/*

 * Copyright (c) 2006, 2017, 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.

 */

/**

 * @test

 * @bug 6449504

 * @run main/othervm B6449504 caching

 * @run main/othervm B6449504 no_caching

 * @summary REGRESSION: ZipException throws when try to read a XML file

 */

import java.io.File;

import java.io.IOException;

import java.io.InputStream;

import java.net.JarURLConnection;

import java.net.URL;

import java.nio.file.Files;

import java.nio.file.Paths;

import java.nio.file.StandardCopyOption;

public class B6449504 {

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

        setup();

        boolean caching = args[0].equals("caching");

        String dirname = System.getProperty("test.classes");

        File f = new File(dirname);

        dirname = f.toURI().toString();

        String u = "jar:" + dirname + "/bar.jar";

        URL url = new URL(u + "!/DoesNotExist.txt");

        System.out.println("url = " + url);

        JarURLConnection j1 = (JarURLConnection)url.openConnection();

        URL url2 = new URL(u + "!/test.txt");

        System.out.println("url2 = " + url2);

        JarURLConnection j2 = (JarURLConnection)url2.openConnection();

        j1.setUseCaches(caching);

        j2.setUseCaches(caching);

        /* connecting to j2 opens the jar file but does not read it */

        j2.connect();

        try {

            /* attempt to read a non-existing entry in the jar file

             * shows the bug, where the jar file is closed after the

             * attempt fails.

             */

            InputStream is = j1.getInputStream();

        } catch (IOException e) {

            System.out.println("Got expected exception from j1 ");

        }

        /* If bug present, this will fail because we think the jar

         * is ready to be read, after the connect() above, but we

         * get a ZipException because it has been closed

         */

        InputStream is = j2.getInputStream();

        readAndClose(is);

        System.out.println("OK");

    }

    static void readAndClose(InputStream is) throws IOException {

        while (is.read() != -1) ;

        is.close();

    }

    static void setup() throws IOException {

        Files.copy(Paths.get(System.getProperty("test.src"), "bar.jar"),

                   Paths.get(System.getProperty("test.classes"), "bar.jar"),

                   StandardCopyOption.REPLACE_EXISTING);

    }

}