001/* 002 * (C) Copyright 2006-2007 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 * Nuxeo - initial API and implementation 016 * 017 * $Id: JOOoConvertPluginImpl.java 18651 2007-05-13 20:28:53Z sfermigier $ 018 */ 019 020package org.nuxeo.ecm.webapp.helpers; 021 022import static org.jboss.seam.ScopeType.SESSION; 023 024import java.io.Serializable; 025import java.util.Map; 026 027import javax.faces.context.FacesContext; 028 029import org.jboss.seam.annotations.In; 030import org.jboss.seam.annotations.Name; 031import org.jboss.seam.annotations.Scope; 032import org.jboss.seam.annotations.Startup; 033import org.jboss.seam.core.Manager; 034 035@Startup 036@Name("conversationIdGenerator") 037@Scope(SESSION) 038public class ConversationIdGenerator implements Serializable { 039 040 private static final long serialVersionUID = 15643987456876L; 041 042 private static final String MAIN_CONVERSATION_PREFIX = "0NXMAIN"; 043 044 private static final String CREATE_CONVERSATION_PREFIX = "0NXCREATE"; 045 046 private int mainConversationCounter = 0; 047 048 private int createConversationCounter = 0; 049 050 @In(value = "org.jboss.seam.core.manager") 051 public transient Manager conversationManager; 052 053 public String getNextMainConversationId() { 054 String newMainConversationId; 055 if (mainConversationCounter == 0) { 056 newMainConversationId = MAIN_CONVERSATION_PREFIX; 057 } else { 058 newMainConversationId = MAIN_CONVERSATION_PREFIX + mainConversationCounter; 059 } 060 mainConversationCounter += 1; 061 return newMainConversationId; 062 } 063 064 public String getNextCreateConversationId() { 065 String newCreateConversationId; 066 if (createConversationCounter == 0) { 067 newCreateConversationId = CREATE_CONVERSATION_PREFIX; 068 } else { 069 newCreateConversationId = CREATE_CONVERSATION_PREFIX + createConversationCounter; 070 } 071 createConversationCounter += 1; 072 return newCreateConversationId; 073 } 074 075 public String getCurrentOrNewMainConversationId() { 076 077 // this case can happend if user logged in from a bookmarked URL that 078 // contains conversation ID 079 String existingConversationId = getConversationIdInURL(); 080 if (existingConversationId != null && existingConversationId.startsWith(MAIN_CONVERSATION_PREFIX)) { 081 return existingConversationId; 082 } 083 084 if (conversationManager.isReallyLongRunningConversation()) { 085 existingConversationId = conversationManager.getCurrentConversationId(); 086 if (existingConversationId.startsWith(MAIN_CONVERSATION_PREFIX)) { 087 return existingConversationId; 088 } else { 089 return getNextMainConversationId(); 090 } 091 } else { 092 return getNextMainConversationId(); 093 } 094 } 095 096 protected String getConversationIdInURL() { 097 final FacesContext facesContext = FacesContext.getCurrentInstance(); 098 if (facesContext == null) { 099 return null; 100 } 101 Map<String, Object> rMap = facesContext.getExternalContext().getRequestMap(); 102 String conversationIdInUrl; 103 if (rMap.containsKey(conversationManager.getConversationIdParameter())) { 104 conversationIdInUrl = (String) rMap.get(conversationManager.getConversationIdParameter()); 105 } else { 106 Map<String, String> pMap = facesContext.getExternalContext().getRequestParameterMap(); 107 if (pMap.containsKey(conversationManager.getConversationIdParameter())) { 108 conversationIdInUrl = pMap.get(conversationManager.getConversationIdParameter()); 109 } else { 110 return null; 111 } 112 } 113 return conversationIdInUrl; 114 } 115 116}