Android™
Android™
Get the JWS Payload as a String
See more JSON Web Signatures (JWS) Examples
Demonstrates Jws.GetPayload, which returns the payload of a loaded JWS as text, decoded using the given charset.
Background. In practice, validate the signature before trusting the payload. Getting the payload retrieves the signed content.
Chilkat Android™ Downloads
// Important: Don't forget to include the call to System.loadLibrary
// as shown at the bottom of this code sample.
package com.test;
import android.app.Activity;
import com.chilkatsoft.*;
import android.widget.TextView;
import android.os.Bundle;
public class SimpleActivity extends Activity {
private static final String TAG = "Chilkat";
// Called when the activity is first created.
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
boolean success = false;
CkJws jws = new CkJws();
// Load the JWS compact serialization.
String jwsCompact = "eyJhbGciOiJIUzI1NiJ9.VGhpcyBpcyB0aGUgY29udGVudCB0byBzaWduLg.<signature>";
success = jws.LoadJws(jwsCompact);
if (success == false) {
Log.i(TAG, jws.lastErrorText());
return;
}
// Return the JWS payload as text, decoded using the given charset.
String payload = jws.getPayload("utf-8");
if (jws.get_LastMethodSuccess() == false) {
Log.i(TAG, jws.lastErrorText());
return;
}
Log.i(TAG, payload);
}
static {
System.loadLibrary("chilkat");
// Note: If the incorrect library name is passed to System.loadLibrary,
// then you will see the following error message at application startup:
//"The application <your-application-name> has stopped unexpectedly. Please try again."
}
}