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A Java NIO file system provider for HDFS

There is a newer version: 1.0.3

/*
 * Copyright 2016 Damien Carol 
 *
 * 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 hdfs.jsr203;

import java.nio.file.attribute.BasicFileAttributes;
import java.nio.file.attribute.FileTime;
import java.util.concurrent.TimeUnit;

import org.apache.hadoop.fs.FileStatus;

/**
 * Implementation of {@link BasicFileAttributes}.
 */
public class HadoopFileAttributes implements BasicFileAttributes {
    /* Internal implementation of file status */
    private final FileStatus fileStatus;
    private final Object fileKey;

    public HadoopFileAttributes(final Object fileKey, final FileStatus fileStatus) {
        this.fileKey = fileKey;
        this.fileStatus = fileStatus;
    }

    @Override
    public FileTime creationTime() {
        return FileTime.from(this.fileStatus.getModificationTime(), TimeUnit.MILLISECONDS);
    }

    @Override
    public Object fileKey() {
        return this.fileKey;
    }

    @Override
    public boolean isDirectory() {
        return this.fileStatus.isDirectory();
    }

    @Override
    public boolean isOther() {
        return false;
    }

    @Override
    public boolean isRegularFile() {
        return this.fileStatus.isFile();
    }

    @Override
    public boolean isSymbolicLink() {
        return this.fileStatus.isSymlink();
    }

    @Override
    public FileTime lastAccessTime() {
        return FileTime.from(this.fileStatus.getAccessTime(), TimeUnit.MILLISECONDS);
    }

    @Override
    public FileTime lastModifiedTime() {
        return FileTime.from(this.fileStatus.getModificationTime(), TimeUnit.MILLISECONDS);
    }

    @Override
    public long size() {
        return this.fileStatus.getLen();
    }

    protected FileStatus getFileStatus() {
        return fileStatus;
    }

}