/*

 * Copyright (c) 2019, 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

 * or visit www.oracle.com if you need additional information or have any

 * questions.

 */

package jdk.nio.zipfs;

import java.io.IOException;

import java.nio.file.attribute.GroupPrincipal;

import java.nio.file.attribute.PosixFileAttributeView;

import java.nio.file.attribute.PosixFileAttributes;

import java.nio.file.attribute.UserPrincipal;

/**

 * The zip file system attribute view with POSIX support.

 */

class ZipPosixFileAttributeView extends ZipFileAttributeView implements PosixFileAttributeView {

    private final boolean isOwnerView;

    ZipPosixFileAttributeView(ZipPath path, boolean owner) {

        super(path, true);

        this.isOwnerView = owner;

    }

    @Override

    public String name() {

        return isOwnerView ? "owner" : "posix";

    }

    @Override

    public PosixFileAttributes readAttributes() throws IOException {

        return (PosixFileAttributes)path.readAttributes();

    }

    @Override

    public UserPrincipal getOwner() throws IOException {

        return readAttributes().owner();

    }

    @Override

    public void setOwner(UserPrincipal owner) throws IOException {

        path.setOwner(owner);

    }

    @Override

    public void setGroup(GroupPrincipal group) throws IOException {

        path.setGroup(group);

    }

    @Override

    Object attribute(AttrID id, ZipFileAttributes zfas) {

        PosixFileAttributes pzfas = (PosixFileAttributes)zfas;

        switch (id) {

        case owner:

            return pzfas.owner();

        case group:

            return pzfas.group();

        case permissions:

            if (!isOwnerView) {

                return pzfas.permissions();

            } else {

                return super.attribute(id, zfas);

            }

        default:

            return super.attribute(id, zfas);

        }

    }

}