/* * Copyright (c) 2016, Oracle and/or its affiliates. All rights reserved. * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. * * This code is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License version 2 only, as * published by the Free Software Foundation. * * This code is distributed in the hope that it will be useful, but WITHOUT * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License * version 2 for more details (a copy is included in the LICENSE file that * accompanied this code). * * You should have received a copy of the GNU General Public License version * 2 along with this work; if not, write to the Free Software Foundation, * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. * * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA * or visit www.oracle.com if you need additional information or have any * questions. */ import java.io.IOException; import java.io.UncheckedIOException; import java.net.URL; import java.util.Collections; import java.util.Enumeration; import java.util.List; import java.util.stream.Collectors; import java.util.stream.Stream; /* * @test * @summary Test java.lang.ClassLoader.resources() method * * @build ResourcesSuccessCase * @run main ResourcesSuccessCase */ public class ResourcesSuccessCase { public static void main(String[] args) throws Exception { ClassLoader cl = new SuccessClassLoader(); // should create the stream pipe Stream stream = cl.resources("the name"); List resources = stream.collect(Collectors.toList()); if (resources == null || resources.size() != 1) { throw new Exception("expected resource is null or empty"); } URL url = resources.get(0); if (!"file:/somefile".equals(url.toExternalForm())) { throw new Exception("wrong url: " + url); } } public static class SuccessClassLoader extends ClassLoader { @Override public Enumeration getResources(String name) throws IOException { URL url = new URL("file:/somefile"); return Collections.enumeration(Collections.singleton(url)); } } }