(Java) Convert any File to Base64 (and back)

Demonstrates how to get the contents of any file as a base64 string, and then write it back.

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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[])
  {
    CkBinData bd = new CkBinData();

    // This example will load a PDF and return it as a base64 string.
    boolean success = bd.LoadFile("qa_data/pdf/helloWorld.pdf");
    if (success != true) {
        System.out.println("Failed to load file.");
        return;
        }

    String b64Str = bd.getEncoded("base64");
    System.out.println(b64Str);

    // Now write the base64 string back to the binary PDF file:
    CkBinData bd2 = new CkBinData();
    success = bd2.AppendEncoded(b64Str,"base64");
    success = bd2.WriteFile("qa_output/helloWorld.pdf");
  }
}