com.github.jlangch.venice.impl.util

Class Zipper

java.lang.Object

com.github.jlangch.venice.impl.util.Zipper

public class Zipper
extends java.lang.Object

A helper to compress/uncompress binary data blocks using the zip/gzip inflater/deflater.

Use

unzip -vl a.zip

to list a zip

Field Summary

Fields

Modifier and Type	Field and Description
static short	GZIP_HEADER
static int	ZIP_HEADER

Constructor Summary

Constructors

Constructor and Description
Zipper()

Method Summary

Modifier and Type	Method and Description
static byte[]	getZipEntryData(java.util.zip.ZipInputStream zipInputStream)
static byte[]	gzip(byte[] binary)
static void	gzip(byte[] binary, java.io.OutputStream os)
static byte[]	gzip(java.io.File file)
static byte[]	gzip(java.io.InputStream is)
static void	gzip(java.io.InputStream is, java.io.OutputStream os)
static boolean	isGZipFile(byte[] bytes)
static boolean	isGZipFile(java.io.File file)
static boolean	isGZipFile(java.io.InputStream is)
static boolean	isZipFile(byte[] bytes)
static boolean	isZipFile(java.io.File file)
static boolean	isZipFile(java.io.InputStream is)
static void	listZip(byte[] binary, java.io.PrintStream ps, boolean verbose)
static void	listZip(java.io.File zip, java.io.PrintStream ps, boolean verbose)
static void	listZip(java.io.InputStream is, java.io.PrintStream ps, boolean verbose)
static java.util.List<java.lang.String>	listZipEntryNames(byte[] binary)
static java.util.List<java.lang.String>	listZipEntryNames(java.io.File zip)
static java.util.List<java.lang.String>	listZipEntryNames(java.io.InputStream is)
static byte[]	ungzip(byte[] binary)
static byte[]	ungzip(java.io.File file)
static byte[]	ungzip(java.io.InputStream inputStream)
static java.io.InputStream	ungzipToStream(byte[] binary)
static java.io.InputStream	ungzipToStream(java.io.InputStream inputStream)
static byte[]	unzip(byte[] binary, java.lang.String entryName)
static byte[]	unzip(java.io.File zip, java.lang.String entryName)
static byte[]	unzip(java.io.InputStream is, java.lang.String entryName)
static java.util.Map<java.lang.String,byte[]>	unzipAll(byte[] binary)
static java.util.Map<java.lang.String,byte[]>	unzipAll(java.io.File zip)
static java.util.Map<java.lang.String,byte[]>	unzipAll(java.io.InputStream is)
static java.io.InputStream	unzipFirstToStream(byte[] binary)
static java.io.InputStream	unzipFirstToStream(java.io.InputStream inputStream)
static byte[]	unzipNthEntry(byte[] binary, int nth)
static byte[]	unzipNthEntry(java.io.File zip, int nth)
static byte[]	unzipNthEntry(java.io.InputStream is, int nth)
static void	unzipToDir(byte[] zipBinary, java.io.File destDir)
static void	unzipToDir(java.io.File zip, java.io.File destDir)
static void	unzipToDir(java.io.InputStream zipIS, java.io.File destDir)
static java.io.InputStream	unzipToStream(byte[] binary, java.lang.String entryName)
static byte[]	zip(byte[] binary, java.lang.String entryName)
static byte[]	zip(java.util.Map<java.lang.String,java.lang.Object> entries)
static void	zipAppend(java.io.File zip, java.util.Map<java.lang.String,java.lang.Object> entries)
static void	zipFileOrDir(java.io.File zip, java.util.List<java.io.File> sourceFileOrDirs, java.io.FilenameFilter filter)
static void	zipFileOrDir(java.io.OutputStream os, java.util.List<java.io.File> sourceFileOrDirs, java.io.FilenameFilter filter)
static void	zipRemove(java.io.File zip, java.util.List<java.lang.String> entryNames)

Methods inherited from class java.lang.Object

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

Field Detail

ZIP_HEADER

public static final int ZIP_HEADER

See Also:

Constant Field Values

GZIP_HEADER

public static final short GZIP_HEADER

See Also:

Constant Field Values

Constructor Detail

Zipper

public Zipper()

