Package jodd.io

Class ZipUtil

java.lang.Object

jodd.io.ZipUtil

public class ZipUtil
extends java.lang.Object

Performs zip/gzip/zlib operations on files and directories. These are just tools over existing java.util.zip classes, meaning that existing behavior and bugs are persisted. Most common issue is not being able to use UTF8 in file names, because implementation uses old ZIP format that supports only IBM Code Page 437. This bug was resolved in JDK7: http://bugs.sun.com/bugdatabase/view_bug.do?bug_id=4244499

Field Summary

Fields

Modifier and Type	Field	Description
static java.lang.String	GZIP_EXT
static java.lang.String	ZIP_EXT
static java.lang.String	ZLIB_EXT

Constructor Summary

Constructors

Constructor	Description
ZipUtil()

Method Summary

Modifier and Type	Method	Description
static void	addFolderToZip(java.util.zip.ZipOutputStream zos, java.lang.String path, java.lang.String comment)
static void	addToZip(java.util.zip.ZipOutputStream zos, byte[] content, java.lang.String path, java.lang.String comment)	Adds byte content into the zip as a file.
static void	addToZip(java.util.zip.ZipOutputStream zos, java.io.File file, java.lang.String path, java.lang.String comment, boolean recursive)	Adds single entry to ZIP output stream.
static void	close(java.util.zip.ZipFile zipFile)	Closes zip file safely.
static java.io.File	gzip(java.io.File file)	Compresses a file into gzip archive.
static java.io.File	gzip(java.lang.String fileName)	Compresses a file into gzip archive.
static java.util.List<java.lang.String>	listZip(java.io.File zipFile)	Lists zip content.
static java.io.File	ungzip(java.io.File file)	Decompress gzip archive.
static java.io.File	ungzip(java.lang.String file)	Decompress gzip archive.
static void	unzip(java.io.File zipFile, java.io.File destDir, java.lang.String... patterns)	Extracts zip file to the target directory.
static void	unzip(java.lang.String zipFile, java.lang.String destDir, java.lang.String... patterns)	Extracts zip file content to the target directory.
static java.io.File	zip(java.io.File file)	Zips a file or a folder.
static java.io.File	zip(java.lang.String file)	Zips a file or a folder.
static java.io.File	zlib(java.io.File file)	Compresses a file into zlib archive.
static java.io.File	zlib(java.lang.String file)	Compresses a file into zlib archive.

Methods inherited from class java.lang.Object

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

Field Detail

ZIP_EXT

public static final java.lang.String ZIP_EXT

See Also:

Constant Field Values

GZIP_EXT

public static final java.lang.String GZIP_EXT

See Also:

Constant Field Values

ZLIB_EXT

public static final java.lang.String ZLIB_EXT

See Also:

Constant Field Values

Constructor Detail

ZipUtil

public ZipUtil()

Method Detail

zlib

public static java.io.File zlib(java.lang.String file)
                         throws java.io.IOException

Compresses a file into zlib archive.

Throws:

java.io.IOException

zlib

public static java.io.File zlib(java.io.File file)
                         throws java.io.IOException

Compresses a file into zlib archive.

Throws:

java.io.IOException

gzip

public static java.io.File gzip(java.lang.String fileName)
                         throws java.io.IOException

Compresses a file into gzip archive.

Throws:

java.io.IOException

gzip

public static java.io.File gzip(java.io.File file)
                         throws java.io.IOException

Compresses a file into gzip archive.

Throws:

java.io.IOException

ungzip

public static java.io.File ungzip(java.lang.String file)
                           throws java.io.IOException

Decompress gzip archive.

Throws:

java.io.IOException

ungzip

public static java.io.File ungzip(java.io.File file)
                           throws java.io.IOException

Decompress gzip archive.

Throws:

java.io.IOException

zip

public static java.io.File zip(java.lang.String file)
                        throws java.io.IOException

Zips a file or a folder.

Throws:

java.io.IOException

See Also:

zip(java.io.File)

zip

public static java.io.File zip(java.io.File file)
                        throws java.io.IOException

Zips a file or a folder. If adding a folder, all its content will be added.

Throws:

java.io.IOException

listZip

public static java.util.List<java.lang.String> listZip(java.io.File zipFile)
                                                throws java.io.IOException

Lists zip content.

Throws:

java.io.IOException

unzip

public static void unzip(java.lang.String zipFile,
                         java.lang.String destDir,
                         java.lang.String... patterns)
                  throws java.io.IOException

Extracts zip file content to the target directory.

Throws:

java.io.IOException

See Also:

unzip(java.io.File, java.io.File, String...)

unzip

public static void unzip(java.io.File zipFile,
                         java.io.File destDir,
                         java.lang.String... patterns)
                  throws java.io.IOException

Extracts zip file to the target directory. If patterns are provided only matched paths are extracted.

Parameters:

zipFile - zip file

destDir - destination directory

patterns - optional wildcard patterns of files to extract, may be null

Throws:

java.io.IOException

addToZip

public static void addToZip(java.util.zip.ZipOutputStream zos,
                            java.io.File file,
                            java.lang.String path,
                            java.lang.String comment,
                            boolean recursive)
                     throws java.io.IOException

Adds single entry to ZIP output stream.

Parameters:

zos - zip output stream

file - file or folder to add

path - relative path of file entry; if null files name will be used instead

comment - optional comment

recursive - when set to true content of added folders will be added, too

Throws:

java.io.IOException

addToZip

public static void addToZip(java.util.zip.ZipOutputStream zos,
                            byte[] content,
                            java.lang.String path,
                            java.lang.String comment)
                     throws java.io.IOException

Adds byte content into the zip as a file.

Throws:

java.io.IOException

addFolderToZip

public static void addFolderToZip(java.util.zip.ZipOutputStream zos,
                                  java.lang.String path,
                                  java.lang.String comment)
                           throws java.io.IOException

Throws:

java.io.IOException

close

public static void close(java.util.zip.ZipFile zipFile)

Closes zip file safely.