get File Ownership Info - Java File Path IO

Java examples for File Path IO:File Permission

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Description

get File Ownership Info

Demo Code

/*//from w w w  .  j  a  v  a 2  s  . co  m
 * Copyright 2014 The Codehaus Foundation.
 *
 * 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.
 */
//package com.java2s;
import javax.annotation.Nonnull;
import javax.annotation.Nullable;
import java.io.File;
import java.io.IOException;
import java.nio.file.Files;
import java.nio.file.LinkOption;

import java.nio.file.attribute.FileOwnerAttributeView;

public class Main {
    public static void main(String[] argv) throws Exception {
        File file = new File("Main.java");
        System.out.println(getFileOwnershipInfo(file));
    }

    @Nullable
    public static FileOwnerAttributeView getFileOwnershipInfo(
            @Nonnull File file) throws IOException {
        try {
            return Files
                    .getFileAttributeView(file.toPath(),
                            FileOwnerAttributeView.class,
                            LinkOption.NOFOLLOW_LINKS);
        } catch (UnsupportedOperationException e) {
            return null;
        }
    }
}

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