Method Detail

zip

public static byte[] zip(byte[] binary,
                         java.lang.String entryName)

zip

public static byte[] zip(java.util.Map<java.lang.String,java.lang.Object> entries)

zipAppend

public static void zipAppend(java.io.File zip,
                             java.util.Map<java.lang.String,java.lang.Object> entries)

zipRemove

public static void zipRemove(java.io.File zip,
                             java.util.List<java.lang.String> entryNames)

unzip

public static byte[] unzip(java.io.File zip,
                           java.lang.String entryName)

unzip

public static byte[] unzip(byte[] binary,
                           java.lang.String entryName)

unzip

public static byte[] unzip(java.io.InputStream is,
                           java.lang.String entryName)

unzipNthEntry

public static byte[] unzipNthEntry(java.io.File zip,
                                   int nth)

unzipNthEntry

public static byte[] unzipNthEntry(byte[] binary,
                                   int nth)

unzipNthEntry

public static byte[] unzipNthEntry(java.io.InputStream is,
                                   int nth)

unzipToStream

public static java.io.InputStream unzipToStream(byte[] binary,
                                                java.lang.String entryName)

unzipFirstToStream

public static java.io.InputStream unzipFirstToStream(byte[] binary)

unzipFirstToStream

public static java.io.InputStream unzipFirstToStream(java.io.InputStream inputStream)

unzipAll

public static java.util.Map<java.lang.String,byte[]> unzipAll(java.io.File zip)

unzipAll

public static java.util.Map<java.lang.String,byte[]> unzipAll(byte[] binary)

unzipAll

public static java.util.Map<java.lang.String,byte[]> unzipAll(java.io.InputStream is)

gzip

public static byte[] gzip(byte[] binary)

zipFileOrDir

public static void zipFileOrDir(java.io.File zip,
                                java.util.List<java.io.File> sourceFileOrDirs,
                                java.io.FilenameFilter filter)

zipFileOrDir

public static void zipFileOrDir(java.io.OutputStream os,
                                java.util.List<java.io.File> sourceFileOrDirs,
                                java.io.FilenameFilter filter)

listZip

public static void listZip(byte[] binary,
                           java.io.PrintStream ps,
                           boolean verbose)

listZip

public static void listZip(java.io.File zip,
                           java.io.PrintStream ps,
                           boolean verbose)

listZip

public static void listZip(java.io.InputStream is,
                           java.io.PrintStream ps,
                           boolean verbose)

unzipToDir

public static void unzipToDir(java.io.File zip,
                              java.io.File destDir)

unzipToDir

public static void unzipToDir(byte[] zipBinary,
                              java.io.File destDir)

unzipToDir

public static void unzipToDir(java.io.InputStream zipIS,
                              java.io.File destDir)

gzip

public static byte[] gzip(java.io.File file)

gzip

public static byte[] gzip(java.io.InputStream is)

gzip

public static void gzip(byte[] binary,
                        java.io.OutputStream os)

gzip

public static void gzip(java.io.InputStream is,
                        java.io.OutputStream os)

ungzip

public static byte[] ungzip(byte[] binary)

ungzip

public static byte[] ungzip(java.io.File file)

ungzip

public static byte[] ungzip(java.io.InputStream inputStream)

ungzipToStream

public static java.io.InputStream ungzipToStream(byte[] binary)

ungzipToStream

public static java.io.InputStream ungzipToStream(java.io.InputStream inputStream)

getZipEntryData

public static byte[] getZipEntryData(java.util.zip.ZipInputStream zipInputStream)

isZipFile

public static boolean isZipFile(java.io.File file)

isZipFile

public static boolean isZipFile(java.io.InputStream is)

isZipFile

public static boolean isZipFile(byte[] bytes)

isGZipFile

public static boolean isGZipFile(java.io.File file)

isGZipFile

public static boolean isGZipFile(java.io.InputStream is)

isGZipFile

public static boolean isGZipFile(byte[] bytes)

listZipEntryNames

public static java.util.List<java.lang.String> listZipEntryNames(java.io.File zip)

listZipEntryNames

public static java.util.List<java.lang.String> listZipEntryNames(byte[] binary)

listZipEntryNames

public static java.util.List<java.lang.String> listZipEntryNames(java.io.InputStream is)