org.vishia.zip

Class ZipUtils

java.lang.Object

org.vishia.zip.ZipUtils

public class ZipUtils
extends java.lang.Object

Field Summary

Fields

Modifier and Type	Field and Description
static java.lang.String	version Version, history and license.

Constructor Summary

Constructors

Constructor and Description
ZipUtils()

Method Summary

Modifier and Type	Method and Description
static boolean	closeZipEntry(java.io.OutputStream out)
static java.lang.String	copyFileFromZip(java.io.File fileZip, java.io.File fileDst, java.lang.String pathInZip) Read the requested file from zip .
static void	copyFileFromZip(java.lang.String sfileZip, java.lang.String sFileDst, java.lang.String pathInZip) Read the requested file from zip .
static java.io.OutputStream	openToZipOneFile(java.io.File fileZip, java.lang.String sPathInZip) This creates a new Zip with only the one entry, removes all existing content.
static java.nio.file.FileSystem	openZip(java.io.File fileZip)
static java.io.BufferedWriter	openZipEntryToWrite(java.io.File fileZip, java.lang.String sPathInZip, java.nio.charset.Charset encoding)
static void	replaceFile(java.lang.String sfileZip, java.lang.String snewFile, java.lang.String pathInZip) Replaces the given file in zip with the given, or copies the given.

Methods inherited from class java.lang.Object

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

Field Detail

version

public static final java.lang.String version

Version, history and license.

• 20xx-xx-xx Hartmut creation. The ideas were created in 1979..80 by me.

Copyright/Copyleft: For this source the LGPL Lesser General Public License, published by the Free Software Foundation is valid. It means:

1. You can use this source without any restriction for any desired purpose.
2. You can redistribute copies of this source to everybody.
3. Every user of this source, also the user of redistribute copies with or without payment, must accept this license for further using.
4. But the LPGL ist not appropriate for a whole software product, if this source is only a part of them. It means, the user must publish this part of source, but don't need to publish the whole source of the own product.
5. You can study and modify (improve) this source for own using or for redistribution, but you have to license the modified sources likewise under this LGPL Lesser General Public License. You mustn't delete this Copyright/Copyleft inscription in this source file.

If you are intent to use this sources without publishing its usage, you can get a second license subscribing a special contract with the author.

See Also:

Constant Field Values

Constructor Detail

ZipUtils

public ZipUtils()

Method Detail

openToZipOneFile

public static java.io.OutputStream openToZipOneFile(java.io.File fileZip,
                                                    java.lang.String sPathInZip)
                                             throws java.io.IOException

This creates a new Zip with only the one entry, removes all existing content. Not usable.

Parameters:

fileZip -

sPathInZip -

Returns:

Throws:

java.io.IOException

openZip

public static java.nio.file.FileSystem openZip(java.io.File fileZip)
                                        throws java.io.IOException

Throws:

java.io.IOException

copyFileFromZip

public static void copyFileFromZip(java.lang.String sfileZip,
                                   java.lang.String sFileDst,
                                   java.lang.String pathInZip)
                            throws java.io.IOException

Read the requested file from zip .

Parameters:

sfileZip - (absolute) path to the zip file

sFileDst - (absolute) path to the file to write from zip content

pathInZip - path in zip from root, not starting with "/"

Throws:

java.io.IOException

copyFileFromZip

public static java.lang.String copyFileFromZip(java.io.File fileZip,
                                               java.io.File fileDst,
                                               java.lang.String pathInZip)

Read the requested file from zip .

Parameters:

fileZip - zip file

fileDst - file to write from zip content

pathInZip - path in zip from root, not starting with "/"

Returns:

null or error message on exception. Do not throw the exception.

replaceFile

public static void replaceFile(java.lang.String sfileZip,
                               java.lang.String snewFile,
                               java.lang.String pathInZip)
                        throws java.io.IOException

Replaces the given file in zip with the given, or copies the given.

Parameters:

sfileZip - (absolute) path to the zip file

snewFile - (absolute) path to the file which replaces

pathInZip - path in zip from root, not starting with "/"

Throws:

java.io.IOException

openZipEntryToWrite

public static java.io.BufferedWriter openZipEntryToWrite(java.io.File fileZip,
                                                         java.lang.String sPathInZip,
                                                         java.nio.charset.Charset encoding)
                                                  throws java.io.IOException

Throws:

java.io.IOException

closeZipEntry

public static boolean closeZipEntry(java.io.OutputStream out)
                             throws java.io.IOException

Throws:

java.io.IOException