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Uberfire NIO.2 :: Model
There is a newer version: 7.74.1.Final
/*
 * Copyright 2015 Red Hat, Inc. and/or its affiliates.
 *
 * 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 org.uberfire.java.nio.base;

import org.uberfire.java.nio.file.attribute.BasicFileAttributes;
import org.uberfire.java.nio.file.attribute.FileTime;

public class BasicFileAttributesImpl
        implements BasicFileAttributes {

    private final String fileKey;
    private final FileTime lastModifiedTime;
    private final FileTime creationTime;
    private final FileTime lastAccessTime;
    private final boolean isRegularFile;
    private final boolean isDirectory;
    private Long size = null;
    private LazyAttrLoader lazySizeLoader = null;

    public BasicFileAttributesImpl(final String fileKey,
                                   final FileTime lastModifiedTime,
                                   final FileTime creationTime,
                                   final FileTime lastAccessTime,
                                   final long size,
                                   final boolean isRegularFile,
                                   final boolean isDirectory) {
        this.fileKey = fileKey;
        this.lastModifiedTime = lastModifiedTime;
        this.creationTime = creationTime;
        this.lastAccessTime = lastAccessTime;
        this.size = size;
        this.isRegularFile = isRegularFile;
        this.isDirectory = isDirectory;
    }

    public BasicFileAttributesImpl(final String fileKey,
                                   final FileTime lastModifiedTime,
                                   final FileTime creationTime,
                                   final FileTime lastAccessTime,
                                   final LazyAttrLoader size,
                                   final boolean isRegularFile,
                                   final boolean isDirectory) {
        this.fileKey = fileKey;
        this.lastModifiedTime = lastModifiedTime;
        this.creationTime = creationTime;
        this.lastAccessTime = lastAccessTime;
        this.lazySizeLoader = size;
        this.isRegularFile = isRegularFile;
        this.isDirectory = isDirectory;
    }

    @Override
    public FileTime lastModifiedTime() {
        return lastModifiedTime;
    }

    @Override
    public FileTime lastAccessTime() {
        return lastAccessTime;
    }

    @Override
    public FileTime creationTime() {
        return creationTime;
    }

    @Override
    public boolean isRegularFile() {
        return isRegularFile;
    }

    @Override
    public boolean isDirectory() {
        return isDirectory;
    }

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

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

    @Override
    public long size() {
        if (lazySizeLoader != null) {
            return lazySizeLoader.get();
        }
        return size;
    }

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