Eng-Fouad

import javax.crypto.Mac;
import javax.crypto.spec.SecretKeySpec;
import java.net.URLEncoder;
import java.nio.charset.StandardCharsets;
import java.security.InvalidKeyException;
import java.security.MessageDigest;
import java.security.NoSuchAlgorithmException;
import java.time.ZoneId;
import java.time.ZonedDateTime;
import java.time.format.DateTimeFormatter;

Eng-Fouad

import io.smallrye.config.ConfigMapping;

/**
 * Core configuration properties.
 * 
 * @author Fouad Almalki
 */
@ConfigMapping(prefix = "core")
public interface CoreConfigs {
    String buildTimestamp();

Eng-Fouad

# Based on RedHat OS
FROM registry.access.redhat.com/ubi8/ubi-minimal:8.8-1037

# Variables
ARG JAVA_VERSION=20
ARG MANDREL_VERSION=23.0.1.2-Final
ARG MANDREL_ARCH=amd64
ARG MANDREL_FILE_NAME=mandrel-java$JAVA_VERSION-linux-$MANDREL_ARCH-$MANDREL_VERSION.tar.gz
ARG MANDREL_URL=https://github.com/MANDREL/mandrel/releases/download/mandrel-$MANDREL_VERSION/$MANDREL_FILE_NAME

Eng-Fouad

SQL Folder Structure Example:

./src/main/sql
|___ deprecated/
|              |___ postgres/
|                           |___ v2/
|                                  |___ ddl.sql (contains CREATE TABLE statements)
|                                  |___ dml.sql (contains INSERT INTO statements)
|                                  |___ test-data.sql (contains INSERT INTO statements)

|___ latest/

Eng-Fouad

package io.fouad.demo.db;

public interface UserDao {
    @SqlUpdate("CREATE TABLE user (id INTEGER PRIMARY KEY, name VARCHAR)")
    void createTable();

    @SqlUpdate("INSERT INTO user(id, name) VALUES (?, ?)")
    void insertPositional(int id, String name);

    @SqlUpdate("INSERT INTO user(id, name) VALUES (:id, :name)")

Eng-Fouad

package sample

import kotlinx.cinterop.*
import platform.windows.*

@ExperimentalUnsignedTypes
fun WndProc(hwnd: HWND?, msg: UINT, wParam: WPARAM, lParam: LPARAM) : LRESULT
{
    // This switch block differentiates between the message type that could have been received. If you want to
    // handle a specific type of message in your application, just define it in this block.

Eng-Fouad

FROM ubuntu:18.10

# install latest updates
RUN apt-get update && apt-get upgrade -y && apt-get dist-upgrade -y && apt-get autoremove -y && apt-get autoclean -y

# install unzip & wget
RUN apt-get install -y unzip wget

# install OpenJDK JRE
RUN apt-get install -y openjdk-11-jre

Eng-Fouad

<?xml version="1.0" encoding="UTF-8"?>
<server description="new server">

    <featureManager>
        <feature>transportSecurity-1.0</feature>
        <feature>jaxrs-2.1</feature>
        <feature>jpa-2.2</feature>
        <feature>cdi-2.0</feature>
    </featureManager>

Eng-Fouad

https://stackoverflow.com/a/47933342/597657

[![enter image description here][2]][2]

[![enter image description here][3]][3]

[![enter image description here][4]][4]

[![enter image description here][5]][5]

Eng-Fouad

Generate keys:

KeyPairGenerator kpg = KeyPairGenerator.getInstance("EC");
kpg.initialize(new ECGenParameterSpec("secp521r1"), new SecureRandom());
KeyPair keyPair = kpg.generateKeyPair();
ECPrivateKey privateKey = (ECPrivateKey) keyPair.getPrivate();
ECPublicKey publicKey = (ECPublicKey) keyPair.getPublic();
byte[] privateKeyS = privateKey.getS().toByteArray();
byte[] publicKeyX = publicKey.getW().getAffineX().toByteArray();

byte[] publicKeyY = publicKey.getW().getAffineY().toByteArray();