/*

 * Copyright (c) 2003, 2010, 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 4408526 6854795

 * @summary Index the non-meta files in META-INF, such as META-INF/services.

 */

import java.io.*;

import java.util.Arrays;

import java.util.jar.*;

import java.util.zip.ZipFile;

public class MetaInf {

    static String jarName = "a.jar";

    static String INDEX = "META-INF/INDEX.LIST";

    static String SERVICES = "META-INF/services";

    static String contents =

        System.getProperty("test.src") + File.separatorChar + "jarcontents";

    static void run(String ... args) {

            throw new Error("jar failed: args=" + Arrays.toString(args));

    }

    static void copy(File from, File to) throws IOException {

        FileInputStream in = new FileInputStream(from);

        FileOutputStream out = new FileOutputStream(to);

        try {

            byte[] buf = new byte[8192];

            int n;

            while ((n = in.read(buf)) != -1)

                out.write(buf, 0, n);

        } finally {

            in.close();

            out.close();

        }

    }

    static boolean contains(File jarFile, String entryName)

        throws IOException {

        ZipFile zf = new ZipFile(jarFile);

        if ( zf != null ) {

            boolean result = zf.getEntry(entryName) != null;

            zf.close();

            return result;

        }

        return false;

    }

    static void checkContains(File jarFile, String entryName)

        throws IOException {

        if (! contains(jarFile, entryName))

            throw new Error(String.format("expected jar %s to contain %s",

                                          jarFile, entryName));

    }

    static void testIndex(String jarName) throws IOException {

        System.err.printf("jarName=%s%n", jarName);

        File jar = new File(jarName);

        // Create a jar to be indexed.

        run("cf", jarName, "-C", contents, SERVICES);

        for (int i = 0; i < 2; i++) {

            run("i", jarName);

            checkContains(jar, INDEX);

            checkContains(jar, SERVICES);

        }

        JarFile f = new JarFile(jarName);

        BufferedReader index =

            new BufferedReader(

                    new InputStreamReader(

                            f.getInputStream(f.getJarEntry(INDEX))));

        String line;

        while ((line = index.readLine()) != null) {

            if (line.equals(SERVICES)) {

                index.close();

                f.close();

                return;

            }

        }

        index.close();

        f.close();

        throw new Error(SERVICES + " not indexed.");

    }

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

        testIndex("a.jar");             // a path with parent == null

        testIndex("./a.zip");           // a path with parent != null

        // Try indexing a jar in the default temp directory.

        File tmpFile = File.createTempFile("MetaInf", null, null);

        try {

            testIndex(tmpFile.getPath());

        } finally {

            tmpFile.delete();

        }

    }

}