org.jahia.utils

Class FileUtils

java.lang.Object

org.jahia.utils.FileUtils

public final class FileUtils
extends Object

Method Summary

Modifier and Type	Method and Description
static String	calculateDigest(InputStream is) Calculates the MD5 digest from the content of the supplied input stream.
static void	cleanDirectory(File directory, FileFilter filter) Cleans a directory without deleting it, considering also named exclusions.
static String	getContent(org.springframework.core.io.Resource resource) Returns the content of the specified Resource as a string.
static String	getExtension(String fileName)
static String	getExtensionFromMimeType(String mimeType)
static String[]	getFileExtensionIconsMapping()
static String	getFileIcon(String fileName) Return file icon for the given file name, based on the extension
static String	getFileIconFromMimetype(String mimeType) Return file icon for the given mime type
static long	getLastModified(org.springframework.core.io.Resource resource) Returns the last modified date of the specified resource.
static List<org.artofsolving.jodconverter.document.DocumentFormat>	getPossibleFormats()
static String	humanReadableByteCount(long bytes) Returns a human-readable representation of the file size (number of bytes).
static String	humanReadableByteCount(long bytes, boolean withDetails) Returns a human-readable representation of the file size (number of bytes).
static void	moveDirectoryContentToDirectory(File srcDir, File destDir, FileFilter filter) Moves the content of the directory to the specified one considering the filter.

Methods inherited from class java.lang.Object

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

Method Detail

calculateDigest

public static String calculateDigest(InputStream is)

Calculates the MD5 digest from the content of the supplied input stream. The supplied stream is closed after reading it.

Parameters:

is - the resource input stream

Returns:

the MD5 digest (as a HEX string) from the content of the supplied input stream

cleanDirectory

public static void cleanDirectory(File directory,
                                  FileFilter filter)
                           throws IOException

Cleans a directory without deleting it, considering also named exclusions.

Parameters:

directory - directory to clean

filter - the file filter to consider

Throws:

IOException - in case cleaning is unsuccessful

See Also:

FileUtils.cleanDirectory(File)

getContent

public static String getContent(org.springframework.core.io.Resource resource)
                         throws IOException

Returns the content of the specified Resource as a string.

Parameters:

resource - the resource to be read

Returns:

the content of the specified Resource as a string

Throws:

IOException - in case of an I/O error

getExtension

public static String getExtension(String fileName)

getExtensionFromMimeType

public static String getExtensionFromMimeType(String mimeType)

getFileExtensionIconsMapping

public static String[] getFileExtensionIconsMapping()

getFileIcon

public static String getFileIcon(String fileName)

Return file icon for the given file name, based on the extension

Parameters:

fileName - the name of the file

Returns:

the icon name

getFileIconFromMimetype

public static String getFileIconFromMimetype(String mimeType)

Return file icon for the given mime type

Parameters:

mimeType - the mime type of the file

Returns:

the icon name

getLastModified

public static long getLastModified(org.springframework.core.io.Resource resource)
                            throws IOException

Returns the last modified date of the specified resource.

Parameters:

resource - resource to check the last modified date on

Returns:

the last modified date of the specified resource

Throws:

IOException - in case of an I/O error

getPossibleFormats

public static List<org.artofsolving.jodconverter.document.DocumentFormat> getPossibleFormats()

humanReadableByteCount

public static String humanReadableByteCount(long bytes)

Returns a human-readable representation of the file size (number of bytes).

Parameters:

bytes - the file size in bytes

Returns:

a human-readable representation of the file size (number of bytes)

humanReadableByteCount

public static String humanReadableByteCount(long bytes,
                                            boolean withDetails)

Returns a human-readable representation of the file size (number of bytes).

Parameters:

bytes - the file size in bytes

withDetails - if true the full display view is used, which also includes the byte count

Returns:

a human-readable representation of the file size (number of bytes)

moveDirectoryContentToDirectory

public static void moveDirectoryContentToDirectory(File srcDir,
                                                   File destDir,
                                                   FileFilter filter)
                                            throws IOException

Moves the content of the directory to the specified one considering the filter.

Parameters:

srcDir - the source directory to move content from

destDir - the target directory

filter - a filter for inclusions

Throws:

IOException - in case of an I/O errors