/*

 * Copyright (c) 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 8168254

 * @summary Detect duplicated resources in packaged modules

 * @modules jdk.jlink/jdk.tools.jlink.builder

 *          jdk.jlink/jdk.tools.jlink.internal

 * @run build ResourceDuplicateCheckTest

 * @run main ResourceDuplicateCheckTest

 */

import java.net.URI;

import java.nio.file.FileSystems;

import java.nio.file.Files;

import java.nio.file.Path;

import java.nio.file.Paths;

import java.util.Collections;

import jdk.tools.jlink.builder.DefaultImageBuilder;

import jdk.tools.jlink.internal.ResourcePoolEntryFactory;

import jdk.tools.jlink.internal.ResourcePoolManager;

import jdk.tools.jlink.plugin.PluginException;

import jdk.tools.jlink.plugin.ResourcePoolEntry;

public class ResourceDuplicateCheckTest {

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

        new ResourceDuplicateCheckTest().test();

    }

    public void test() throws Exception {

        ResourcePoolManager input = new ResourcePoolManager();

        // need java.base module info because OS name is retrieved from it from storeFiles

        input.add(ResourcePoolEntryFactory.create("/java.base/module-info.class",

                    ResourcePoolEntry.Type.CLASS_OR_RESOURCE, getJavaBaseModuleInfo()));

        // same NATIVE_CMD from two different modules

        input.add(newInMemoryImageFile("/com.acme/bin/myexec",

                    ResourcePoolEntry.Type.NATIVE_CMD, "mylib"));

        input.add(newInMemoryImageFile("/com.foo/bin/myexec",

                    ResourcePoolEntry.Type.NATIVE_CMD, "mylib"));

        Path root = Paths.get(System.getProperty("test.classes"));

        DefaultImageBuilder writer = new DefaultImageBuilder(root, Collections.emptyMap());

        try {

            writer.storeFiles(input.resourcePool());

        } catch (PluginException pe) {

            if (! pe.getMessage().contains("Duplicate resources:")) {

                throw new AssertionError("expected duplicate resources message");

            }

        }

    }

    private byte[] getJavaBaseModuleInfo() throws Exception {

        Path path = FileSystems.

                getFileSystem(URI.create("jrt:/")).

                getPath("/modules/java.base/module-info.class");

        return Files.readAllBytes(path);

    }

    private static ResourcePoolEntry newInMemoryImageFile(String path,

            ResourcePoolEntry.Type type, String content) {

        return ResourcePoolEntryFactory.create(path, type, content.getBytes());

    }

}