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java.nio.file.attribute

Interface FileOwnerAttributeView

Contents
  • All Superinterfaces:
    AttributeView, FileAttributeView
    All Known Subinterfaces:
    AclFileAttributeView, PosixFileAttributeView

    public interface FileOwnerAttributeView
extends FileAttributeView
    A file attribute view that supports reading or updating the owner of a file. This file attribute view is intended for file system implementations that support a file attribute that represents an identity that is the owner of the file. Often the owner of a file is the identity of the entity that created the file.

    The getOwner or setOwner methods may be used to read or update the owner of the file.

    The getAttribute and setAttribute methods may also be used to read or update the owner. In that case, the owner attribute is identified by the name "owner", and the value of the attribute is a UserPrincipal.

    Since:
    1.7

    • Method Detail

      • name

        String name()
        Returns the name of the attribute view. Attribute views of this type have the name "owner".
        Specified by:
        name in interface AttributeView

      • setOwner

        void setOwner(UserPrincipal owner)
              throws IOException
        Updates the file owner.

        It it implementation specific if the file owner can be a group. To ensure consistent and correct behavior across platforms it is recommended that this method should only be used to set the file owner to a user principal that is not a group.

        Parameters:
        owner - the new file owner
        Throws:
        IOException - if an I/O error occurs, or the owner parameter is a group and this implementation does not support setting the owner to a group
        SecurityException - In the case of the default provider, a security manager is installed, and it denies RuntimePermission("accessUserInformation") or its checkWrite method denies write access to the file.

Document created the 11/06/2005, last modified the 04/03/2020
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