com.afrisoftech.funsoft.mobilepay.Base64Encoding.java Source code

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Here is the source code for com.afrisoftech.funsoft.mobilepay.Base64Encoding.java

Source

package com.afrisoftech.funsoft.mobilepay;

//import com.itextpdf.text.pdf.codec.Base64;
import com.squareup.okhttp.OkHttpClient;
import com.squareup.okhttp.Request;
import com.squareup.okhttp.Response;
import java.io.IOException;
import java.io.UnsupportedEncodingException;
import java.util.logging.Level;
import java.util.logging.Logger;
import javax.crypto.Mac;
import javax.crypto.spec.SecretKeySpec;
import org.json.JSONException;
import org.json.JSONObject;
import org.bouncycastle.util.encoders.Base64;

/*
 * To change this license header, choose License Headers in Project Properties.
 * To change this template file, choose Tools | Templates
 * and open the template in the editor.
 */
/**
 *
 * @author Charles Waweru <cwaweru@systempartners.biz>
 */
public class Base64Encoding {

    public static String encodetoBase64String(String stringtoEncode) {

        String appKeySecret = com.afrisoftech.hospital.HospitalMain.oAuthKey;
        //    String appKeySecret = app_key + ":" + app_secret;
        System.out.println("Consumer Secret keys : [" + com.afrisoftech.hospital.HospitalMain.oAuthKey + "]");
        byte[] bytes = null;
        try {
            bytes = appKeySecret.getBytes("ISO-8859-1");
        } catch (UnsupportedEncodingException ex) {
            Logger.getLogger(Base64Encoding.class.getName()).log(Level.SEVERE, null, ex);
        }
        String auth = Base64.toBase64String(bytes);

        OkHttpClient client = new OkHttpClient();
        System.out.println("New oAuth Access Token : [" + auth + "]");

        Request request = null;
        System.out.println("OkHttpClient : [" + client + "]");
        if (com.afrisoftech.hospital.HospitalMain.mobileTxTest) {
            request = new Request.Builder()
                    .url("https://sandbox.safaricom.co.ke/oauth/v1/generate?grant_type=client_credentials").get()
                    .addHeader("authorization", "Basic " + auth).addHeader("cache-control", "no-cache").build();
        } else {
            request = new Request.Builder()
                    .url("https://api.safaricom.co.ke/oauth/v1/generate?grant_type=client_credentials").get()
                    .addHeader("authorization", "Basic " + auth).addHeader("cache-control", "no-cache").build();
        }

        String accessToken = null;

        Response response;

        try {
            response = client.newCall(request).execute();
            JSONObject myObject = null;
            try {

                myObject = new JSONObject(response.body().string());

            } catch (JSONException ex) {
                Logger.getLogger(MobilePayAPI.class.getName()).log(Level.SEVERE, null, ex);
            }

            System.out.println("Response : " + myObject.toString());

            try {
                System.out.println("Access Token : [" + myObject.getString("access_token") + "]");

                accessToken = myObject.getString("access_token");

            } catch (JSONException e) {
                e.printStackTrace();
            }

        } catch (IOException ex) {
            ex.printStackTrace();
            javax.swing.JOptionPane.showMessageDialog(null,
                    "There is a problem connecting to mobile payments service provider. Please contact system administrator");
        }

        return accessToken;

    }

}