undefect. CWE-407 — 63 sites patched across 27 ecosystems
Authors: russell@unturf.com · brackishbert@gmail.com · foxhop.net · TimeHexOn.com Patches, unit tests, benchmarks, whitepaper, and outreach briefs. Public domain — no copyright claimed. Use freely.
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365
test/jdk/java/lang/ClassLoader/getResource/modules/Main.java
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365
test/jdk/java/lang/ClassLoader/getResource/modules/Main.java
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/*
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* Copyright (c) 2015, 2024, Oracle and/or its affiliates. All rights reserved.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* This code is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 only, as
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* published by the Free Software Foundation.
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*
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* This code is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* version 2 for more details (a copy is included in the LICENSE file that
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* accompanied this code).
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*
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* You should have received a copy of the GNU General Public License version
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* 2 along with this work; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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* or visit www.oracle.com if you need additional information or have any
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* questions.
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*/
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import java.io.InputStream;
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import java.lang.module.Configuration;
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import java.lang.module.ResolvedModule;
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import java.io.IOException;
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import java.net.URL;
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import java.nio.file.Files;
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import java.nio.file.Path;
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import java.nio.file.Paths;
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import java.util.ArrayList;
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import java.util.Enumeration;
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import java.util.List;
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/**
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* Basic test of ClassLoader getResource and getResourceAsStream when
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* invoked from code in named modules.
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*/
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public class Main {
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static final String NAME = "myresource";
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public static void main(String[] args) throws IOException {
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// create resources in m1
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createResource("m1", Paths.get("."), "m1");
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createResource("m1", Paths.get("p1"), "m1/p1");
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createResource("m1", Paths.get("p1", "impl"), "m1/p1.impl");
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createResource("m1", Paths.get("p1", "resources"), "m1/p1.resources");
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// create resources in m2
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createResource("m2", Paths.get("."), "m2");
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createResource("m2", Paths.get("p2"), "m2/p2");
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createResource("m2", Paths.get("p2", "impl"), "m2/p2.impl");
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createResource("m2", Paths.get("p2", "resources"), "m2/p2.resources");
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// invoke ClassLoader getResource from the unnamed module
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ClassLoader thisLoader = Main.class.getClassLoader();
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URL url = thisLoader.getResource(NAME);
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assertNotNull(url);
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url = thisLoader.getResource("p1/" + NAME);
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assertNull(url);
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url = thisLoader.getResource("p1/impl/" + NAME);
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assertNull(url);
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url = thisLoader.getResource("p1/resources/" + NAME);
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assertEquals(readAllAsString(url), "m1/p1.resources");
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url = thisLoader.getResource("p2/" + NAME);
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assertNull(url);
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url = thisLoader.getResource("p2/impl/" + NAME);
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assertNull(url);
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url = thisLoader.getResource("p2/resources/" + NAME);
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assertNull(url);
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// invoke ClassLoader getResource from module m1
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url = p1.Main.getResourceInClassLoader(NAME);
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assertNotNull(url);
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url = p1.Main.getResourceInClassLoader("p1/" + NAME);
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assertNull(url);
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url = p1.Main.getResourceInClassLoader("p1/impl/" + NAME);
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assertNull(url);
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url = p1.Main.getResourceInClassLoader("p1/resources/" + NAME);
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assertEquals(readAllAsString(url), "m1/p1.resources");
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url = p1.Main.getResourceInClassLoader("p2/" + NAME);
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assertNull(url);
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url = p1.Main.getResourceInClassLoader("p2/impl/" + NAME);
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assertNull(url);
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url = p1.Main.getResourceInClassLoader("p2/resources/" + NAME);
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assertNull(url);
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// invoke ClassLoader getResource from module m2
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url = p2.Main.getResourceInClassLoader(NAME);
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assertNotNull(url);
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url = p2.Main.getResourceInClassLoader("p1/" + NAME);
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assertNull(url);
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url = p2.Main.getResourceInClassLoader("p1/impl/" + NAME);
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assertNull(url);
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url = p2.Main.getResourceInClassLoader("p1/resources/" + NAME);
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assertEquals(readAllAsString(url), "m1/p1.resources");
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url = p2.Main.getResourceInClassLoader("p2/" + NAME);
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assertNull(url);
