test/jdk/sun/net/www/protocol/jar/jarbug/src/test/TestBug4523159.java

/*
 * Copyright (c) 2005, 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
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 * questions.
 */

import java.io.File;
import java.net.JarURLConnection;
import java.net.URL;
import java.net.URLClassLoader;
import java.util.jar.JarEntry;
import java.util.jar.JarFile;

/*
 * Issuing a getResourceAsStream() call will throw an exception if:
 *  a) classes and resources are inside a file, and
 *  b) the jar file is located in a directory containing an exclaimation
 *     mark ("!"), like "C:\Java!".
 *
 * 15 votes.
 *
 * Note: Execute "real" test in separate vm instance so that any locks
 * held on files will be released when this separate vm exits and the
 * invoking vm can clean up if necessary.
 */
public class TestBug4523159 extends JarTest
{
    public void run(String[] args) throws Exception {
        File tmp = createTempDir();
        try {
            File dir = new File(tmp, "dir!name");
            dir.mkdir();
            File testFile = copyResource(dir, "jar1.jar");

            // Case 1: direct access
            URL url = new URL("jar:" + testFile.toURI().toURL() + "!/res1.txt");
            JarURLConnection conn = (JarURLConnection) url.openConnection();
            JarFile file = conn.getJarFile();
            JarEntry entry = conn.getJarEntry();
            byte[] buffer = readFully(file.getInputStream(entry));
            String str = new String(buffer);
            if (!str.equals("This is jar 1\n")) {
                throw (new Exception("resource content invalid"));
            }

            // Case 2: indirect access
            URL[] urls = new URL[1];
            urls[0] = new URL("jar:" + testFile.toURI().toURL()  + "!/");
            URLClassLoader loader = new URLClassLoader(urls);
            loader.loadClass("jar1.GetResource").newInstance();
        } finally {
            deleteRecursively(tmp);
        }
    }

    public static void main(String[] args) throws Exception {
        new TestBug4523159().run(args);
    }
}