/*

 * Copyright (c) 2011, 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.File;

import java.io.FileOutputStream;

import java.io.InputStream;

import java.io.OutputStream;

import java.net.URL;

import java.net.URLClassLoader;

import java.net.URLConnection;

import java.util.zip.CRC32;

import java.util.zip.ZipEntry;

import java.util.zip.ZipOutputStream;

/**

 * @test

 * @bug 7050028

 * @summary  ISE "zip file closed" from JarURLConnection.getInputStream on JDK 7 when !useCaches

 * @run main/othervm B7050028

 */

public class B7050028 {

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

        URLConnection conn = B7050028.class.getResource("B7050028.class").openConnection();

        int len = conn.getContentLength();

        byte[] data = new byte[len];

        InputStream is = conn.getInputStream();

        is.read(data);

        is.close();

        conn.setDefaultUseCaches(false);

        File jar = File.createTempFile("B7050028", ".jar");

        jar.deleteOnExit();

        OutputStream os = new FileOutputStream(jar);

        ZipOutputStream zos = new ZipOutputStream(os);

        ZipEntry ze = new ZipEntry("B7050028.class");

        ze.setMethod(ZipEntry.STORED);

        ze.setSize(len);

        CRC32 crc = new CRC32();

        crc.update(data);

        ze.setCrc(crc.getValue());

        zos.putNextEntry(ze);

        zos.write(data, 0, len);

        zos.closeEntry();

        zos.finish();

        zos.close();

        os.close();

        System.out.println(new URLClassLoader(new URL[] {new URL("jar:" + jar.toURI() + "!/")}, ClassLoader.getSystemClassLoader().getParent()).loadClass(B7050028.class.getName()));

    }

    private B7050028() {}

}