src/java.base/share/classes/jdk/internal/module/ModuleHashes.java

rev 58306 : 8240734: ModuleHashes attribute not reproducible between builds
Reviewed-by: duke
Contributed-by: hedongbo@huawei.com

*** 1,7 ****
  /*
!  * Copyright (c) 2015, 2016, 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.  Oracle designates this
--- 1,7 ----
  /*
!  * Copyright (c) 2015, 2020, 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.  Oracle designates this
*** 32,41 ****
--- 32,42 ----
  import java.nio.file.Path;
  import java.security.MessageDigest;
  import java.security.NoSuchAlgorithmException;
  import java.util.Collections;
  import java.util.HashMap;
+ import java.util.TreeMap;
  import java.util.Map;
  import java.util.Objects;
  import java.util.Set;
  
  /**
*** 132,142 ****
       * path to the entry (module artifact).
       *
       * @return ModuleHashes that encapsulates the hashes
       */
      public static ModuleHashes generate(Map<String, Path> map, String algorithm) {
!         Map<String, byte[]> nameToHash = new HashMap<>();
          for (Map.Entry<String, Path> entry: map.entrySet()) {
              String name = entry.getKey();
              Path path = entry.getValue();
              nameToHash.put(name, computeHash(path, algorithm));
          }
--- 133,143 ----
       * path to the entry (module artifact).
       *
       * @return ModuleHashes that encapsulates the hashes
       */
      public static ModuleHashes generate(Map<String, Path> map, String algorithm) {
!         Map<String, byte[]> nameToHash = new TreeMap<>();
          for (Map.Entry<String, Path> entry: map.entrySet()) {
              String name = entry.getKey();
              Path path = entry.getValue();
              nameToHash.put(name, computeHash(path, algorithm));
          }