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.CloseableCoreSession; 027import org.nuxeo.ecm.core.api.CoreInstance; 028import org.nuxeo.ecm.core.api.CoreSession; 029 030/** 031 * @author <a href="mailto:bs@nuxeo.com">Bogdan Stefanescu</a> 032 */ 033public abstract class CoreSessionProvider<REF extends SessionRef> { 034 035 protected Map<String, REF> sessions; 036 037 protected CoreSessionProvider() { 038 this.sessions = new HashMap<String, REF>(); 039 } 040 041 /** 042 * The HTTP request was consumed. Do any request level cleanup now. 043 */ 044 protected abstract void onRequestDone(HttpServletRequest request); 045 046 protected abstract REF createSessionRef(CloseableCoreSession session); 047 048 public SessionRef[] getSessions() { 049 return sessions.values().toArray(new SessionRef[sessions.size()]); 050 } 051 052 public SessionRef getSessionRef(HttpServletRequest request, String repoName) { 053 REF ref = sessions.get(repoName); 054 if (ref == null) { 055 ref = createSessionRef(createSession(request, repoName)); 056 sessions.put(repoName, ref); 057 } 058 return ref; 059 } 060 061 public CoreSession getSession(HttpServletRequest request, String repoName) { 062 return getSessionRef(request, repoName).get(); 063 } 064 065 protected CloseableCoreSession createSession(HttpServletRequest request, String repoName) { 066 if (request.getUserPrincipal() == null) { 067 throw new java.lang.IllegalStateException("Not authenticated user is trying to get a core session"); 068 } 069 return CoreInstance.openCoreSession(repoName); 070 } 071 072 public boolean hasSessions() { 073 return !sessions.isEmpty(); 074 } 075 076 protected void destroy() { 077 for (SessionRef ref : getSessions()) { 078 ref.destroy(); 079 } 080 sessions = null; 081 } 082 083}