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

Class FileUtils

  • public final class FileUtils
extends java.lang.Object
    File utilities.

    • Field Summary

      Fields 
      Modifier and Type Field Description
      private static java.lang.String JBOSS_FILE  
      private static Logger LOGGER  
      private static java.lang.String PROTOCOL_FILE
      Constant for the file URL protocol.

    • Constructor Summary

      Constructors 
      Modifier Constructor Description
      private FileUtils()  

    • Method Summary

      All Methods Static Methods Concrete Methods 
      Modifier and Type Method Description
      static void defineFilePosixAttributeView​(java.nio.file.Path path, java.util.Set<java.nio.file.attribute.PosixFilePermission> filePermissions, java.lang.String fileOwner, java.lang.String fileGroup)
      Define file POSIX attribute view on a path/file.
      static java.io.File fileFromUri​(java.net.URI uri)
      Tries to convert the specified URI to a file object.
      static java.lang.String getFileExtension​(java.io.File file)  
      static boolean isFile​(java.net.URL url)  
      static boolean isFilePosixAttributeViewSupported()
      Check if POSIX file attribute view is supported on the default FileSystem.
      static void makeParentDirs​(java.io.File file)
      Creates the parent directories for the given File.
      static void mkdir​(java.io.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

    • Field Detail

      • PROTOCOL_FILE

        private static final java.lang.String PROTOCOL_FILE
        Constant for the file URL protocol.
        See Also:
        Constant Field Values

      • LOGGER

        private static final Logger LOGGER

    • Constructor Detail

      • FileUtils

        private FileUtils()

    • Method Detail

      • fileFromUri

        public static java.io.File fileFromUri​(java.net.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​(java.net.URL url)

      • getFileExtension

        public static java.lang.String getFileExtension​(java.io.File file)

      • mkdir

        public static void mkdir​(java.io.File dir,
                         boolean createDirectoryIfNotExisting)
                  throws java.io.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:
        java.io.IOException - thrown if the directory could not be created.

      • makeParentDirs

        public static void makeParentDirs​(java.io.File file)
                           throws java.io.IOException
        Creates the parent directories for the given File.
        Parameters:
        file -
        Throws:
        java.io.IOException

      • defineFilePosixAttributeView

        public static void defineFilePosixAttributeView​(java.nio.file.Path path,
                                                java.util.Set<java.nio.file.attribute.PosixFilePermission> filePermissions,
                                                java.lang.String fileOwner,
                                                java.lang.String fileGroup)
                                         throws java.io.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:
        java.io.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