org.crosswire.common.util

Class IOUtil

java.lang.Object

org.crosswire.common.util.IOUtil

public final class IOUtil
extends Object

.

Author:

Joe Walker

See Also:

The GNU Lesser General Public License for details.

Field Summary

Fields

Modifier and Type	Field and Description
private static org.slf4j.Logger	log The log stream

Constructor Summary

Constructors

Modifier	Constructor and Description
private	IOUtil() Prevent instantiation

Method Summary

Methods

Modifier and Type	Method and Description
static void	close(Closeable closeable) Closes any Closeable object
static byte[]	getZipEntry(String entrySpec) Get a zip entry by specification, returning a buffer of the contents.
static void	unpackZip(File file, File destdir) Unpack a zip file to a given directory.
static void	unpackZip(File file, File destdir, boolean include, String... includeExcludes) Unpack a zip file to a given directory.

Methods inherited from class java.lang.Object

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

Field Detail

log

private static final org.slf4j.Logger log

The log stream

Constructor Detail

IOUtil

private IOUtil()

Prevent instantiation

Method Detail

unpackZip

public static void unpackZip(File file,
             File destdir)
                      throws IOException

Unpack a zip file to a given directory. Honor the paths as given in the zip file.

Parameters:

file - The zip file to download

destdir - The directory to unpack up

Throws:

IOException - If there is an file error

unpackZip

public static void unpackZip(File file,
             File destdir,
             boolean include,
             String... includeExcludes)
                      throws IOException

Unpack a zip file to a given directory. Honor the paths as given in the zip file.

Parameters:

file - The zip file to download

destdir - The directory to unpack up

include - true to indicate the next arguments will be a filter that only includes what is specified.

includeExcludes - a list of case insensitive patterns that will act as an inclusion or exclusion prefix

Throws:

IOException - If there is an file error

getZipEntry

public static byte[] getZipEntry(String entrySpec)
                          throws IOException

Get a zip entry by specification, returning a buffer of the contents. If there is an error, return a zero length buffer.

Parameters:

entrySpec - This is of the form /path/to/zip!entryName

Returns:

the contents as a buffer

Throws:

IOException

close

public static void close(Closeable closeable)

Closes any Closeable object

Parameters:

closeable - The zip file to close