| /** |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you 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.apache.crunch.types.avro; |
| |
| import java.net.URL; |
| import java.net.URLClassLoader; |
| import java.util.ArrayList; |
| import java.util.Collection; |
| |
| import org.junit.runners.BlockJUnit4ClassRunner; |
| import org.junit.runners.model.InitializationError; |
| |
| public class AvroChildClassloaderTestRunner extends BlockJUnit4ClassRunner { |
| |
| public AvroChildClassloaderTestRunner(Class<?> clazz) throws InitializationError { |
| super(getFromTestClassloader(clazz)); |
| } |
| |
| private static Class<?> getFromTestClassloader(Class<?> clazz) throws InitializationError { |
| try { |
| ClassLoader testClassLoader = new TestClassLoader(); |
| return Class.forName(clazz.getName(), true, testClassLoader); |
| } catch (ClassNotFoundException e) { |
| throw new InitializationError(e); |
| } |
| } |
| |
| public static class TestClassLoader extends URLClassLoader { |
| |
| private static ClassLoader parentClassLoader; |
| private static URL[] crunchURLs; |
| static { |
| URLClassLoader systemClassLoader = (URLClassLoader) getSystemClassLoader(); |
| |
| Collection<URL> crunchURLs = new ArrayList<URL>(); |
| Collection<URL> otherURLs = new ArrayList<URL>(); |
| for (URL url : systemClassLoader.getURLs()) { |
| if (url.getPath().matches("^.*/crunch-?.*/.*$")) { |
| crunchURLs.add(url); |
| } else { |
| otherURLs.add(url); |
| } |
| } |
| |
| TestClassLoader.crunchURLs = crunchURLs.toArray(new URL[crunchURLs.size()]); |
| parentClassLoader = new URLClassLoader(otherURLs.toArray(new URL[otherURLs.size()]), null); |
| } |
| |
| public TestClassLoader() { |
| super(crunchURLs, parentClassLoader); |
| } |
| |
| @Override |
| public Class<?> loadClass(String name) throws ClassNotFoundException { |
| if (name.startsWith("org.junit")) { |
| return getSystemClassLoader().loadClass(name); |
| } |
| |
| return super.loadClass(name); |
| } |
| } |
| } |