Package hec.util

Class ZipUtility

java.lang.Object

hec.util.ZipUtility

public class ZipUtility
extends Object

A utility class that allows you to extract zip files.

Field Summary

Fields

Modifier and Type	Field	Description
static final int	IO_EXCEPTION
static final int	PARTIAL_EXTRACTION
static final int	SETUP_OR_ZIP_EXCEPTION
static final int	SUCCESS

Constructor Summary

Constructors

Constructor	Description
ZipUtility()

Method Summary

Modifier and Type	Method	Description
static int	extractZipFile(String zipFile, String outputDirectory)	Extracts a given zip file to a directory passed in as an argument.
static byte[]	unzip(byte[] zipped)	unzip the zipped byte[]
static byte[]	zip(byte[] unzipped)	zip the unzipped byte[]

Methods inherited from class java.lang.Object

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

Field Details

SUCCESS

public static final int SUCCESS

See Also:

• Constant Field Values

SETUP_OR_ZIP_EXCEPTION

public static final int SETUP_OR_ZIP_EXCEPTION

See Also:

• Constant Field Values

IO_EXCEPTION

public static final int IO_EXCEPTION

See Also:

• Constant Field Values

PARTIAL_EXTRACTION

public static final int PARTIAL_EXTRACTION

See Also:

• Constant Field Values

Constructor Details

ZipUtility

public ZipUtility()

Method Details

extractZipFile

public static int extractZipFile(String zipFile,
 String outputDirectory)

Extracts a given zip file to a directory passed in as an argument.

Parameters:

zipFile - a valid File location containing a Zip file

outputDirectory - the location of the image, relative to the url argument

Returns:

ZipUtility#SUCCESS if everything is successful ZipUtility#SETUP_OR_ZIP_EXCEPTION there was a ZipException ZipUtility#IO_EXCEPTION there was a IOException ZipUtility#PARTIAL_EXTRACTION zip file was partially extracted successfully

zip

public static byte[] zip(byte[] unzipped)

zip the unzipped byte[]

Parameters:

unzipped - the uncompressed byte[]

Returns:

the compressed byte[]

unzip

public static byte[] unzip(byte[] zipped)

unzip the zipped byte[]

Parameters:

zipped - the uncompressed byte[]

Returns:

the uncompressed byte[]