001/* 002 * (C) Copyright 2006-2008 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 * Razvan Caraghin 018 * Olivier Grisel 019 * Thierry Delprat 020 * Florent Guillaume 021 */ 022 023package org.nuxeo.ecm.webapp.delegate; 024 025import static org.jboss.seam.ScopeType.CONVERSATION; 026 027import java.io.Serializable; 028import java.util.HashMap; 029import java.util.Map; 030import java.util.Map.Entry; 031 032import javax.annotation.security.PermitAll; 033import javax.security.auth.login.LoginContext; 034import javax.security.auth.login.LoginException; 035 036import org.apache.commons.logging.Log; 037import org.apache.commons.logging.LogFactory; 038import org.jboss.seam.Component; 039import org.jboss.seam.annotations.Destroy; 040import org.jboss.seam.annotations.Name; 041import org.jboss.seam.annotations.Scope; 042import org.jboss.seam.annotations.Unwrap; 043import org.jboss.seam.contexts.Lifecycle; 044import org.nuxeo.ecm.core.api.CoreInstance; 045import org.nuxeo.ecm.core.api.CoreSession; 046import org.nuxeo.ecm.core.api.repository.Repository; 047import org.nuxeo.ecm.platform.util.RepositoryLocation; 048import org.nuxeo.runtime.api.Framework; 049 050/** 051 * Acquires a {@link CoreSession} connection. 052 * 053 * @author Razvan Caraghin 054 * @author Olivier Grisel 055 * @author Thierry Delprat 056 * @author Florent Guillaume 057 */ 058@Name("documentManager") 059@Scope(CONVERSATION) 060public class DocumentManagerBusinessDelegate implements Serializable { 061 062 private static final long serialVersionUID = 1L; 063 064 private static final Log log = LogFactory.getLog(DocumentManagerBusinessDelegate.class); 065 066 /** 067 * Map holding the open session for each repository location. 068 */ 069 protected final Map<RepositoryLocation, CoreSession> sessions = new HashMap<RepositoryLocation, CoreSession>(); 070 071 public void initialize() { 072 log.debug("Seam component initialized..."); 073 } 074 075 @Unwrap 076 public CoreSession getDocumentManager() { 077 /* 078 * Explicit lookup, as this method is the only user of the Seam component. Also, in some cases (Seam remoting), 079 * it seems that the injection is not done correctly. 080 */ 081 RepositoryLocation currentServerLocation = (RepositoryLocation) Component.getInstance("currentServerLocation"); 082 return getDocumentManager(currentServerLocation); 083 } 084 085 public CoreSession getDocumentManager(RepositoryLocation serverLocation) { 086 087 if (serverLocation == null) { 088 /* 089 * currentServerLocation (factory in ServerContextBean) is set through navigationContext, which itself 090 * injects documentManager, so it will be null the first time. 091 */ 092 return null; 093 } 094 095 CoreSession session = sessions.get(serverLocation); 096 if (session == null) { 097 if (Lifecycle.isDestroying()) { 098 /* 099 * During Seam component destroy phases, we don't want to recreate a core session just for injection. 100 * This happens during logout when the session context is destroyed; we don't want to cause EJB calls in 101 * this case as the authentication wouldn't work. 102 */ 103 return null; 104 } 105 String serverName = serverLocation.getName(); 106 session = CoreInstance.openCoreSession(serverName); 107 log.debug("Opened session for repository " + serverName); 108 sessions.put(serverLocation, session); 109 } 110 return session; 111 } 112 113 @Destroy 114 @PermitAll 115 public void remove() { 116 LoginContext lc = null; 117 try { 118 try { 119 if (Framework.getRuntime() != null) { 120 lc = Framework.login(); 121 } 122 } catch (LoginException le) { 123 log.error("Unable to login as System", le); 124 log.warn("...try to feed CoreSession(s) without system login ..."); 125 } 126 for (Entry<RepositoryLocation, CoreSession> entry : sessions.entrySet()) { 127 String serverName = entry.getKey().getName(); 128 CoreSession session = entry.getValue(); 129 session.close(); 130 log.debug("Closed session for repository " + serverName); 131 } 132 } finally { 133 if (lc != null) { 134 try { 135 lc.logout(); 136 } catch (LoginException lo) { 137 log.error("Error when logout", lo); 138 } 139 } 140 sessions.clear(); 141 } 142 } 143}