142 lines
4.9 KiB
Java
142 lines
4.9 KiB
Java
/*
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* Copyright (c) 2011, 2017, 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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/**
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* @test
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* @bug 6899919
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* @library /test/lib
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* @modules jdk.compiler
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* @build jdk.test.lib.compiler.CompilerUtils
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* jdk.test.lib.util.FileUtils
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* jdk.test.lib.util.JarUtils
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* jdk.test.lib.Platform
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* @run main/othervm GetResourceAsStream
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*/
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import java.io.File;
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import java.io.IOException;
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import java.io.InputStream;
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import java.net.URL;
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import java.net.URLClassLoader;
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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.nio.file.StandardCopyOption;
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import java.nio.file.StandardOpenOption;
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import jdk.test.lib.compiler.CompilerUtils;
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import jdk.test.lib.util.JarUtils;
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public class GetResourceAsStream extends Common {
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private static final String WORK_DIR = System.getProperty("user.dir");
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/*
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* We simply test various scenarios with class/resource files
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* and make sure the files can be deleted after closing
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* the loader. Therefore, the test will only really be verified
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* on Windows. It will still run correctly on other platforms
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*/
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public static void main (String args[]) throws Exception {
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setup();
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/* the jar we copy for each test */
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File srcfile = new File(WORK_DIR, "foo.jar");
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/* the jar we use for the test */
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File testfile = new File(WORK_DIR, "test.jar");
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copyFile(srcfile, testfile);
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test(testfile, false, false);
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copyFile(srcfile, testfile);
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test(testfile, true, false);
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copyFile(srcfile, testfile);
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test(testfile, true, true);
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// repeat test using a directory of files
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File testdir = new File(WORK_DIR, "testdir");
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File srcdir = new File(WORK_DIR, "test3");
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copyDir(srcdir, testdir);
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test(testdir, true, false);
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}
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// create a loader on jarfile (or directory)
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// load a class , then look for a resource
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// then close the loader
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// check further new classes/resources cannot be loaded
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// check jar (or dir) can be deleted
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static void test (File file, boolean loadclass, boolean readall)
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throws Exception
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{
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URL[] urls = new URL[] {file.toURI().toURL()};
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System.out.println ("Doing tests with URL: " + urls[0]);
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URLClassLoader loader = new URLClassLoader (urls);
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if (loadclass) {
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Class testclass = loadClass ("com.foo.TestClass", loader, true);
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}
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InputStream s = loader.getResourceAsStream ("hello.txt");
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s.read();
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if (readall) {
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while (s.read() != -1) ;
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s.close();
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}
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loader.close ();
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// should not find bye.txt now
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InputStream s1 = loader.getResourceAsStream("bye.txt");
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if (s1 != null) {
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throw new RuntimeException ("closed loader returned resource");
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}
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// now check we can delete the path
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rm_minus_rf (file);
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System.out.println (" ... OK");
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}
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/**
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* Prepare jars files for the tests
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*/
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private static void setup () throws IOException {
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Path classes = Paths.get(WORK_DIR);
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Path testSrc = Paths.get(System.getProperty("test.src"),
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"test1", "com", "foo", "TestClass.java");
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Path targetDir = classes.resolve("test3");
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Path testTarget = targetDir.resolve("TestClass.java");
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Files.createDirectories(targetDir);
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Files.copy(testSrc, testTarget, StandardCopyOption.REPLACE_EXISTING);
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// Compile sources for corresponding test
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CompilerUtils.compile(targetDir, targetDir);
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// Prepare txt files
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Files.write(targetDir.resolve("hello.txt"), "Hello world".getBytes(),
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StandardOpenOption.CREATE);
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Files.write(targetDir.resolve("bye.txt"), "Bye world".getBytes(),
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StandardOpenOption.CREATE);
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// Create jar
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JarUtils.createJarFile(classes.resolve("foo.jar"), targetDir);
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}
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}
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