org.owasp.dependencycheck.utils

Class FileUtils

java.lang.Object

org.owasp.dependencycheck.utils.FileUtils

public final class FileUtils
extends Object

A collection of utilities for processing information about files.

Author:

Jeremy Long

Method Summary

Modifier and Type	Method and Description
static void	close(Closeable closeable) Close the given Closeable instance, ignoring nulls, and logging any thrown IOException.
static File	createTempDirectory(File base) Creates a unique temporary directory in the given directory.
static boolean	delete(File file) Deletes a file.
static String	getBitBucket() Return the bit bucket for the OS.
static String	getFileExtension(String fileName) Returns the (lowercase) file extension for a specified file.
static File	getTempFile(String prefix, String extension) Generates a new temporary file name that is guaranteed to be unique.

Methods inherited from class java.lang.Object

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

Method Detail

getFileExtension

public static String getFileExtension(String fileName)

Returns the (lowercase) file extension for a specified file.

Parameters:

fileName - the file name to retrieve the file extension from.

Returns:

the file extension.

delete

public static boolean delete(File file)

Deletes a file. If the File is a directory it will recursively delete the contents.

Parameters:

file - the File to delete

Returns:

true if the file was deleted successfully, otherwise false

createTempDirectory

public static File createTempDirectory(File base)
                                throws IOException

Creates a unique temporary directory in the given directory.

Parameters:

base - the base directory to create a temporary directory within

Returns:

the temporary directory

Throws:

IOException - thrown when a directory cannot be created within the base directory

getTempFile

public static File getTempFile(String prefix,
                               String extension)
                        throws IOException

Generates a new temporary file name that is guaranteed to be unique.

Parameters:

prefix - the prefix for the file name to generate

extension - the extension of the generated file name

Returns:

a temporary File

Throws:

IOException - thrown if the temporary folder could not be created

getBitBucket

public static String getBitBucket()

Return the bit bucket for the OS. '/dev/null' for Unix and 'NUL' for Windows

Returns:

a String containing the bit bucket

close

public static void close(Closeable closeable)

Close the given Closeable instance, ignoring nulls, and logging any thrown IOException.

Parameters:

closeable - to be closed