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/*
* 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);
}
}
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