Package com.vaadin.flow.server.frontend

Class CompressUtil

java.lang.Object

com.vaadin.flow.server.frontend.CompressUtil

public class CompressUtil
extends Object

Utility class for compression and decompression of folders and files.

Since:

24.3

Author:

Vaadin Ltd

Method Summary

Modifier and Type	Method	Description
static void	compressDirectory(File targetDirectory, File outfile)	Compress target directory and children into given target outfile.
static String	readFileContentFromZip(File zip, String filename)	Read a file content from the given zip file.
static void	uncompressFile(File zip, File targetDirectory)	Uncompress given zip file content to the target directory.

Methods inherited from class java.lang.Object

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

Method Details

compressDirectory

public static void compressDirectory(File targetDirectory,
 File outfile)

Compress target directory and children into given target outfile. All files will be zipped and the targetDirectory will not be in the package.

Parameters:

targetDirectory - directory content to compress

outfile - file to compress directory content to

uncompressFile

public static void uncompressFile(File zip,
 File targetDirectory)

Uncompress given zip file content to the target directory.

Parameters:

zip - file to uncompress

targetDirectory - target directory to uncompress files to

readFileContentFromZip

public static String readFileContentFromZip(File zip,
 String filename)
                                     throws IOException

Read a file content from the given zip file.

Parameters:

zip - Target zip file

filename - Target file name

Returns:

File content or null if not found

Throws:

IOException - if an I/O error occurs