/*
* Copyright (c) 2014, 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.IOException;
import java.io.OutputStream;
import java.nio.file.*;
import java.util.Random;
import java.util.jar.JarEntry;
import java.util.jar.JarOutputStream;
/**
* Utility class for zipfs tests.
*/
class Utils {
private Utils() { }
/**
* Creates a JAR file of the given name with 0 or more named entries.
*
* @return Path to the newly created JAR file
*/
static Path createJarFile(String name, String... entries) throws IOException {
Path jarFile = Paths.get("basic.jar");
Random rand = new Random();
try (OutputStream out = Files.newOutputStream(jarFile);
JarOutputStream jout = new JarOutputStream(out)) {
int len = 100;
for (String entry: entries) {
JarEntry je = new JarEntry(entry);
jout.putNextEntry(je);
byte[] bytes = new byte[len];
rand.nextBytes(bytes);
jout.write(bytes);
jout.closeEntry();
len += 1024;
}
}
return jarFile;
}
}