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url = p2.Main.getResourceInClassLoader("p2/impl/" + NAME);
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assertNull(url);
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url = p2.Main.getResourceInClassLoader("p2/resources/" + NAME);
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assertNull(url);
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// invoke ClassLoader getResources from the unnamed module
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Enumeration<URL> urls = thisLoader.getResources(NAME);
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List<String> resources = readAllAsStrings(urls);
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assertTrue(resources.size() == 2);
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assertTrue(resources.contains("m1"));
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assertTrue(resources.contains("m2"));
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urls = thisLoader.getResources("p1/" + NAME);
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assertTrue(readAllAsStrings(urls).isEmpty());
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urls = thisLoader.getResources("p1/impl/" + NAME);
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assertTrue(readAllAsStrings(urls).isEmpty());
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urls = thisLoader.getResources("p1/resources/" + NAME);
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resources = readAllAsStrings(urls);
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assertTrue(resources.size() == 1);
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assertTrue(resources.contains("m1/p1.resources"));
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urls = thisLoader.getResources("p2/" + NAME);
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assertTrue(readAllAsStrings(urls).isEmpty());
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urls = thisLoader.getResources("p2/impl/" + NAME);
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assertTrue(readAllAsStrings(urls).isEmpty());
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urls = thisLoader.getResources("p2/resources/" + NAME);
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assertTrue(readAllAsStrings(urls).isEmpty());
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// invoke ClassLoader getResources from m1
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urls = p1.Main.getResourcesInClassLoader(NAME);
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resources = readAllAsStrings(urls);
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assertTrue(resources.size() == 2);
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assertTrue(resources.contains("m1"));
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assertTrue(resources.contains("m2"));
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urls = p1.Main.getResourcesInClassLoader("p1/" + NAME);
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assertTrue(readAllAsStrings(urls).isEmpty());
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urls = p1.Main.getResourcesInClassLoader("p1/impl/" + NAME);
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assertTrue(readAllAsStrings(urls).isEmpty());
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urls = p1.Main.getResourcesInClassLoader("p1/resources/" + NAME);
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resources = readAllAsStrings(urls);
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assertTrue(resources.size() == 1);
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assertTrue(resources.contains("m1/p1.resources"));
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urls = p1.Main.getResourcesInClassLoader("p2/" + NAME);
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assertTrue(readAllAsStrings(urls).isEmpty());
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urls = p1.Main.getResourcesInClassLoader("p2/impl/" + NAME);
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assertTrue(readAllAsStrings(urls).isEmpty());
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urls = p1.Main.getResourcesInClassLoader("p2/resources/" + NAME);
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assertTrue(readAllAsStrings(urls).isEmpty());
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// invoke ClassLoader getResources from m2
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urls = p2.Main.getResourcesInClassLoader(NAME);
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resources = readAllAsStrings(urls);
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assertTrue(resources.size() == 2);
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assertTrue(resources.contains("m1"));
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assertTrue(resources.contains("m2"));
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urls = p2.Main.getResourcesInClassLoader("p1/" + NAME);
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assertTrue(readAllAsStrings(urls).isEmpty());
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urls = p2.Main.getResourcesInClassLoader("p1/impl/" + NAME);
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assertTrue(readAllAsStrings(urls).isEmpty());
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urls = p2.Main.getResourcesInClassLoader("p1/resources/" + NAME);
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resources = readAllAsStrings(urls);
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assertTrue(resources.size() == 1);
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assertTrue(resources.contains("m1/p1.resources"));
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urls = p2.Main.getResourcesInClassLoader("p2/" + NAME);
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assertTrue(readAllAsStrings(urls).isEmpty());
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urls = p2.Main.getResourcesInClassLoader("p2/impl/" + NAME);
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assertTrue(readAllAsStrings(urls).isEmpty());
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urls = p2.Main.getResourcesInClassLoader("p2/resources/" + NAME);
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assertTrue(readAllAsStrings(urls).isEmpty());
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// invoke ClassLoader getResourceAsStream from the unnamed module
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InputStream in = thisLoader.getResourceAsStream(NAME);
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assertNotNull(in);
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in = thisLoader.getResourceAsStream("p1/" + NAME);
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assertNull(in);
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in = thisLoader.getResourceAsStream("p1/impl/" + NAME);
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assertNull(in);
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in = thisLoader.getResourceAsStream("p1/resources/" + NAME);
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assertEquals(readAllAsString(in), "m1/p1.resources");
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in = thisLoader.getResourceAsStream("p2/" + NAME);
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assertNull(in);
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in = thisLoader.getResourceAsStream("p2/impl/" + NAME);
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assertNull(in);
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in = thisLoader.getResourceAsStream("p2/resources/" + NAME);
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assertNull(in);
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// invoke ClassLoader getResource from modules m1
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in = p1.Main.getResourceAsStreamInClassLoader(NAME);
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assertNotNull(in);
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in = p1.Main.getResourceAsStreamInClassLoader("p1/" + NAME);
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assertNull(in);
