Unzip an Encrypted Zip

Demonstrates how to open an encrypted .zip archive and unzip.

 Chilkat Java Library Downloads for Windows, Linux, and MAC OS X

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;
    }

    //  Set the password required for decrypting.
    zip.put_DecryptPassword("myPassword");

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

    int unzipCount;

    //  Returns the number of files and directories unzipped.
    unzipCount = zip.Unzip("c:/unzipDir");
    if (unzipCount < 0) {
        System.out.println(zip.lastErrorText());
    }
    else {
        System.out.println("Success!");
    }

  }
}