Create a JWS into a StringBuilder

See more JSON Web Signatures (JWS) Examples

Demonstrates Jws.CreateJwsSb, which creates a JWS and writes it into a StringBuilder.

import com.chilkatsoft.chilkat2.ChilkatException;
import com.chilkatsoft.chilkat2.JsonObject;
import com.chilkatsoft.chilkat2.Jws;
import com.chilkatsoft.chilkat2.StringBuilder;

public class ChilkatExample {

    public static void main(String[] args) {
        Jws jws = new Jws();

        // Set the protected header for signer 0, specifying the signature algorithm (alg).
        JsonObject header = new JsonObject();
        header.updateString("alg", "HS256");
        try {
            jws.setProtectedHeader(0, header);
        } catch (ChilkatException e) {
            System.out.println(e.getLastErrorText());
            return;
        }

        // Set the payload to be signed.
        boolean bIncludeBom = false;
        try {
            jws.setPayload("This is the content to sign.", "utf-8", bIncludeBom);
        } catch (ChilkatException e) {
            System.out.println(e.getLastErrorText());
            return;
        }

        // Provide the HMAC key (base64) for signer 0.  In production, obtain the key from a secure source
        // rather than hard-coding it.
        String base64Key = "YWJjZGVmZ2hpamtsbW5vcHFyc3R1dnd4eXowMTIzNDU=";
        try {
            jws.setMacKey(0, base64Key, "base64");
        } catch (ChilkatException e) {
            System.out.println(e.getLastErrorText());
            return;
        }

        // Create the JWS and write it into a StringBuilder.
        StringBuilder sbJws = new StringBuilder();
        try {
            jws.createJwsSb(sbJws);
        } catch (ChilkatException e) {
            System.out.println(e.getLastErrorText());
            return;
        }

        System.out.println(sbJws.getAsString());
    }
}