Get file basic file attributes in Java

'BasicFileAttributes' interface define methods to get all the basic attributes associated with a file.

 

How to get BasicFileAttributes object of a file?

filePath
.getFileSystem()
.provider()
.getFileAttributeView(filePath, BasicFileAttributeView.class, LinkOption.NOFOLLOW_LINKS)
.readAttributes();

 

Find the below working application.

 

BasicFileAttributesDemo.java

package com.sample.app.files;

import java.io.File;
import java.io.IOException;
import java.nio.file.LinkOption;
import java.nio.file.Path;
import java.nio.file.attribute.BasicFileAttributeView;
import java.nio.file.attribute.BasicFileAttributes;
import java.nio.file.attribute.FileTime;
import java.util.Objects;

public class BasicFileAttributesDemo {

	public static final BasicFileAttributes getBasicAttributes(final String filePath) throws IOException {
		Objects.requireNonNull(filePath, "filePath is null");
		return getBasicAttributes(new File(filePath));
	}

	public static final BasicFileAttributes getBasicAttributes(final File filePath) throws IOException {
		Objects.requireNonNull(filePath, "filePath is null");
		return getBasicAttributes(filePath.toPath());

	}

	public static final BasicFileAttributes getBasicAttributes(final Path filePath) throws IOException {
		Objects.requireNonNull(filePath, "filePath is null");

		return filePath.getFileSystem().provider()
				.getFileAttributeView(filePath, BasicFileAttributeView.class, LinkOption.NOFOLLOW_LINKS)
				.readAttributes();
	}

	public static void main(String[] args) throws IOException {
		final String filePath = "/Users/Shared/filePrograms/a.txt";

		final BasicFileAttributes basicFileAttributes = getBasicAttributes(filePath);

		final FileTime creationTime = basicFileAttributes.creationTime();
		final Object fileKey = basicFileAttributes.fileKey();
		final boolean isDirectiory = basicFileAttributes.isDirectory();
		final boolean isRegularFile = basicFileAttributes.isRegularFile();
		final boolean isSymbolicLink = basicFileAttributes.isSymbolicLink();
		final FileTime lastAccessTime = basicFileAttributes.lastAccessTime();
		final FileTime lastModifiedTime = basicFileAttributes.lastModifiedTime();
		final long fileSizeInBytes = basicFileAttributes.size();

		System.out.println("creationTime : " + creationTime);
		System.out.println("fileKey : " + fileKey);
		System.out.println("isDirectiory : " + isDirectiory);
		System.out.println("isRegularFile : " + isRegularFile);
		System.out.println("isSymbolicLink : " + isSymbolicLink);
		System.out.println("lastAccessTime : " + lastAccessTime);
		System.out.println("lastModifiedTime : " + lastModifiedTime);
		System.out.println("fileSizeInBytes : " + fileSizeInBytes);

	}

}

Output

creationTime : 2023-01-07T15:41:28Z
fileKey : (dev=1000004,ino=37049869)
isDirectiory : false
isRegularFile : true
isSymbolicLink : false
lastAccessTime : 2023-01-07T15:41:30Z
lastModifiedTime : 2023-01-07T15:41:28Z
fileSizeInBytes : 12

 

 

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