Java

Ascii85 Encoding and Decoding

See more Encryption Examples

Demonstrates ascii85 encoding and decoding.

Note: Requires Chilkat v9.5.0.79 or greater.

Java

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[])
  {
    boolean success = false;

    // First demonstrate encoding strings to ascii85 and back.
    CkStringBuilder sb = new CkStringBuilder();

    success = sb.Append("Man is distinguished, not only by his reason, but by this singular passion from other animals, which is a lust of the mind, that by a perseverance of delight in the continued and indefatigable generation of knowledge, exceeds the short vehemence of any carnal pleasure.");

    String encodedAscii85 = sb.getEncoded("ascii85","utf-8");
    System.out.println(encodedAscii85);

    // Result is: 9jqo^BlbD-BleB1DJ+*+F(f,q/0JhKF<GL>Cj@.4 ... DII?(E,9)oF*2M7/c

    // Decode back to the original:
    sb.Clear();
    sb.Append(encodedAscii85);
    success = sb.Decode("ascii85","utf-8");
    System.out.println("Original:");
    System.out.println(sb.getAsString());

    // ---- Now encode binary data to ascii85 ----
    CkBinData bd = new CkBinData();
    success = bd.LoadFile("qa_data/jpg/starfish20.jpg");
    encodedAscii85 = bd.getEncoded("ascii85");
    System.out.println(encodedAscii85);

    // Result is:  s4IA0!"_al8O`[\!<E0k!([(is8E!F7VQ[M+Eqj?FED)3+C]U=6"Fn ...

    // Decode...
    bd.Clear();
    bd.AppendEncoded(encodedAscii85,"ascii85");
    success = bd.WriteFile("qa_output/starfish20.jpg");
  }
}