org.owasp.dependencycheck.utils

Class ExtractionUtil

java.lang.Object

org.owasp.dependencycheck.utils.ExtractionUtil

@ThreadSafe
public final class ExtractionUtil
extends Object

Set of utilities to extract files from archives.

Author:

Jeremy Long

Method Summary

Modifier and Type	Method and Description
static void	extractFiles(File archive, File extractTo) Extracts the contents of an archive into the specified directory.
static void	extractFiles(File archive, File extractTo, Engine engine) Extracts the contents of an archive into the specified directory.
static void	extractFiles(InputStream archive, File extractTo) Extracts the contents of an archive into the specified directory.
static void	extractFilesUsingFilter(File archive, File destination, FilenameFilter filter) Extracts the contents of an archive into the specified directory.
static void	extractGzip(File file) Extracts the file contained in a gzip archive.
static void	extractZip(File file) Extracts the file contained in a Zip archive.

Methods inherited from class java.lang.Object

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

Method Detail

extractFiles

public static void extractFiles(File archive,
                                File extractTo)
                         throws ExtractionException

Extracts the contents of an archive into the specified directory.

Parameters:

archive - an archive file such as a WAR or EAR

extractTo - a directory to extract the contents to

Throws:

ExtractionException - thrown if an exception occurs while extracting the files

extractFiles

public static void extractFiles(File archive,
                                File extractTo,
                                Engine engine)
                         throws ExtractionException

Extracts the contents of an archive into the specified directory. The files are only extracted if they are supported by the analyzers loaded into the specified engine. If the engine is specified as null then all files are extracted.

Parameters:

archive - an archive file such as a WAR or EAR

extractTo - a directory to extract the contents to

engine - the scanning engine

Throws:

ExtractionException - thrown if there is an error extracting the files

extractFiles

public static void extractFiles(InputStream archive,
                                File extractTo)
                         throws ExtractionException

Extracts the contents of an archive into the specified directory. The files are only extracted if they are supported by the analyzers loaded into the specified engine. If the engine is specified as null then all files are extracted.

Parameters:

archive - an archive file such as a WAR or EAR

extractTo - a directory to extract the contents to

Throws:

ExtractionException - thrown if there is an error extracting the files

extractFilesUsingFilter

public static void extractFilesUsingFilter(File archive,
                                           File destination,
                                           FilenameFilter filter)
                                    throws ExtractionException

Extracts the contents of an archive into the specified directory.

Parameters:

archive - an archive file such as a WAR or EAR

destination - a directory to extract the contents to

filter - determines which files get extracted

Throws:

ExtractionException - thrown if the archive is not found

extractGzip

public static void extractGzip(File file)
                        throws FileNotFoundException,
                               IOException

Extracts the file contained in a gzip archive. The extracted file is placed in the exact same path as the file specified.

Parameters:

file - the archive file

Throws:

FileNotFoundException - thrown if the file does not exist

IOException - thrown if there is an error extracting the file.

extractZip

public static void extractZip(File file)
                       throws FileNotFoundException,
                              IOException

Extracts the file contained in a Zip archive. The extracted file is placed in the exact same path as the file specified.

Parameters:

file - the archive file

Throws:

FileNotFoundException - thrown if the file does not exist

IOException - thrown if there is an error extracting the file.