Package org.apache.logging.log4j.core.util

Class FileUtils

java.lang.Object

org.apache.logging.log4j.core.util.FileUtils

public final class FileUtils
extends Object

File utilities.

Method Summary

Modifier and Type	Method	Description
static void	defineFilePosixAttributeView(Path path, Set<PosixFilePermission> filePermissions, String fileOwner, String fileGroup)	Define file POSIX attribute view on a path/file.
static File	fileFromUri(URI uri)	Tries to convert the specified URI to a file object.
static String	getFileExtension(File file)
static boolean	isFile(URL url)
static boolean	isFilePosixAttributeViewSupported()	Check if POSIX file attribute view is supported on the default FileSystem.
static void	makeParentDirs(File file)	Creates the parent directories for the given File.
static void	mkdir(File dir, boolean createDirectoryIfNotExisting)	Asserts that the given directory exists and creates it if necessary.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Method Details

fileFromUri

public static File fileFromUri(URI uri)

Tries to convert the specified URI to a file object. If this fails, null is returned.

Parameters:

uri - the URI

Returns:

the resulting file object

isFile

public static boolean isFile(URL url)

getFileExtension

public static String getFileExtension(File file)

mkdir

public static void mkdir(File dir,
 boolean createDirectoryIfNotExisting)
                  throws IOException

Asserts that the given directory exists and creates it if necessary.

Parameters:

dir - the directory that shall exist

createDirectoryIfNotExisting - specifies if the directory shall be created if it does not exist.

Throws:

IOException - thrown if the directory could not be created.

makeParentDirs

public static void makeParentDirs(File file)
                           throws IOException

Creates the parent directories for the given File.

Parameters:

file - For which parent directory is to be created.

Throws:

IOException - Thrown if the directory could not be created.

defineFilePosixAttributeView

public static void defineFilePosixAttributeView(Path path,
 Set<PosixFilePermission> filePermissions,
 String fileOwner,
 String fileGroup)
                                         throws IOException

Define file POSIX attribute view on a path/file.

Parameters:

path - Target path

filePermissions - Permissions to apply

fileOwner - File owner

fileGroup - File group

Throws:

IOException - If IO error during definition of file attribute view

isFilePosixAttributeViewSupported

public static boolean isFilePosixAttributeViewSupported()

Check if POSIX file attribute view is supported on the default FileSystem.

Returns:

true if POSIX file attribute view supported, false otherwise