| /** |
| * 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.xbean.finder; |
| |
| import org.junit.Test; |
| |
| import java.io.File; |
| import java.io.IOException; |
| import java.net.MalformedURLException; |
| import java.net.URL; |
| import java.net.URLClassLoader; |
| import java.util.Enumeration; |
| import java.util.NoSuchElementException; |
| |
| import static java.util.Collections.enumeration; |
| import static java.util.Collections.singleton; |
| import static org.junit.Assert.assertEquals; |
| import static org.junit.Assert.assertFalse; |
| import static org.junit.Assert.assertTrue; |
| import static org.junit.Assert.fail; |
| |
| public class ClassLoadersTest { |
| @Test |
| public void testNative() throws MalformedURLException { |
| if (System.getProperty("os.name").toLowerCase().contains("win")) { // we don't want to test it |
| return; |
| } |
| |
| final String base = "file:/usr/lib/x86_64-linux-gnu/jni/libatk-wrapper.so.0.0.18"; |
| |
| assertTrue(ClassLoaders.isNative(new URL(base))); |
| assertFalse(ClassLoaders.isNative(new URL(base + ".jar"))); |
| assertTrue(ClassLoaders.isNative(new URL("jar:" + base + "!/"))); |
| assertFalse(ClassLoaders.isNative(new URL("jar:" + base + ".jar!/"))); |
| } |
| |
| @Test |
| public void singleUrl() throws IOException { |
| final File metaInf = new File("target/ClassLoadersTest/singleUrl/META-INF"); |
| metaInf.getParentFile().mkdirs(); |
| |
| final URL url = metaInf.getParentFile().toURI().toURL(); |
| final ClassLoader loader = new URLClassLoader(new URL[] {url}, new ClassLoader() { |
| @Override |
| protected Class<?> loadClass(final String name, final boolean resolve) throws ClassNotFoundException { |
| throw new ClassNotFoundException(); |
| } |
| |
| @Override |
| public Enumeration<URL> getResources(final String name) throws IOException { |
| return EmptyEnumeration.EMPTY_ENUMERATION; |
| } |
| }) { |
| @Override |
| public Enumeration<URL> getResources(final String name) throws IOException { |
| if ("META-INF".equals(name)) { |
| return EmptyEnumeration.EMPTY_ENUMERATION; |
| } |
| return enumeration(singleton(new URL("jar:file:/tmp/app.jar!/"))); |
| } |
| |
| @Override |
| public URL[] getURLs() { |
| try { |
| return new URL[] { new URL("file:/tmp/app.jar") }; |
| } catch (final MalformedURLException e) { |
| fail(); |
| throw new IllegalStateException(e); |
| } |
| } |
| }; |
| assertEquals(1, ClassLoaders.findUrls(loader).size()); |
| } |
| |
| public static class EmptyEnumeration<E> implements Enumeration<E> { |
| public static final EmptyEnumeration EMPTY_ENUMERATION |
| = new EmptyEnumeration(); |
| |
| public boolean hasMoreElements() { return false; } |
| public E nextElement() { throw new NoSuchElementException(); } |
| } |
| } |