001/* 002 * (C) Copyright 2006-2007 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 * Nuxeo - initial API and implementation 018 * 019 * $Id$ 020 */ 021 022package org.nuxeo.ecm.platform.ui.web.util; 023 024import static org.jboss.seam.ScopeType.APPLICATION; 025 026import java.io.Serializable; 027 028import javax.naming.NamingException; 029 030import org.apache.commons.logging.Log; 031import org.apache.commons.logging.LogFactory; 032import org.jboss.seam.annotations.Create; 033import org.jboss.seam.annotations.In; 034import org.jboss.seam.annotations.Name; 035import org.jboss.seam.annotations.Scope; 036import org.jboss.seam.annotations.Startup; 037import org.jboss.seam.core.Init; 038import org.nuxeo.launcher.config.ConfigurationGenerator; 039import org.nuxeo.runtime.api.Framework; 040import org.nuxeo.runtime.transaction.TransactionHelper; 041 042/** 043 * Component that updates the Seam configuration as needed when app starts 044 * 045 * @author Thierry Delprat 046 */ 047@Name("NuxeoSeamConfigurator") 048@Scope(APPLICATION) 049@Startup 050public class SeamConfigurator implements Serializable { 051 052 private static final long serialVersionUID = 178687658975L; 053 054 private static final Log log = LogFactory.getLog(SeamConfigurator.class); 055 056 @In(value = "org.jboss.seam.core.init") 057 transient Init init; 058 059 public boolean isDebugEnabled() { 060 return Framework.isBooleanPropertyTrue(ConfigurationGenerator.SEAM_DEBUG_SYSTEM_PROP); 061 } 062 063 @Create 064 public void init() { 065 // FIXME: this init is done too late: debug components have already 066 // been scanned and not installed => debug page will not work if 067 // available (needs jar jboss-seam-debug to be available) 068 init.setDebug(isDebugEnabled()); 069 init.setJbpmInstalled(false); 070 try { 071 TransactionHelper.lookupUserTransaction(); 072 log.info("Activate Seam transaction support"); 073 init.setTransactionManagementEnabled(true); 074 } catch (NamingException e) { 075 log.info("Deactivate Seam transaction support (no tx manager)"); 076 init.setTransactionManagementEnabled(false); 077 } 078 } 079}