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8297875: jar should not compress the manifest directory entry

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Reviewed-by: lancea
This commit is contained in:
Liam Miller-Cushon 2022-12-01 22:07:57 +00:00
parent 82031d32a0
commit e846b0438c
2 changed files with 75 additions and 0 deletions
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1
src/jdk.jartool/share/classes/sun/tools/jar/Main.java
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@ -875,6 +875,7 @@ public class Main {
}
ZipEntry e = new ZipEntry(MANIFEST_DIR);
setZipEntryTime(e);
e.setMethod(ZipEntry.STORED);
e.setSize(0);
e.setCrc(0);
zos.putNextEntry(e);

74
test/jdk/tools/jar/ManifestDirectoryCompression.java Normal file
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@ -0,0 +1,74 @@
/*
* Copyright (c) 2022, Alphabet LLC. 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 8297875
* @summary jar should not compress the manifest directory entry
* @modules jdk.jartool
* @run testng ManifestDirectoryCompression
*/
import static org.testng.Assert.assertEquals;
import static org.testng.Assert.assertNotNull;
import static org.testng.Assert.fail;
import org.testng.annotations.AfterMethod;
import org.testng.annotations.Test;
import java.nio.file.Files;
import java.nio.file.Path;
import java.util.List;
import java.util.jar.JarFile;
import java.util.spi.ToolProvider;
import java.util.zip.ZipEntry;
public class ManifestDirectoryCompression {
private static final ToolProvider JAR_TOOL =
ToolProvider.findFirst("jar")
.orElseThrow(() -> new RuntimeException("jar tool not found"));
private static final String JAR_FILE_NAME = "test.jar";
private static final String FILE_NAME = "test.txt";
@AfterMethod
private void cleanup() throws Exception {
Files.deleteIfExists(Path.of(JAR_FILE_NAME));
Files.deleteIfExists(Path.of(FILE_NAME));
}
@Test
public void testDirectoryCompressionMethod() throws Exception {
Files.writeString(Path.of(FILE_NAME), "Some text...");
String[] jarArgs = new String[] {"cf", JAR_FILE_NAME, FILE_NAME};
if (JAR_TOOL.run(System.out, System.err, jarArgs) != 0) {
fail("Could not create jar file: " + List.of(jarArgs));
}
try (JarFile jarFile = new JarFile(JAR_FILE_NAME)) {
ZipEntry zipEntry = jarFile.getEntry("META-INF/");
assertNotNull(zipEntry);
assertEquals(zipEntry.getMethod(), ZipEntry.STORED);
assertEquals(zipEntry.getSize(), 0);
assertEquals(zipEntry.getCompressedSize(), 0);
}
}
}