1 /*

     2  * Copyright (c) 2017, Oracle and/or its affiliates. All rights reserved.

     3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.

     4  *

     5  * This code is free software; you can redistribute it and/or modify it

     6  * under the terms of the GNU General Public License version 2 only, as

     7  * published by the Free Software Foundation.

     8  *

     9  * This code is distributed in the hope that it will be useful, but WITHOUT

    10  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or

    11  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License

    12  * version 2 for more details (a copy is included in the LICENSE file that

    13  * accompanied this code).

    14  *

    15  * You should have received a copy of the GNU General Public License version

    16  * 2 along with this work; if not, write to the Free Software Foundation,

    17  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.

    18  *

    19  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA

    20  * or visit www.oracle.com if you need additional information or have any

    21  * questions.

    22  */

    23 

    24 /*

    25  * @test

    26  * @bug 8168254

    27  * @summary Detect duplicated resources in packaged modules

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

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

    30  *          jdk.jlink/jdk.tools.jlink.plugin

    31  * @run build ResourceDuplicateCheckTest

    32  * @run main ResourceDuplicateCheckTest

    33  */

    34 

    35 import java.net.URI;

    36 import java.nio.file.FileSystems;

    37 import java.nio.file.Files;

    38 import java.nio.file.Path;

    39 import java.nio.file.Paths;

    40 import java.util.Collections;

    41 import jdk.tools.jlink.builder.DefaultImageBuilder;

    42 import jdk.tools.jlink.internal.ResourcePoolEntryFactory;

    43 import jdk.tools.jlink.internal.ResourcePoolManager;

    44 import jdk.tools.jlink.plugin.PluginException;

    45 import jdk.tools.jlink.plugin.ResourcePoolEntry;

    46 

    47 public class ResourceDuplicateCheckTest {

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

    49         new ResourceDuplicateCheckTest().test();

    50     }

    51 

    52     public void test() throws Exception {

    53         ResourcePoolManager input = new ResourcePoolManager();

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

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

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

    57 

    58         // same NATIVE_CMD from two different modules

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

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

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

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

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

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

    65         try {

    66             writer.storeFiles(input.resourcePool());

    67         } catch (PluginException pe) {

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

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

    70             }

    71         }

    72     }

    73 

    74     private byte[] getJavaBaseModuleInfo() throws Exception {

    75         Path path = FileSystems.

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

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

    78         return Files.readAllBytes(path);

    79     }

    80 

    81     private static ResourcePoolEntry newInMemoryImageFile(String path,

    82             ResourcePoolEntry.Type type, String content) {

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

    84     }

    85 }