src/java.base/share/classes/java/util/zip/ZipEntry.java

rev 51866 : 6194856: Zip Files lose ALL ownership and permissions of the files

*** 1,7 ****
  /*
!  * Copyright (c) 1995, 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.  Oracle designates this
--- 1,7 ----
  /*
!  * Copyright (c) 1995, 2018, 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
*** 23,41 ****
   * questions.
   */
  
  package java.util.zip;
  
  import static java.util.zip.ZipUtils.*;
  import java.nio.file.attribute.FileTime;
! import java.util.Objects;
! import java.util.concurrent.TimeUnit;
  import java.time.LocalDateTime;
- import java.time.ZonedDateTime;
  import java.time.ZoneId;
! 
! import static java.util.zip.ZipConstants64.*;
  
  /**
   * This class is used to represent a ZIP file entry.
   *
   * @author      David Connelly
--- 23,45 ----
   * questions.
   */
  
  package java.util.zip;
  
+ import static java.util.zip.ZipConstants64.*;
  import static java.util.zip.ZipUtils.*;
+ 
  import java.nio.file.attribute.FileTime;
! import java.nio.file.attribute.PosixFilePermission;
! import java.nio.file.attribute.PosixFilePermissions;
  import java.time.LocalDateTime;
  import java.time.ZoneId;
! import java.time.ZonedDateTime;
! import java.util.Objects;
! import java.util.Optional;
! import java.util.Set;
! import java.util.concurrent.TimeUnit;
  
  /**
   * This class is used to represent a ZIP file entry.
   *
   * @author      David Connelly
*** 54,63 ****
--- 58,68 ----
      long crc = -1;      // crc-32 of entry data
      long size = -1;     // uncompressed size of entry data
      long csize = -1;    // compressed size of entry data
      int method = -1;    // compression method
      int flag = 0;       // general purpose flag
+     int posixPerms = -1; // posix permissions
      byte[] extra;       // optional extra field data for entry
      String comment;     // optional comment string for entry
  
      /**
       * Compression method for uncompressed entries.
*** 654,663 ****
--- 659,705 ----
      public boolean isDirectory() {
          return name.endsWith("/");
      }
  
      /**
+      * Returns the set of Posix file permissions that are associated with
+      * this ZipEntry. This information might not be present all times,
+      * e.g. it is platform dependend. Also, when reading a zip file via
+      * {@link ZipInputStream}, the posix permissions will be null
+      * because data is stored in the CEN of the zip file which is not
+      * evaluated then. If you rely on Posix permissions, you need to access
+      * the zip file via {@link ZipFile}.
+      *
+      * @return The set of Posix File permissions, in case they are associated.
+      *
+      * @since 12
+      */
+     public Optional<Set<PosixFilePermission>> getPosixPermissions() {
+         if (posixPerms == -1) {
+             return Optional.empty();
+         }
+         return Optional.of(PosixFilePermissions.fromFlags(posixPerms));
+     }
+ 
+     /**
+      * Sets the set of Posix file permissions for this ZipEntry.
+      *
+      * @param permissions A set of PosixFilePermissions. If the value is null,
+      *                    no permission information will be stored in the zip
+      *                    file.
+      *
+      * @since 12
+      */
+     public void setPosixPermissions(Set<PosixFilePermission> permissions) {
+         if (permissions == null) {
+             posixPerms = -1;
+             return;
+         }
+         posixPerms = PosixFilePermissions.toFlags(permissions);
+     }
+ 
+     /**
       * Returns a string representation of the ZIP entry.
       */
      public String toString() {
          return getName();
      }