Simple Unzip

Demonstrates how to open a .zip archive and unzip. The Unzip method extracts the files and directories from a .zip archive and recreates the directory tree rooted at the directory path passed to Unzip.

Download Chilkat Java Library

import com.chilkatsoft.*;

public class ChilkatExample {

  static {
    try {
        System.loadLibrary("chilkat");
    } catch (UnsatisfiedLinkError e) {
      System.err.println("Native code library failed to load.\n" + e);
      System.exit(1);
    }
  }

  public static void main(String argv[])
  {
    CkZip zip = new CkZip();

    boolean success;

    //  Any string unlocks the component for the 1st 30-days.
    success = zip.UnlockComponent("Anything for 30-day trial");
    if (success != true) {
        System.out.println(zip.lastErrorText());
        return;
    }

    success = zip.OpenZip("my_photos.zip");
    if (success != true) {
        System.out.println(zip.lastErrorText());
        return;
    }

    int unzipCount;

    //  Returns the number of files and directories unzipped.
    //  Unzips to c:/my_photos, re-creating the directory tree
    //  from the .zip.
    unzipCount = zip.Unzip("c:/my_photos");
    if (unzipCount < 0) {
        System.out.println(zip.lastErrorText());
    }
    else {
        System.out.println("Success!");
    }

  }
}