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Ti.Compression Module

Description

Lets you zip and unzip files.

Getting Started

View the Using Titanium Modules document for instructions on getting started with using this module in your application.

Accessing the Ti.Compression Module

To access this module from JavaScript, you would do the following:

var Compression = require('ti.compression');

Functions

string zip(string archiveFile, string[] fileArray)

Compresses all of the files you pass in "fileArray" to the specified "archiveFile".

Arguments

  • string archiveFile: The path to the archive file to create
  • string[] fileArray: An array of files to compress

Returns the string "success" if the operation succeeded, or an error message if something went wrong.

string unzip(string destinationFolder, string archiveFile, bool overwrite)

Extracts the files in the archive file into the destination folder, optionally overriding existing files.

Arguments

  • string destinationFolder: The destination folder for the extracted files
  • string archiveFile: The path to an existing compressed archive file
  • bool overwrite: Indicates if existing files should be overwritten

Returns the string "success" if the operation succeeded, or an error message if something went wrong.

Usage

To create an archive:

var result = Ti.Compression.zip('test.zip', [ 'a.dat', 'b.dat', 'c.dat' ];

To extract an archive:

var result = Ti.Compression.unzip(Ti.Filesystem.applicationDataDirectory + 'data', 'test.zip', true);

See example for more details.

zip Parameter

Android:

  • filename:String, files:Array, options: Object [compression: Compression.BEST_SPEED | Compression.DEFAULT_COMPRESSION | Compression.NO_COMPRESSION]

iOS:

  • filename:String, files:Array

Create demo files

Create demo files

good compression (no content)

truncate -s 5M file1.dat

Bad compression (random content)

dd if=/dev/urandom of=file1 bs=5M count=1

Author

Clint Tredway

License

Copyright(c) 2010-present by Axway Appcelerator. All Rights Reserved. Please see the LICENSE file included in the distribution for further details.