content: /*
   * Copyright (c) 2007, 2011, 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
   * particular file as subject to the "Classpath" exception as provided
   * by Oracle in the LICENSE file that accompanied this code.
   *
   * 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
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   */
  
  package java.nio.file.attribute;
  
  import java.util.Set;
  
  /**
   * File attributes associated with files on file systems used by operating systems
   * that implement the Portable Operating System Interface (POSIX) family of
   * standards.
   *
   * <p> The POSIX attributes of a file are retrieved using a {@link
   * PosixFileAttributeView} by invoking its {@link
   * PosixFileAttributeView#readAttributes readAttributes} method.
   *
   * @since 1.7
   */
  
  public interface PosixFileAttributes
      extends BasicFileAttributes
  {
      /**
       * Returns the owner of the file.
       *
       * @return  the file owner
       *
       * @see PosixFileAttributeView#setOwner
       */
      UserPrincipal owner();
  
      /**
       * Returns the group owner of the file.
       *
       * @return  the file group owner
       *
       * @see PosixFileAttributeView#setGroup
       */
      GroupPrincipal group();
  
      /**
       * Returns the permissions of the file. The file permissions are returned
       * as a set of {@link PosixFilePermission} elements. The returned set is a
       * copy of the file permissions and is modifiable. This allows the result
       * to be modified and passed to the {@link PosixFileAttributeView#setPermissions
       * setPermissions} method to update the file's permissions.
       *
       * @return  the file permissions
       *
       * @see PosixFileAttributeView#setPermissions
       */
      Set<PosixFilePermission> permissions();
  }
  