Java Posix getPosixFilePermissions(int mode)

Description

Convert integer mode to PosixFilePermission object.

License

Apache License

Declaration

static Set<PosixFilePermission> getPosixFilePermissions(int mode) 

Method Source Code

//package com.java2s;
/*/*from w ww . ja v a 2 s  . c  om*/
 * Copyright 2017 Google LLC.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

import java.nio.file.attribute.PosixFilePermission;
import java.util.EnumSet;
import java.util.Set;

public class Main {
    /** Convert integer mode to {@link PosixFilePermission} object. */
    static Set<PosixFilePermission> getPosixFilePermissions(int mode) {
        Set<PosixFilePermission> result = EnumSet.noneOf(PosixFilePermission.class);

        if ((mode & 0400) != 0) {
            result.add(PosixFilePermission.OWNER_READ);
        }
        if ((mode & 0200) != 0) {
            result.add(PosixFilePermission.OWNER_WRITE);
        }
        if ((mode & 0100) != 0) {
            result.add(PosixFilePermission.OWNER_EXECUTE);
        }
        if ((mode & 040) != 0) {
            result.add(PosixFilePermission.GROUP_READ);
        }
        if ((mode & 020) != 0) {
            result.add(PosixFilePermission.GROUP_WRITE);
        }
        if ((mode & 010) != 0) {
            result.add(PosixFilePermission.GROUP_EXECUTE);
        }
        if ((mode & 04) != 0) {
            result.add(PosixFilePermission.OTHERS_READ);
        }
        if ((mode & 02) != 0) {
            result.add(PosixFilePermission.OTHERS_WRITE);
        }
        if ((mode & 01) != 0) {
            result.add(PosixFilePermission.OTHERS_EXECUTE);
        }
        return result;
    }
}

Related

1. addPermissions(Set permissions, String prefix, long mode)
2. fromPosixPermission(PosixFilePermission permission)
3. getFileMode(Set posixPermissions)
4. getPosixFileAttributes(@Nonnull File file)
5. getPosixPermissions(File forFile)
6. getPosixPermissions(int fileMode)
7. getPosixPermissionsAsInt( Set permissionSet)
8. givePerm(File f, Set perms)