org.nd4j.util

Class ArchiveUtils

java.lang.Object

org.nd4j.util.ArchiveUtils

public class ArchiveUtils
extends java.lang.Object

Author:

Adam Gibson

Constructor Summary

Constructors

Modifier	Constructor and Description
protected	ArchiveUtils()

Method Summary

Modifier and Type	Method and Description
static void	tarGzExtractSingleFile(java.io.File tarGz, java.io.File destination, java.lang.String pathInTarGz) Extract a single file from a tar.gz file.
static java.util.List<java.lang.String>	tarGzListFiles(java.io.File tarGzFile) List all of the files and directories in the specified tar.gz file
protected static java.util.List<java.lang.String>	tarGzListFiles(java.io.File file, boolean isTarGz)
static java.util.List<java.lang.String>	tarListFiles(java.io.File tarFile) List all of the files and directories in the specified tar.gz file
static void	unzipFileTo(java.lang.String file, java.lang.String dest) Extracts files to the specified destination
static void	zipExtractSingleFile(java.io.File zipFile, java.io.File destination, java.lang.String pathInZip) Extract a single file from a .zip file.
static java.util.List<java.lang.String>	zipListFiles(java.io.File zipFile) List all of the files and directories in the specified .zip file

Methods inherited from class java.lang.Object

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

Constructor Detail

ArchiveUtils

protected ArchiveUtils()

Method Detail

unzipFileTo

public static void unzipFileTo(java.lang.String file,
                               java.lang.String dest)
                        throws java.io.IOException

Extracts files to the specified destination

Parameters:

file - the file to extract to

dest - the destination directory

Throws:

java.io.IOException

tarListFiles

public static java.util.List<java.lang.String> tarListFiles(java.io.File tarFile)
                                                     throws java.io.IOException

List all of the files and directories in the specified tar.gz file

Parameters:

tarFile - A .tar file

Returns:

List of files and directories

Throws:

java.io.IOException

tarGzListFiles

public static java.util.List<java.lang.String> tarGzListFiles(java.io.File tarGzFile)
                                                       throws java.io.IOException

List all of the files and directories in the specified tar.gz file

Parameters:

tarGzFile - A tar.gz file

Returns:

List of files and directories

Throws:

java.io.IOException

tarGzListFiles

protected static java.util.List<java.lang.String> tarGzListFiles(java.io.File file,
                                                                 boolean isTarGz)
                                                          throws java.io.IOException

Throws:

java.io.IOException

zipListFiles

public static java.util.List<java.lang.String> zipListFiles(java.io.File zipFile)
                                                     throws java.io.IOException

List all of the files and directories in the specified .zip file

Parameters:

zipFile - Zip file

Returns:

List of files and directories

Throws:

java.io.IOException

zipExtractSingleFile

public static void zipExtractSingleFile(java.io.File zipFile,
                                        java.io.File destination,
                                        java.lang.String pathInZip)
                                 throws java.io.IOException

Extract a single file from a .zip file. Does not support directories

Parameters:

zipFile - Zip file to extract from

destination - Destination file

pathInZip - Path in the zip to extract

Throws:

java.io.IOException - If exception occurs while reading/writing

tarGzExtractSingleFile

public static void tarGzExtractSingleFile(java.io.File tarGz,
                                          java.io.File destination,
                                          java.lang.String pathInTarGz)
                                   throws java.io.IOException

Extract a single file from a tar.gz file. Does not support directories. NOTE: This should not be used for batch extraction of files, due to the need to iterate over the entries until the specified entry is found. Use unzipFileTo(String, String) for batch extraction instead

Parameters:

tarGz - A tar.gz file

destination - The destination file to extract to

pathInTarGz - The path in the tar.gz file to extract

Throws:

java.io.IOException