import com.google.api.client.http.javanet.NetHttpTransport;
import nl.altindag.ssl.SSLFactory;

public class App {

    public static void main(String[] args) throws Exception {
        SSLFactory sslFactory = SSLFactory.builder()
                .withIdentityMaterial("identity.jks", "password".toCharArray())
                .withTrustMaterial("truststore.jks", "password".toCharArray())
                .build();

        NetHttpTransport httpTransport = new NetHttpTransport.Builder()
                .setSslSocketFactory(sslFactory.getSslSocketFactory())
                .setHostnameVerifier(sslFactory.getHostnameVerifier())
                .build();
    }

}