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.CloseableCoreSession; 045import org.nuxeo.ecm.core.api.CoreInstance; 046import org.nuxeo.ecm.core.api.CoreSession; 047import org.nuxeo.ecm.core.api.repository.Repository; 048import org.nuxeo.ecm.platform.util.RepositoryLocation; 049import org.nuxeo.runtime.api.Framework; 050 051/** 052 * Acquires a {@link CoreSession} connection. 053 * 054 * @author Razvan Caraghin 055 * @author Olivier Grisel 056 * @author Thierry Delprat 057 * @author Florent Guillaume 058 */ 059@Name("documentManager") 060@Scope(CONVERSATION) 061public class DocumentManagerBusinessDelegate implements Serializable { 062 063 private static final long serialVersionUID = 1L; 064 065 private static final Log log = LogFactory.getLog(DocumentManagerBusinessDelegate.class); 066 067 /** 068 * Map holding the open session for each repository location. 069 */ 070 protected final Map<RepositoryLocation, CloseableCoreSession> sessions = new HashMap<>(); 071 072 public void initialize() { 073 log.debug("Seam component initialized..."); 074 } 075 076 @Unwrap 077 public CoreSession getDocumentManager() { 078 /* 079 * Explicit lookup, as this method is the only user of the Seam component. Also, in some cases (Seam remoting), 080 * it seems that the injection is not done correctly. 081 */ 082 RepositoryLocation currentServerLocation = (RepositoryLocation) Component.getInstance("currentServerLocation"); 083 return getDocumentManager(currentServerLocation); 084 } 085 086 public CoreSession getDocumentManager(RepositoryLocation serverLocation) { 087 088 if (serverLocation == null) { 089 /* 090 * currentServerLocation (factory in ServerContextBean) is set through navigationContext, which itself 091 * injects documentManager, so it will be null the first time. 092 */ 093 return null; 094 } 095 096 CloseableCoreSession session = sessions.get(serverLocation); 097 if (session == null) { 098 if (Lifecycle.isDestroying()) { 099 /* 100 * During Seam component destroy phases, we don't want to recreate a core session just for injection. 101 * This happens during logout when the session context is destroyed; we don't want to cause EJB calls in 102 * this case as the authentication wouldn't work. 103 */ 104 return null; 105 } 106 String serverName = serverLocation.getName(); 107 session = CoreInstance.openCoreSession(serverName); 108 log.debug("Opened session for repository " + serverName); 109 sessions.put(serverLocation, session); 110 } 111 return session; 112 } 113 114 @Destroy 115 @PermitAll 116 public void remove() { 117 LoginContext lc = null; 118 try { 119 try { 120 if (Framework.getRuntime() != null) { 121 lc = Framework.login(); 122 } 123 } catch (LoginException le) { 124 log.error("Unable to login as System", le); 125 log.warn("...try to feed CoreSession(s) without system login ..."); 126 } 127 for (Entry<RepositoryLocation, CloseableCoreSession> entry : sessions.entrySet()) { 128 String serverName = entry.getKey().getName(); 129 CloseableCoreSession session = entry.getValue(); 130 session.close(); 131 log.debug("Closed session for repository " + serverName); 132 } 133 } finally { 134 if (lc != null) { 135 try { 136 lc.logout(); 137 } catch (LoginException lo) { 138 log.error("Error when logout", lo); 139 } 140 } 141 sessions.clear(); 142 } 143 } 144}