com.dynalivery.saffron.client
Class FileUtilities

java.lang.Object
  com.dynalivery.saffron.client.FileUtilities

public class FileUtilities

extends java.lang.Object

This class defines some useful methods for manipulating files and filenames.

Field Summary

static int

BUFFER_SIZE_IN_BYTES

Constructor Summary

FileUtilities()

Method Summary

static void	copyFile(java.io.File sourceFile, java.io.File destFile) Copy a file
static byte[]	createByteArrayFromFile(java.io.File file) Returns a byte array with the entire contents of the specified file
static byte[]	createByteArrayFromStream(java.io.InputStream inputStream) Returns a byte array with the entire contents of the specified file
static void	extractZipFile(java.lang.String dirPathname, java.lang.String zipFilename)
static java.io.File	findFile(java.lang.String filename) Find a file.
static java.lang.String	getLastPathnameElement(java.lang.String pathname) Get last element of pathname
static java.util.ArrayList	getNestedFiles(java.lang.String directory, java.lang.String filename)
static java.lang.String	getParentPathname(java.lang.String pathname) Get parent's pathname
static java.lang.String	setLastPathnameElement(java.lang.String pathname, java.lang.String newLastElement) Set the last element of a pathname
static void	writeByteArrayToFile(java.io.File file, byte[] byteArray) Writes a byte array to the specified file
static void	zipDirectory(java.lang.String dirPathname, java.lang.String zipFilename, boolean deleteFiles) Zip the files in specified directory
static void	zipFiles(java.lang.String[] pathnames, java.lang.String zipFilename, boolean deleteFiles) Zip the specified files

Methods inherited from class java.lang.Object

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

Field Detail

BUFFER_SIZE_IN_BYTES

public static final int BUFFER_SIZE_IN_BYTES

See Also:

Constant Field Values

Constructor Detail

FileUtilities

public FileUtilities()

Method Detail

createByteArrayFromFile

public static byte[] createByteArrayFromFile(java.io.File file)
                                      throws java.io.FileNotFoundException,
                                             java.io.IOException

Returns a byte array with the entire contents of the specified file

Parameters:

file - the File to be read

Returns:

byte array of the file contents

Throws:

java.io.FileNotFoundException

java.io.IOException

createByteArrayFromStream

public static byte[] createByteArrayFromStream(java.io.InputStream inputStream)
                                        throws java.io.IOException

Returns a byte array with the entire contents of the specified file

Parameters:

inputStream - the InputStream to be read

Returns:

byte array of the file contents

Throws:

java.io.IOException

writeByteArrayToFile

public static void writeByteArrayToFile(java.io.File file,
                                        byte[] byteArray)
                                 throws java.io.FileNotFoundException,
                                        java.io.IOException

Writes a byte array to the specified file

Parameters:

file - the File to be written

byteArray - of the file contents

Throws:

java.io.FileNotFoundException

java.io.IOException

getParentPathname

public static java.lang.String getParentPathname(java.lang.String pathname)

Get parent's pathname

Parameters:

pathname - full pathname to be parsed

Returns:

original pathname except last element

getLastPathnameElement

public static java.lang.String getLastPathnameElement(java.lang.String pathname)

Get last element of pathname

Parameters:

pathname - full pathname to be parsed

Returns:

last element of pathname

setLastPathnameElement

public static java.lang.String setLastPathnameElement(java.lang.String pathname,
                                                      java.lang.String newLastElement)

Set the last element of a pathname

Parameters:

pathname - full pathname to be parsed

newLastElement - the String to replace the last pathname element

Returns:

modified pathname

copyFile

public static void copyFile(java.io.File sourceFile,
                            java.io.File destFile)
                     throws java.io.IOException

Copy a file

Parameters:

sourceFile - the source File

destFile - the destination File

Throws:

java.io.IOException

findFile

public static java.io.File findFile(java.lang.String filename)

Find a file. This method searches the current directory first and then the classpath.

Parameters:

filename - the filename we are looking for

Returns:

the desired File object or null if file is not found

getNestedFiles

public static java.util.ArrayList getNestedFiles(java.lang.String directory,
                                                 java.lang.String filename)

zipDirectory

public static void zipDirectory(java.lang.String dirPathname,
                                java.lang.String zipFilename,
                                boolean deleteFiles)
                         throws java.io.IOException

Zip the files in specified directory

Parameters:

dirPathname - the pathname String for the source directory

zipFilename - the filename String for the destination zip file

deleteFiles - true if files should be deleted after zip file is built

Throws:

java.io.IOException

zipFiles

public static void zipFiles(java.lang.String[] pathnames,
                            java.lang.String zipFilename,
                            boolean deleteFiles)
                     throws java.io.IOException

Zip the specified files

Parameters:

pathnames - String array of pathname to be deleted

zipFilename - the filename String for the destination zip file

deleteFiles - true if files should be deleted after zip file is built

Throws:

java.io.IOException

extractZipFile

public static void extractZipFile(java.lang.String dirPathname,
                                  java.lang.String zipFilename)
                           throws java.io.IOException

Throws:

java.io.IOException