1 /* 2 * Copyright (c) 2016, Oracle and/or its affiliates. All rights reserved. 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 4 * 5 * This code is free software; you can redistribute it and/or modify it 6 * under the terms of the GNU General Public License version 2 only, as 7 * published by the Free Software Foundation. 8 * 9 * This code is distributed in the hope that it will be useful, but WITHOUT 10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 12 * version 2 for more details (a copy is included in the LICENSE file that 13 * accompanied this code). 14 * 15 * You should have received a copy of the GNU General Public License version 16 * 2 along with this work; if not, write to the Free Software Foundation, 17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 18 * 19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 20 * or visit www.oracle.com if you need additional information or have any 21 * questions. 22 */ 23 24 import java.io.IOException; 25 import java.io.UncheckedIOException; 26 import java.net.URL; 27 import java.util.Collections; 28 import java.util.Enumeration; 29 import java.util.List; 30 import java.util.stream.Collectors; 31 import java.util.stream.Stream; 32 33 /* 34 * @test 35 * @summary Test java.lang.ClassLoader.resources() method 36 * 37 * @build ResourcesSuccessCase 38 * @run main ResourcesSuccessCase 39 */ 40 public class ResourcesSuccessCase { 41 42 public static void main(String[] args) throws Exception { 43 ClassLoader cl = new SuccessClassLoader(); 44 // should create the stream pipe 45 Stream<URL> stream = cl.resources("the name"); 46 List<URL> resources = stream.collect(Collectors.toList()); 47 48 if (resources == null || resources.size() != 1) { 49 throw new Exception("expected resource is null or empty"); 50 } 51 52 URL url = resources.get(0); 53 54 if (!"file:/somefile".equals(url.toExternalForm())) { 55 throw new Exception("wrong url: " + url); 56 } 57 } 58 59 public static class SuccessClassLoader extends ClassLoader { 60 @Override 61 public Enumeration<URL> getResources(String name) throws IOException { 62 URL url = new URL("file:/somefile"); 63 return Collections.enumeration(Collections.singleton(url)); 64 } 65 } 66 }