com.github.hypfvieh.util

Class CompressionUtil

java.lang.Object

com.github.hypfvieh.util.CompressionUtil

public class CompressionUtil
extends Object

Utility class for compressing/decompressing files.

Author:

hypfvieh

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static class	CompressionUtil.CompressionMethod Enum of supported CompressionMethods.

Method Summary

Modifier and Type	Method and Description
static File	compress(CompressionUtil.CompressionMethod _method, String _sourceFile, String _outputFileName) Compress a file using the given CompressionUtil.CompressionMethod.
static File	compressFileGzip(String _sourceFile, String _outputFileName) Compresses the given file with GZIP and writes the compressed file to outputFileName.
static File	decompress(CompressionUtil.CompressionMethod _method, String _compressedFile, String _outputFileName) Extract a file using the given CompressionUtil.CompressionMethod.
static File	extractFileGzip(String _compressedFile, String _outputFileName) Extracts a GZIP compressed file to the given outputfile.

Methods inherited from class java.lang.Object

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

Method Detail

extractFileGzip

public static File extractFileGzip(String _compressedFile,
                                   String _outputFileName)

Extracts a GZIP compressed file to the given outputfile.

Parameters:

_compressedFile -

_outputFileName -

Returns:

file-object with outputfile or null on any error.

compressFileGzip

public static File compressFileGzip(String _sourceFile,
                                    String _outputFileName)

Compresses the given file with GZIP and writes the compressed file to outputFileName.

Parameters:

_sourceFile -

_outputFileName -

Returns:

new File object with the compressed file or null on error

decompress

public static File decompress(CompressionUtil.CompressionMethod _method,
                              String _compressedFile,
                              String _outputFileName)

Extract a file using the given CompressionUtil.CompressionMethod.

Parameters:

_method -

_compressedFile -

_outputFileName -

Returns:

file object which represents the uncompressed file or null on error

compress

public static File compress(CompressionUtil.CompressionMethod _method,
                            String _sourceFile,
                            String _outputFileName)

Compress a file using the given CompressionUtil.CompressionMethod.

Parameters:

_method -

_sourceFile -

_outputFileName -

Returns:

file object which represents the compressed file or null on error