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