集册 Java实例教程 通过NIO获取文件属性

通过NIO获取文件属性

欢马劈雪     最近更新时间:2020-01-02 10:19:05

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通过NIO获取文件属性
//from n o w j a v a . c o m - 时代Java

/*

 * 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.nowjava;

import javax.annotation.Nonnull;


import java.io.File;

import java.io.IOException;

import java.nio.file.Files;

import java.nio.file.LinkOption;

import java.nio.file.Path;

import java.nio.file.attribute.BasicFileAttributes;


import java.nio.file.attribute.PosixFileAttributes;


public class Main {

    public static void main(String[] argv) throws Exception {

        File file = new File("Main.java");

        System.out.println(getFileAttributes(file));

    }


    @Nonnull

    public static BasicFileAttributes getFileAttributes(@Nonnull File file)

            throws IOException {//时   代    Java - nowjava.com

        return getFileAttributes(file.toPath());

    }


    public static BasicFileAttributes getFileAttributes(Path path)

            throws IOException {

        if (path.getFileSystem().supportedFileAttributeViews()

                .contains("posix")) {


            try {

                return Files.readAttributes(path,

                        PosixFileAttributes.class,

                        
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