Base64 Encode/Decode a String

Java example to base-64 encode and decode a string.

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[])
  {
    CkCrypt2 crypt = new CkCrypt2();

    //  Any string argument automatically begins the 30-day trial.
    boolean success;
    success = crypt.UnlockComponent("30-day trial");
    if (success != true) {
        System.out.println("Crypt component unlock failed");
        return;
    }

    String s;
    s = "A friend called me up the other day and talked about investing in a dot-com that sells lobsters. Internet lobsters. Where will this end? --Donald Trump";

    crypt.put_CryptAlgorithm("none");
    crypt.put_EncodingMode("base64");

    //  Other possible EncodingMode settings are:
    //  "quoted-printable", "hex", and "url"

    String qp;
    qp = crypt.encryptStringENC(s);

    System.out.println(qp);

    String decoded;
    decoded = crypt.decryptStringENC(qp);

    System.out.println(decoded);


  }
}