Bogdan Stefanescu</a> 031 */ 032public abstract class CoreSessionProvider<REF extends SessionRef> { 033 034 protected Map<String, REF> sessions; 035 036 protected CoreSessionProvider() { 037 this.sessions = new HashMap<String, REF>(); 038 } 039 040 /** 041 * The HTTP request was consumed. Do any request level cleanup now. 042 */ 043 protected abstract void onRequestDone(HttpServletRequest request); 044 045 protected abstract REF createSessionRef(CoreSession session); 046 047 public SessionRef[] getSessions() { 048 return sessions.values().toArray(new SessionRef[sessions.size()]); 049 } 050 051 public SessionRef getSessionRef(HttpServletRequest request, String repoName) { 052 REF ref = sessions.get(repoName); 053 if (ref == null) { 054 ref = createSessionRef(createSession(request, repoName)); 055 sessions.put(repoName, ref); 056 } 057 return ref; 058 } 059 060 public CoreSession getSession(HttpServletRequest request, String repoName) { 061 return getSessionRef(request, repoName).get(); 062 } 063 064 protected CoreSession createSession(HttpServletRequest request, String repoName) { 065 if (request.getUserPrincipal() == null) { 066 throw new java.lang.IllegalStateException("Not authenticated user is trying to get a core session"); 067 } 068 return CoreInstance.openCoreSession(repoName); 069 } 070 071 public boolean hasSessions() { 072 return !sessions.isEmpty(); 073 } 074 075 protected void destroy() { 076 for (SessionRef ref : getSessions()) { 077 ref.destroy(); 078 } 079 sessions = null; 080 } 081 082}