(Java) Quoted-Printable Encode/Decode a String

Java example to quoted-printable encode and decode a string.

Chilkat Java Downloads Java Libs for Windows, MacOS, Linux, Alpine Linux, Solaris Java Libs for Android

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[])
  {
    // This example requires the Chilkat API to have been previously unlocked.
    // See Global Unlock Sample for sample code.

    CkCrypt2 crypt = new CkCrypt2();

    // Here's a string in Icelandic using non us-ascii chars:
    String s = "Ég get etið gler án þess að meiða mig.";

    crypt.put_CryptAlgorithm("none");
    crypt.put_EncodingMode("quoted-printable");

    // Quoted-printable encode/decode the iso-8859-1
    // representation of the string.  Notice how each
    // Icelandic char is represented by 1 byte:
    crypt.put_Charset("iso-8859-1");
    String qp = crypt.encryptStringENC(s);
    System.out.println("iso-8859-1:");
    System.out.println(qp);
    String decoded = crypt.decryptStringENC(qp);
    System.out.println(decoded);

    // Now do the same using utf-8. Notice how each
    // Icelandic char is represented by 2 bytes in utf-8:
    crypt.put_Charset("utf-8");
    String qp = crypt.encryptStringENC(s);
    System.out.println("utf-8:");
    System.out.println(qp);
    String decoded = crypt.decryptStringENC(qp);
    System.out.println(decoded);
  }
}