how to unzip a zipped directory in samsung bada after downloading it from server

We are developing a bada application in which we are downloading a zipped directory having JSON files and images in it. After downloading the zip file from server we need to extract it for reading.开发者_JAVA技巧

I am looking for some native function or external library to implement the functionality.

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Bada 2.0 introduced FileUnzipper.

For previous Bada versions, you should take a look at bada-zlib.