(Java) Encode Integer to Hex or Base64 using N Bytes

Demonstrates how to write an integer to N bytes (little-endian or big-endian) and return the bytes in any encoding such as hex, base64, etc.

Note: This example requires Chilkat v9.5.0.77 or greater.

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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();

    // 1193046 decimal is equal to 0x123456 hex.
    int value = 1193046;

    // Write the integer in 8 bytes using little-endian byte-order and return as hex
    boolean bLittleEndian = true;
    String s = crypt.encodeInt(value,8,bLittleEndian,"hex");
    // The output is: 5634120000000000
    System.out.println(s);

    // Now use big-endian...
    bLittleEndian = false;
    s = crypt.encodeInt(value,8,bLittleEndian,"hex");
    // The output is: 0000000000123456
    System.out.println(s);

    // Instead of hex, get the 8 bytes using base64.
    s = crypt.encodeInt(value,8,bLittleEndian,"base64");
    // The output is: AAAAAAASNFY=
    System.out.println(s);
  }
}