net.sourceforge.jpotpourri.util
Class FileUtil

java.lang.Object
  net.sourceforge.jpotpourri.util.FileUtil

public class FileUtil
extends java.lang.Object

Author:

christoph_pickl@users.sourceforge.net

Constructor Summary

protected

FileUtil()

Method Summary

static java.io.File	copyDirectoryRecursive(java.io.File sourceDir, java.io.File targetSuperDir)
static void	copyFile(java.io.File sourceFile, java.io.File targetFile)
static void	deleteDirectoryRecursive(java.io.File directory)
static java.lang.String	extractExtension(java.io.File file)
static java.lang.String	extractExtension(java.lang.String fileName)
static java.lang.String	extractLastFolderName(java.lang.String path)
static java.lang.String	formatFileSize(long inKiloByte)
static java.lang.String	formatFileSizeGb(long inKiloByte)
static java.lang.String	getFileContent(java.io.File file)
static java.lang.String	getFileContent(java.lang.String absoluteAbsolutePath)
static java.lang.String	getFileContentsFromJar(java.lang.String jarFile, int initialCapacityOfStringBuilder)
static double	getGigaByteFromKiloByte(long kb)
static java.io.File	getParentByPath(java.io.File file)
static long	getSizeRecursive(java.io.File file)
static boolean	isHiddenFile(java.io.File file)
static void	main(java.lang.String[] args)
static void	writeFileContent(java.io.File file, java.lang.String content)

Methods inherited from class java.lang.Object

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

Constructor Detail

FileUtil

protected FileUtil()

Method Detail

extractExtension

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

Returns:

null if no extension; otherwise lowercase suffix behind last "."

extractExtension

public static java.lang.String extractExtension(java.lang.String fileName)

Returns:

null if no extension; otherwise lowercase suffix behind last "."

copyFile

public static void copyFile(java.io.File sourceFile,
                            java.io.File targetFile)
                     throws FileUtilException

Throws:

FileUtilException

copyDirectoryRecursive

public static java.io.File copyDirectoryRecursive(java.io.File sourceDir,
                                                  java.io.File targetSuperDir)
                                           throws FileUtilException

Throws:

FileUtilException

formatFileSize

public static java.lang.String formatFileSize(long inKiloByte)

Returns:

something like "13.3 KB" or "3.1 GB"

formatFileSizeGb

public static java.lang.String formatFileSizeGb(long inKiloByte)

getGigaByteFromKiloByte

public static double getGigaByteFromKiloByte(long kb)

deleteDirectoryRecursive

public static void deleteDirectoryRecursive(java.io.File directory)
                                     throws FileUtilException

Throws:

FileUtilException

isHiddenFile

public static boolean isHiddenFile(java.io.File file)

getFileContentsFromJar

public static java.lang.String getFileContentsFromJar(java.lang.String jarFile,
                                                      int initialCapacityOfStringBuilder)
                                               throws FileUtilException

Throws:

FileUtilException

extractLastFolderName

public static java.lang.String extractLastFolderName(java.lang.String path)

getSizeRecursive

public static long getSizeRecursive(java.io.File file)

getParentByPath

public static java.io.File getParentByPath(java.io.File file)

writeFileContent

public static void writeFileContent(java.io.File file,
                                    java.lang.String content)
                             throws java.io.IOException

Throws:

java.io.IOException

getFileContent

public static java.lang.String getFileContent(java.io.File file)
                                       throws java.io.IOException

Throws:

java.io.IOException

getFileContent

public static java.lang.String getFileContent(java.lang.String absoluteAbsolutePath)
                                       throws java.io.IOException

Throws:

java.io.IOException

main

public static void main(java.lang.String[] args)