org.apache.cassandra.io.util

Class FileUtils

java.lang.Object

org.apache.cassandra.io.util.FileUtils

public final class FileUtils
extends java.lang.Object

Constructor Summary

Constructors

Constructor and Description
FileUtils()

Method Summary

Modifier and Type	Method and Description
static void	clean(java.nio.ByteBuffer buffer)
static void	close(java.io.Closeable... cs)
static void	close(java.lang.Iterable<? extends java.io.Closeable> cs)
static void	closeQuietly(java.io.Closeable c)
static void	copyTo(java.io.DataInput in, java.io.OutputStream out, int length)
static void	createDirectory(java.io.File directory)
static void	createDirectory(java.lang.String directory)
static void	createHardLink(java.io.File from, java.io.File to)
static void	createHardLink(java.lang.String from, java.lang.String to)
static java.io.File	createTempFile(java.lang.String prefix, java.lang.String suffix)
static java.io.File	createTempFile(java.lang.String prefix, java.lang.String suffix, java.io.File directory)
static void	delete(java.io.File... files)
static boolean	delete(java.lang.String file)
static void	deleteAsync(java.lang.String file)
static void	deleteRecursive(java.io.File dir) Deletes all files and subdirectories under "dir".
static void	deleteRecursiveOnExit(java.io.File dir) Schedules deletion of all file and subdirectories under "dir" on JVM shutdown.
static void	deleteWithConfirm(java.io.File file)
static java.lang.Throwable	deleteWithConfirm(java.io.File file, boolean expect, java.lang.Throwable accumulate)
static void	deleteWithConfirm(java.lang.String file)
static java.lang.Throwable	deleteWithConfirm(java.lang.String filePath, boolean expect, java.lang.Throwable accumulate)
static long	folderSize(java.io.File directory) Get the size of a directory in bytes
static java.lang.String	getCanonicalPath(java.io.File file)
static java.lang.String	getCanonicalPath(java.lang.String filename)
static void	handleCorruptSSTable(CorruptSSTableException e)
static void	handleFSError(FSError e)
static boolean	isCleanerAvailable()
static boolean	isSubDirectory(java.io.File parent, java.io.File child)
static void	renameWithConfirm(java.io.File from, java.io.File to)
static void	renameWithConfirm(java.lang.String from, java.lang.String to)
static void	renameWithOutConfirm(java.lang.String from, java.lang.String to)
static void	setFSErrorHandler(FSErrorHandler handler)
static void	skipBytesFully(java.io.DataInput in, int bytes)
static java.lang.String	stringifyFileSize(double value)
static void	truncate(java.lang.String path, long size)

Methods inherited from class java.lang.Object

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

Constructor Detail

FileUtils

public FileUtils()

Method Detail

createHardLink

public static void createHardLink(java.lang.String from,
                                  java.lang.String to)

createHardLink

public static void createHardLink(java.io.File from,
                                  java.io.File to)

createTempFile

public static java.io.File createTempFile(java.lang.String prefix,
                                          java.lang.String suffix,
                                          java.io.File directory)

createTempFile

public static java.io.File createTempFile(java.lang.String prefix,
                                          java.lang.String suffix)

deleteWithConfirm

public static java.lang.Throwable deleteWithConfirm(java.lang.String filePath,
                                                    boolean expect,
                                                    java.lang.Throwable accumulate)

deleteWithConfirm

public static java.lang.Throwable deleteWithConfirm(java.io.File file,
                                                    boolean expect,
                                                    java.lang.Throwable accumulate)

deleteWithConfirm

public static void deleteWithConfirm(java.lang.String file)

deleteWithConfirm

public static void deleteWithConfirm(java.io.File file)

renameWithOutConfirm

public static void renameWithOutConfirm(java.lang.String from,
                                        java.lang.String to)

renameWithConfirm

public static void renameWithConfirm(java.lang.String from,
                                     java.lang.String to)

renameWithConfirm

public static void renameWithConfirm(java.io.File from,
                                     java.io.File to)

truncate

public static void truncate(java.lang.String path,
                            long size)

closeQuietly

public static void closeQuietly(java.io.Closeable c)

close

public static void close(java.io.Closeable... cs)
                  throws java.io.IOException

Throws:

java.io.IOException

close

public static void close(java.lang.Iterable<? extends java.io.Closeable> cs)
                  throws java.io.IOException

Throws:

java.io.IOException

getCanonicalPath

public static java.lang.String getCanonicalPath(java.lang.String filename)

getCanonicalPath

public static java.lang.String getCanonicalPath(java.io.File file)

isCleanerAvailable

public static boolean isCleanerAvailable()

clean

public static void clean(java.nio.ByteBuffer buffer)

createDirectory

public static void createDirectory(java.lang.String directory)

createDirectory

public static void createDirectory(java.io.File directory)

delete

public static boolean delete(java.lang.String file)

delete

public static void delete(java.io.File... files)

deleteAsync

public static void deleteAsync(java.lang.String file)

stringifyFileSize

public static java.lang.String stringifyFileSize(double value)

deleteRecursive

public static void deleteRecursive(java.io.File dir)

Deletes all files and subdirectories under "dir".

Parameters:

dir - Directory to be deleted

Throws:

FSWriteError - if any part of the tree cannot be deleted

deleteRecursiveOnExit

public static void deleteRecursiveOnExit(java.io.File dir)

Schedules deletion of all file and subdirectories under "dir" on JVM shutdown.

Parameters:

dir - Directory to be deleted

skipBytesFully

public static void skipBytesFully(java.io.DataInput in,
                                  int bytes)
                           throws java.io.IOException

Throws:

java.io.IOException

handleCorruptSSTable

public static void handleCorruptSSTable(CorruptSSTableException e)

handleFSError

public static void handleFSError(FSError e)

folderSize

public static long folderSize(java.io.File directory)

Get the size of a directory in bytes

Parameters:

directory - The directory for which we need size.

Returns:

The size of the directory

copyTo

public static void copyTo(java.io.DataInput in,
                          java.io.OutputStream out,
                          int length)
                   throws java.io.IOException

Throws:

java.io.IOException

isSubDirectory

public static boolean isSubDirectory(java.io.File parent,
                                     java.io.File child)
                              throws java.io.IOException

Throws:

java.io.IOException

setFSErrorHandler

public static void setFSErrorHandler(FSErrorHandler handler)