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in = p1.Main.getResourceAsStreamInClassLoader("p1/impl/" + NAME);
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assertNull(in);
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in = p1.Main.getResourceAsStreamInClassLoader("p1/resources/" + NAME);
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assertEquals(readAllAsString(in), "m1/p1.resources");
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in = p1.Main.getResourceAsStreamInClassLoader("p2/" + NAME);
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assertNull(in);
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in = p1.Main.getResourceAsStreamInClassLoader("p2/impl/" + NAME);
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assertNull(in);
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in = p1.Main.getResourceAsStreamInClassLoader("p2/resources/" + NAME);
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assertNull(in);
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// invoke ClassLoader getResource from modules m2
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in = p2.Main.getResourceAsStreamInClassLoader(NAME);
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assertNotNull(in);
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in = p2.Main.getResourceAsStreamInClassLoader("p1/" + NAME);
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assertNull(in);
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in = p2.Main.getResourceAsStreamInClassLoader("p1/impl/" + NAME);
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assertNull(in);
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in = p2.Main.getResourceAsStreamInClassLoader("p1/resources/" + NAME);
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assertEquals(readAllAsString(in), "m1/p1.resources");
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in = p2.Main.getResourceAsStreamInClassLoader("p2/" + NAME);
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assertNull(in);
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in = p2.Main.getResourceAsStreamInClassLoader("p2/impl/" + NAME);
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assertNull(in);
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in = p2.Main.getResourceAsStreamInClassLoader("p2/resources/" + NAME);
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assertNull(in);
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System.out.println("Success!");
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}
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/**
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* Create a resource in the sub-directory of the given exploded module
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*/
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static void createResource(String mn, Path subdir, String msg) throws IOException {
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Path dir = directoryFor(mn).resolve(subdir);
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Path file = dir.resolve(NAME);
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Files.write(file, msg.getBytes("UTF-8"));
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}
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/**
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* Returns the directory for the given module (by name).
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*/
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static Path directoryFor(String mn) {
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Configuration cf = ModuleLayer.boot().configuration();
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ResolvedModule resolvedModule = cf.findModule(mn).orElse(null);
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if (resolvedModule == null)
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throw new RuntimeException("not found: " + mn);
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Path dir = Paths.get(resolvedModule.reference().location().get());
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if (!Files.isDirectory(dir))
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throw new RuntimeException("not a directory: " + dir);
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return dir;
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}
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static String readAllAsString(InputStream in) throws IOException {
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if (in == null)
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return null;
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try (in) {
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return new String(in.readAllBytes(), "UTF-8");
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}
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}
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static String readAllAsString(URL url) throws IOException {
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if (url == null)
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return null;
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InputStream in = url.openStream();
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return readAllAsString(url.openStream());
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}
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static List<String> readAllAsStrings(Enumeration<URL> urls) throws IOException {
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List<String> result = new ArrayList<>();
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while (urls.hasMoreElements()) {
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URL url = urls.nextElement();
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result.add(readAllAsString(url));
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}
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return result;
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}
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static void assertTrue(boolean condition) {
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if (!condition) throw new RuntimeException();
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}
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static void assertFalse(boolean condition) {
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if (condition) throw new RuntimeException();
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}
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static void assertNull(Object o) {
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assertTrue(o == null);
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}
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static void assertNotNull(Object o) {
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assertTrue(o != null);
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}
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static void assertEquals(Object actual, Object expected) {
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if (expected == null) {
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assertNull(actual);
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} else {
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assertTrue(expected.equals(actual));
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}
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}
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static void assertNotEquals(Object actual, Object expected) {
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if (expected == null) {
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assertNotNull(actual);
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} else {
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assertTrue(!expected.equals(actual));
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}
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}
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}
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