org.eclipse.rdf4j.common.io

Class ZipUtil

java.lang.Object

org.eclipse.rdf4j.common.io.ZipUtil

public class ZipUtil
extends Object

Zip-related utilities.

Constructor Summary

Constructors

Constructor and Description
ZipUtil()

Method Summary

Modifier and Type	Method and Description
static void	extract(File zipFile, File destDir) Extract the contents of a zipfile to a directory.
static void	extract(ZipFile zipFile, File destDir) Extract the contents of a zipfile to a directory.
static boolean	isZipStream(InputStream in) Test if an input stream is a zip input stream by checking the "magic number"
static void	writeEntry(ZipFile zipFile, ZipEntry entry, File destDir) Write an entry to a zip file.

Methods inherited from class java.lang.Object

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

Constructor Detail

ZipUtil

public ZipUtil()

Method Detail

isZipStream

public static boolean isZipStream(InputStream in)
                           throws IOException

Test if an input stream is a zip input stream by checking the "magic number"

Parameters:

in - input stream

Returns:

true if start of input stream matches magic number

Throws:

IOException

extract

public static void extract(File zipFile,
                           File destDir)
                    throws IOException

Extract the contents of a zipfile to a directory.

Parameters:

zipFile - the zip file to extract

destDir - the destination directory

Throws:

IOException - when something untoward happens during the extraction process

extract

public static void extract(ZipFile zipFile,
                           File destDir)
                    throws IOException

Extract the contents of a zipfile to a directory.

Parameters:

zipFile - the zip file to extract

destDir - the destination directory

Throws:

IOException - when something untoward happens during the extraction process

writeEntry

public static void writeEntry(ZipFile zipFile,
                              ZipEntry entry,
                              File destDir)
                       throws IOException

Write an entry to a zip file.

Parameters:

zipFile - the zip file to read from

entry - the entry to process

destDir - the file to write to

Throws:

IOException - if the entry could not be processed