Use Gradle Kotlin DSL (#12)

* Use JSpecify instead of custom annotations.
Remove usage of shadowJar due to compatibility issues with JPMS.

* Remove lombok as dependency.
Migrate to Gradle Kotlin SDL.
Use JDK 21.

.github/workflows/ci.yml

@@ -6,10 +6,10 @@ jobs:
 
     steps:
       - uses: actions/checkout@v2
-      - name: Set up JDK 17
+      - name: Set up JDK 21
         uses: actions/setup-java@v2
         with:
-          java-version: '17'
+          java-version: '21'
           distribution: 'adopt'
 
       - name: Validate Gradle wrapper

.gitignore

@@ -1,4 +1,6 @@
 .gradle
 .idea
+.DS_Store
 build
-lib
+lib
+TODO.md

README.md

@@ -1,14 +1,14 @@
-[![Continuous Integration](https://github.com/nicklaswallgren/bankid-java-sdk/workflows/ci/badge.svg)](https://github.com/nicklaswallgren/bankid-java-sdk/actions)
-[![License](https://img.shields.io/github/license/nicklaswallgren/bankid-java-sdk)](https://github.com/nicklaswallgren/bankid-java-sdk/blob/master/LICENSE)
-[![Language grade: Java](https://img.shields.io/lgtm/grade/java/g/NicklasWallgren/bankid-java-sdk.svg?logo=lgtm&logoWidth=18)](https://lgtm.com/projects/g/NicklasWallgren/bankid-java-sdk/context:java)
+[![Continuous Integration](https://github.com/e-identification/bankid-java-sdk/workflows/ci/badge.svg)](https://github.com/e-identification/bankid-java-sdk/actions)
+[![License](https://img.shields.io/github/license/e-identification/bankid-java-sdk)](https://github.com/e-identification/bankid-java-sdk/blob/master/LICENSE)
+[![Language grade: Java](https://img.shields.io/lgtm/grade/java/g/e-identification/bankid-java-sdk.svg?logo=lgtm&logoWidth=18)](https://lgtm.com/projects/g/e-identification/bankid-java-sdk/context:java)
 
 # BankID SDK
 
 SDK to interact with BankID API. It includes support for all the v6.0 features. There are
 some [examples that may be useful](./examples).
 
 ## Documentation
-See the project's [Javadoc](https://nicklaswallgren.github.io/bankid-java-sdk/).
+See the project's [Javadoc](https://e-identification.github.io/bankid-java-sdk/).
 
 ## Installation
 

build.gradle.kts

@@ -0,0 +1,62 @@
+plugins {
+    id("java")
+    id("checkstyle-conventions")
+    id("spotbugs-conventions")
+    id("errorprone-conventions")
+    id("test-conventions")
+    id("publish-conventions")
+}
+
+group = "dev.nicklasw"
+version = "0.15.0-SNAPSHOT"
+
+java {
+    sourceCompatibility = JavaVersion.VERSION_21
+    targetCompatibility = JavaVersion.VERSION_21
+}
+
+repositories {
+    mavenCentral()
+}
+
+dependencies {
+    implementation(libs.jackson.core.databind)
+    implementation(libs.jspecify)
+
+    testImplementation(libs.junit.jupiter.api)
+    testImplementation(libs.junit.jupiter.params)
+    testImplementation(libs.mockito.jupiter)
+    testImplementation(libs.mockito.inline)
+
+    testRuntimeOnly(libs.junit.jupiter.engine)
+}
+
+java {
+    withSourcesJar()
+    withJavadocJar()
+}
+
+tasks {
+    javadoc {
+        options {
+            // Suppress the warnings
+            (this as CoreJavadocOptions).addStringOption("Xdoclint:none", "-quiet")
+        }
+    }
+}
+
+tasks.register("code-quality") {
+    description = "Run Checkstyle, SpotBugs and ErrorProne analysis on both main and test classes"
+    group = "code-quality"
+
+    dependsOn(tasks.named("checkstyle").get())
+    dependsOn(tasks.named("spotbugs").get())
+    dependsOn(tasks.named("errorProne").get()) // Only on main classes
+}
+
+tasks.register("cq") {
+    description = "Alias for code-quality"
+    group = "code-quality"
+
+    dependsOn(tasks.named("code-quality").get())
+}

config/checkstyle/checkstyle-suppressions.xml

@@ -0,0 +1,7 @@
+<?xml version="1.0"?>
+<!DOCTYPE suppressions PUBLIC
+        "-//Puppy Crawl//DTD Suppressions 1.1//EN"
+        "http://www.puppycrawl.com/dtds/suppressions_1_1.dtd">
+<suppressions>
+    <suppress files="SuppressFBWarnings\.java" checks="[a-zA-Z0-9]*"/>
+</suppressions>

config/checkstyle/checkstyle.xml

@@ -281,4 +281,7 @@
     <module name="BeforeExecutionExclusionFileFilter">
         <property name="fileNamePattern" value="module\-info\.java$"/>
     </module>
+    <module name="SuppressionFilter">
+        <property name="file" value="${config_loc}/checkstyle-suppressions.xml" />
+    </module>
 </module>