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/*
* Copyright (c) 2019, 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.
*/
import java.io.File;
import java.net.URL;
import java.net.URLClassLoader;
import java.nio.file.Path;
import java.nio.file.Paths;
import java.util.jar.Attributes;
import java.util.jar.Manifest;
import jdk.testlibrary.InMemoryJavaCompiler;
import jdk.testlibrary.JarUtils;
/*
* @test
* @bug 8216401
* @summary Test loading of JAR Class-Path entry with file: scheme
* @library /lib/testlibrary
*
* @run main/othervm JarClassPathFileEntry
* @run main/othervm -Djdk.net.URLClassPath.disableClassPathURLCheck=true JarClassPathFileEntry
* @run main/othervm -Djdk.net.URLClassPath.disableClassPathURLCheck=false JarClassPathFileEntry
*/
public class JarClassPathFileEntry {
private final static boolean IS_WINDOWS = System.getProperty("os.name").startsWith("Windows");
private final static String TEST_CLASSES = System.getProperty("test.classes");
private final static String OTHER_DIR = TEST_CLASSES + "/OTHER/";
private final static Path OTHER_JAR_PATH = Paths.get(OTHER_DIR, "Other.jar");
private final static Path CONTEXT_JAR_PATH = Paths.get(TEST_CLASSES, "Context.jar");
public static void main(String[] args) throws Throwable {
// Create Other.class in OTHER_DIR, off the default classpath
byte klassbuf[] = InMemoryJavaCompiler.compile("Other",
"public class Other {}");
ClassFileInstaller.writeClassToDisk("Other", klassbuf, OTHER_DIR);
// Create Other.jar in OTHER_DIR
JarUtils.createJarFile(OTHER_JAR_PATH,
Paths.get(OTHER_DIR),
Paths.get(OTHER_DIR, "Other.class"));
// Create Context.class
klassbuf = InMemoryJavaCompiler.compile("Context",
"public class Context {}");
ClassFileInstaller.writeClassToDisk("Context", klassbuf, TEST_CLASSES);
// Create Context.jar w/ "file:" entry for Other.jar
Manifest mf = new Manifest();
Attributes attrs = mf.getMainAttributes();
attrs.put(Attributes.Name.MANIFEST_VERSION, "1.0");
String classPathEntry = "file:" + (IS_WINDOWS ? toUnixPath(OTHER_JAR_PATH.toString())
: OTHER_JAR_PATH.toString());
attrs.put(Attributes.Name.CLASS_PATH, classPathEntry);
System.out.println("Creating Context.jar with Class-Path: " + classPathEntry);
JarUtils.createJarFile(CONTEXT_JAR_PATH, mf,
Paths.get(TEST_CLASSES),
Paths.get(TEST_CLASSES, "Context.class"));
// Use URLClassLoader w/ Context.jar to load Other.class, which will
// load via the Class-Path entry
URL url = CONTEXT_JAR_PATH.toUri().toURL();
URLClassLoader ucl = new URLClassLoader(new URL[]{ url },
null); // don't delegate to App CL
Class<?> otherClass = Class.forName("Other", true, ucl); // ClassNotFoundException -> fail
System.out.println("Loaded: " + otherClass);
}
/* Convert a Windows path to a unix-style path, and remove any drive letter */
private static String toUnixPath(String orig) {
String retVal = new File(orig).toURI().getPath();
int colonAt = retVal.indexOf(':');
if (colonAt != -1 && colonAt < 3) {
retVal = retVal.substring(colonAt + 1); // Start after the drive letter
}
return retVal;
}
}
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