55 lines
2.4 KiB
Java
55 lines
2.4 KiB
Java
/*
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* Copyright (c) 2007, 2009, Oracle and/or its affiliates. All rights reserved.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* This code is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 only, as
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* published by the Free Software Foundation. Oracle designates this
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* particular file as subject to the "Classpath" exception as provided
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* by Oracle in the LICENSE file that accompanied this code.
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*
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* This code is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* version 2 for more details (a copy is included in the LICENSE file that
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* accompanied this code).
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*
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* You should have received a copy of the GNU General Public License version
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* 2 along with this work; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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* or visit www.oracle.com if you need additional information or have any
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* questions.
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*/
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package java.nio.file.attribute;
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import java.security.Principal;
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/**
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* A {@code Principal} representing an identity used to determine access rights
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* to objects in a file system.
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*
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* <p> On many platforms and file systems an entity requires appropriate access
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* rights or permissions in order to access objects in a file system. The
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* access rights are generally performed by checking the identity of the entity.
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* For example, on implementations that use Access Control Lists (ACLs) to
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* enforce privilege separation then a file in the file system may have an
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* associated ACL that determines the access rights of identities specified in
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* the ACL.
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*
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* <p> A {@code UserPrincipal} object is an abstract representation of an
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* identity. It has a {@link #getName() name} that is typically the username or
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* account name that it represents. User principal objects may be obtained using
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* a {@link UserPrincipalLookupService}, or returned by {@link
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* FileAttributeView} implementations that provide access to identity related
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* attributes. For example, the {@link AclFileAttributeView} and {@link
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* PosixFileAttributeView} provide access to a file's {@link
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* PosixFileAttributes#owner owner}.
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*
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* @since 1.7
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*/
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public interface UserPrincipal extends Principal { }
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