001/* 002 * (C) Copyright 2010 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 018package org.nuxeo.runtime.management.metrics; 019 020import org.nuxeo.runtime.api.Framework; 021 022public class NuxeoClassLoaderInjector { 023 024 protected static final ThreadLocal<ClassLoader> ctx = new ThreadLocal<ClassLoader>(); 025 026 public static void replace() { 027 if (ctx.get() != null) { 028 return; 029 } 030 ctx.set(Thread.currentThread().getContextClassLoader()); 031 Thread.currentThread().setContextClassLoader(Framework.class.getClassLoader()); 032 } 033 034 public static void restore() { 035 Thread.currentThread().setContextClassLoader(ctx.get()); 036 ctx.remove(); 037 } 038 039}