Module org.refcodes.io

Package org.refcodes.io

Class ZipUtility

java.lang.Object

org.refcodes.io.ZipUtility

public class ZipUtility
extends Object

Utility class for some ZIP compression related issues.

Constructor Summary

Constructors

Constructor	Description
ZipUtility()

Method Summary

Modifier and Type	Method	Description
static String	toFileNameFromZip(String aZipFileName)	Truncates the ".zip" suffix from the filename and returns the result.
static InputStream	toInputStream(File aFile)	Returns an InputStream from the provided File.

Methods inherited from class java.lang.Object

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

Constructor Details

ZipUtility

public ZipUtility()

Method Details

toInputStream

public static InputStream toInputStream(File aFile)
                                 throws ZipException,
IOException,
FileNotFoundException

Returns an InputStream from the provided File. In case the file points to a ZIP compressed file, then the uncompressed data is provided by the InputStream.

Parameters:

aFile - The File for which to get the InputStream.

Returns:

An InputStream, in case of a ZIP compressed File, an uncompressed InputStream is returned.

Throws:

ZipException - in case there were problems when accessing the ZIP compressed File.

IOException - in case there were problems working with the File.

FileNotFoundException - in case there was none such File found.

toFileNameFromZip

public static String toFileNameFromZip(String aZipFileName)

Truncates the ".zip" suffix from the filename and returns the result. For example a file with name "log-2023-07-12.txt.zip" results in "log-2023-07-12.txt".

Parameters:

aZipFileName - The file name of the ZIP file for which to get the "inner" file name.

Returns:

The "inner" file name if the file suffix was ".zip", else null.