/*
* 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;
}
}
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