/*
* Copyright 2010 the original author or authors.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.gradle.process.internal.child;
import org.gradle.api.Action;
import org.gradle.util.ObservableUrlClassLoader;
import java.io.Serializable;
import java.net.URL;
import java.util.Collection;
import java.util.concurrent.Callable;
/**
* <p>A worker which loads the application classes in an isolated ClassLoader.</p>
*/
public class IsolatedApplicationClassLoaderWorker implements Callable<Void>, Serializable {
private final Action<WorkerContext> worker;
private final Collection<URL> applicationClassPath;
public IsolatedApplicationClassLoaderWorker(Collection<URL> applicationClassPath, Action<WorkerContext> worker) {
this.applicationClassPath = applicationClassPath;
this.worker = worker;
}
public Void call() throws Exception {
final ObservableUrlClassLoader applicationClassLoader = createApplicationClassLoader();
WorkerContext context = new WorkerContext() {
public ClassLoader getApplicationClassLoader() {
return applicationClassLoader;
}
};
worker.execute(context);
return null;
}
private ObservableUrlClassLoader createApplicationClassLoader() {
return new ObservableUrlClassLoader(ClassLoader.getSystemClassLoader().getParent(), applicationClassPath);
}
}