(Java) Base64 Encode a File

Java to Base64 encode the contents of a file.

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[])
  {
    // Get the contents of a file into a base64 encoded string:
    CkFileAccess fac = new CkFileAccess();
    String strBase64 = fac.readBinaryToEncoded("c:/data/something.pdf","base64");
    if (fac.get_LastMethodSuccess() != true) {
        System.out.println(fac.lastErrorText());
        return;
        }

    // Now write the string to a file:
    boolean success = fac.WriteEntireTextFile("c:/data/something_pdf_base64.txt",strBase64,"us-ascii",false);
    if (success != true) {
        System.out.println(fac.lastErrorText());
        return;
        }

    System.out.println("Success!");
  }
}