com.powsybl.commons.compress

Class ZipPackager

java.lang.Object

com.powsybl.commons.compress.ZipPackager

public class ZipPackager
extends Object

Author:

Yichen TANG

Constructor Summary

Constructors

Constructor and Description
ZipPackager()

Method Summary

Modifier and Type	Method and Description
ZipPackager	addBytes(String key, byte[] bytes) Key as zip entry name.
ZipPackager	addPath(Path path) If the path to file is null or not exists, the method does nothing.
ZipPackager	addPaths(Path baseDir, List<String> filenames)
ZipPackager	addPaths(Path root, String... filenames)
ZipPackager	addString(String key, String content) Key as zip entry name.
ZipPackager	addString(String key, String content, Charset charset) Key as zip entry name.
static byte[]	archiveBytesByNameToZipBytes(Map<String,byte[]> bytesByName) Generates a zip file's bytes
static byte[]	archiveFilesToZipBytes(Path baseDir, List<String> fileNames) If the file is in .gz(detected by last 3 characters) format, the method decompresses .gz file first.
static byte[]	archiveFilesToZipBytes(Path workingDir, String... fileNames)
byte[]	toZipBytes() Should only be called once.

Methods inherited from class java.lang.Object

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

Constructor Detail

ZipPackager

public ZipPackager()

Method Detail

addPath

public ZipPackager addPath(@Nullable
                           Path path)

If the path to file is null or not exists, the method does nothing. If the file is in .gz(detected by last 3 characters) format, the method decompresses .gz file first.

Parameters:

path - the file to add in zip bytes

Returns:

a reference to this object

addPaths

public ZipPackager addPaths(Path baseDir,
                            List<String> filenames)

Parameters:

baseDir - the base directory of all files

filenames - all files to add in zip bytes

Returns:

a reference to this object

addPaths

public ZipPackager addPaths(Path root,
                            String... filenames)

Parameters:

baseDir - the base directory of all files

filenames - all files to add in zip bytes

Returns:

a reference to this object

addString

public ZipPackager addString(String key,
                             String content)

Key as zip entry name. Both key and content must not be null.

Parameters:

key -

content -

Returns:

a reference to this object

addString

public ZipPackager addString(String key,
                             String content,
                             Charset charset)

Key as zip entry name. Both key and content must not be null.

Parameters:

key -

content -

charset - be used to encode content

Returns:

a reference to this object

addBytes

public ZipPackager addBytes(String key,
                            byte[] bytes)

Key as zip entry name. Both key and bytes must not be null.

Parameters:

key -

bytes -

Returns:

a reference to this object

toZipBytes

public byte[] toZipBytes()

Should only be called once.

Returns:

an array of zip bytes

archiveFilesToZipBytes

public static byte[] archiveFilesToZipBytes(Path baseDir,
                                            List<String> fileNames)

If the file is in .gz(detected by last 3 characters) format, the method decompresses .gz file first.

Parameters:

baseDir - the base directory contaions files to zip

fileNames - the files to be added in zip

Returns:

bytes in zip format

archiveFilesToZipBytes

public static byte[] archiveFilesToZipBytes(Path workingDir,
                                            String... fileNames)

archiveBytesByNameToZipBytes

public static byte[] archiveBytesByNameToZipBytes(Map<String,byte[]> bytesByName)

Generates a zip file's bytes

Parameters:

bytesByName - map's key as entry name, value as content in the zip file

Returns:

a zip file in bytes