1 /*

     2  * Copyright (c) 2019, 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 import java.util.Set;

    25 import java.util.function.Predicate;

    26 import java.util.regex.Pattern;

    27 import java.util.stream.Collectors;

    28 

    29 /**

    30  * Launched by the test ServiceBinding to test modules in the boot layer.

    31  */

    32 

    33 public class TestBootLayer {

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

    35         Pattern splitter = Pattern.compile(",");

    36 

    37         // the names of all modules in the boot layer

    38         Set<String> modules = ModuleLayer.boot().modules().stream()

    39                 .map(Module::getName)

    40                 .collect(Collectors.toSet());

    41 

    42         // throw exception if an expected module is not in the boot layer

    43         splitter.splitAsStream(args[0])

    44                 .filter(Predicate.not(String::isEmpty))

    45                 .filter(mn -> !modules.contains(mn))

    46                 .findAny()

    47                 .ifPresent(mn -> {

    48                     throw new RuntimeException(mn + " not in boot layer!!!");

    49                 });

    50 

    51         // throw exception if an unexpected module is in the boot layer

    52         splitter.splitAsStream(args[1])

    53                 .filter(Predicate.not(String::isEmpty))

    54                 .filter(mn -> modules.contains(mn))

    55                 .findAny()

    56                 .ifPresent(mn -> {

    57                     throw new RuntimeException(mn + " in boot layer!!!!");

    58                 });

    59     }

    60 }