/*

 * Copyright (c) 2006, 2012, 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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 */

/**

 * @test

 * @bug 6405538 6474350

 * @summary Make sure jar files with large entries (more than max heap size)

 *    can be signed

 * @modules jdk.jartool/sun.security.tools.jarsigner

 * @run main/othervm -Xmx16m LargeJarEntry

 * @author Sean Mullan

 */

import java.io.File;

import java.io.FileOutputStream;

import java.util.jar.JarEntry;

import java.util.jar.JarOutputStream;

import java.util.zip.CRC32;

public class LargeJarEntry {

    public static void main(String[] args) throws Exception {

        String srcDir = System.getProperty("test.src", ".");

        String keystore = srcDir + "/JarSigning.keystore";

        String jarName = "largeJarEntry.jar";

        // Set java.io.tmpdir to the current working dir (see 6474350)

        System.setProperty("java.io.tmpdir", System.getProperty("user.dir"));

        // first, create jar file with 8M uncompressed entry

        // note, we set the max heap size to 8M in @run tag above

        byte[] bytes = new byte[1000000];

        CRC32 crc = new CRC32();

        for (int i=0; i<8; i++) {

            crc.update(bytes);

        }

        JarEntry je = new JarEntry("large");

        je.setSize(8000000l);

        je.setMethod(JarEntry.STORED);

        je.setCrc(crc.getValue());

        File file = new File(jarName);

        FileOutputStream os = new FileOutputStream(file);

        JarOutputStream jos = new JarOutputStream(os);

        jos.setMethod(JarEntry.STORED);

        jos.putNextEntry(je);

        for (int i=0; i<8; i++) {

            jos.write(bytes, 0, bytes.length);

        }

        jos.close();

        String[] jsArgs = { "-keystore", keystore, "-storepass", "bbbbbb",

                jarName, "b" };

        // now, try to sign it

        try {

            sun.security.tools.jarsigner.Main.main(jsArgs);

        } catch (OutOfMemoryError err) {

            throw new Exception("Test failed with OutOfMemoryError", err);

        } finally {

            // remove jar file

            file.delete();

        }

    }

}