001/* 002 * (C) Copyright 2006-2009 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 * $Id$ 018 */ 019 020package org.nuxeo.ecm.platform.ui.web.cache; 021 022/** 023 * Helper class to check if Seam s:cache tag can be used (s:cache does not only require jboss-cache, but also some 024 * internal classes. 025 * 026 * @author Thierry Delprat 027 */ 028public class SeamCacheHelper { 029 030 protected static Boolean canUseSeamCache; 031 032 private SeamCacheHelper() { 033 } 034 035 public static boolean canUseSeamCache() { 036 if (canUseSeamCache == null) { 037 canUseSeamCache = false; 038 try { 039 Class.forName("org.jboss.system.ServiceMBeanSupport"); 040 canUseSeamCache = true; 041 } catch (ClassNotFoundException e) { 042 } 043 } 044 return canUseSeamCache.booleanValue(); 045 } 046}