001/* 002 * (C) Copyright 2006-2008 Nuxeo SAS (http://nuxeo.com/) and contributors. 003 * 004 * All rights reserved. This program and the accompanying materials 005 * are made available under the terms of the GNU Lesser General Public License 006 * (LGPL) version 2.1 which accompanies this distribution, and is available at 007 * http://www.gnu.org/licenses/lgpl.html 008 * 009 * This library is distributed in the hope that it will be useful, 010 * but WITHOUT ANY WARRANTY; without even the implied warranty of 011 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 012 * Lesser General Public License for more details. 013 * 014 * Contributors: 015 * Razvan Caraghin 016 * Olivier Grisel 017 * Thierry Delprat 018 * Florent Guillaume 019 */ 020 021package org.nuxeo.ecm.webapp.delegate; 022 023import static org.jboss.seam.ScopeType.CONVERSATION; 024 025import java.io.Serializable; 026import java.util.HashMap; 027import java.util.Map; 028import java.util.Map.Entry; 029 030import javax.annotation.security.PermitAll; 031import javax.security.auth.login.LoginContext; 032import javax.security.auth.login.LoginException; 033 034import org.apache.commons.logging.Log; 035import org.apache.commons.logging.LogFactory; 036import org.jboss.seam.Component; 037import org.jboss.seam.annotations.Destroy; 038import org.jboss.seam.annotations.Name; 039import org.jboss.seam.annotations.Scope; 040import org.jboss.seam.annotations.Unwrap; 041import org.jboss.seam.contexts.Lifecycle; 042import org.nuxeo.ecm.core.api.CoreInstance; 043import org.nuxeo.ecm.core.api.CoreSession; 044import org.nuxeo.ecm.core.api.repository.Repository; 045import org.nuxeo.ecm.platform.util.RepositoryLocation; 046import org.nuxeo.runtime.api.Framework; 047 048/** 049 * Acquires a {@link CoreSession} connection. 050 * 051 * @author Razvan Caraghin 052 * @author Olivier Grisel 053 * @author Thierry Delprat 054 * @author Florent Guillaume 055 */ 056@Name("documentManager") 057@Scope(CONVERSATION) 058public class DocumentManagerBusinessDelegate implements Serializable { 059 060 private static final long serialVersionUID = 1L; 061 062 private static final Log log = LogFactory.getLog(DocumentManagerBusinessDelegate.class); 063 064 /** 065 * Map holding the open session for each repository location. 066 */ 067 protected final Map<RepositoryLocation, CoreSession> sessions = new HashMap<RepositoryLocation, CoreSession>(); 068 069 public void initialize() { 070 log.debug("Seam component initialized..."); 071 } 072 073 @Unwrap 074 public CoreSession getDocumentManager() { 075 /* 076 * Explicit lookup, as this method is the only user of the Seam component. Also, in some cases (Seam remoting), 077 * it seems that the injection is not done correctly. 078 */ 079 RepositoryLocation currentServerLocation = (RepositoryLocation) Component.getInstance("currentServerLocation"); 080 return getDocumentManager(currentServerLocation); 081 } 082 083 public CoreSession getDocumentManager(RepositoryLocation serverLocation) { 084 085 if (serverLocation == null) { 086 /* 087 * currentServerLocation (factory in ServerContextBean) is set through navigationContext, which itself 088 * injects documentManager, so it will be null the first time. 089 */ 090 return null; 091 } 092 093 CoreSession session = sessions.get(serverLocation); 094 if (session == null) { 095 if (Lifecycle.isDestroying()) { 096 /* 097 * During Seam component destroy phases, we don't want to recreate a core session just for injection. 098 * This happens during logout when the session context is destroyed; we don't want to cause EJB calls in 099 * this case as the authentication wouldn't work. 100 */ 101 return null; 102 } 103 String serverName = serverLocation.getName(); 104 session = CoreInstance.openCoreSession(serverName); 105 log.debug("Opened session for repository " + serverName); 106 sessions.put(serverLocation, session); 107 } 108 return session; 109 } 110 111 @Destroy 112 @PermitAll 113 public void remove() { 114 LoginContext lc = null; 115 try { 116 try { 117 if (Framework.getRuntime() != null) { 118 lc = Framework.login(); 119 } 120 } catch (LoginException le) { 121 log.error("Unable to login as System", le); 122 log.warn("...try to feed CoreSession(s) without system login ..."); 123 } 124 for (Entry<RepositoryLocation, CoreSession> entry : sessions.entrySet()) { 125 String serverName = entry.getKey().getName(); 126 CoreSession session = entry.getValue(); 127 session.close(); 128 log.debug("Closed session for repository " + serverName); 129 } 130 } finally { 131 if (lc != null) { 132 try { 133 lc.logout(); 134 } catch (LoginException lo) { 135 log.error("Error when logout", lo); 136 } 137 } 138 sessions.clear(); 139 } 140 } 141}