/*******************************************************************************
* Copyright (c) 2008, 2010 VMware Inc.
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-v10.html
*
* Contributors:
* VMware Inc. - initial contribution
*******************************************************************************/
package org.eclipse.virgo.snaps.core.internal.support;
/**
* TODO Document ClassLoaderTemplate
* <p />
*
* <strong>Concurrent Semantics</strong><br />
*
* TODO Document concurrent semantics of ClassLoaderTemplate
*
*/
public class ClassLoaderTemplate {
public <T> T doWithThreadContextClassLoader(ClassLoader classLoader, ClassLoaderCallback<T> callback) throws Exception {
Thread currentThread = Thread.currentThread();
ClassLoader contextClassLoader = currentThread.getContextClassLoader();
try {
currentThread.setContextClassLoader(classLoader);
return callback.doWithClassLoader();
} finally {
currentThread.setContextClassLoader(contextClassLoader);
}
}
public static interface ClassLoaderCallback<T> {
T doWithClassLoader() throws Exception;
}
}