Add buildSrc for better version handling

build.gradle.kts

@@ -15,7 +15,7 @@ plugins {
 
 subprojects {
     group = "com.slalom"
-    version = "0.0.1-SNAPSHOT"
+    version = Version.project
 
     apply(plugin = "java-library")
     apply(plugin = "maven-publish")
@@ -25,8 +25,8 @@ subprojects {
     }
 
     dependencies {
-        "testImplementation"(platform("org.junit:junit-bom:5.6.2"))
-        "testImplementation"(group = "org.assertj", name = "assertj-core", version = "3.15.0")
+        "testImplementation"(platform("org.junit:junit-bom:${Version.junit}"))
+        "testImplementation"(group = "org.assertj", name = "assertj-core", version = Version.assertj)
     }
 
     publishing {
@@ -67,8 +67,8 @@ subprojects {
     }
 
     tasks.withType<JavaCompile> {
-        sourceCompatibility = JavaVersion.VERSION_1_8.toString()
-        targetCompatibility = JavaVersion.VERSION_1_8.toString()
+        sourceCompatibility = Version.java
+        targetCompatibility = Version.java
     }
 
     tasks.withType<Test> {

buildSrc/build.gradle.kts

@@ -0,0 +1,11 @@
+plugins {
+    `kotlin-dsl`
+}
+
+repositories {
+    mavenCentral()
+}
+
+kotlinDslPluginOptions {
+    experimentalWarning.set(false)
+}

buildSrc/src/main/kotlin/Dependencies.kt

@@ -0,0 +1,20 @@
+import org.gradle.api.JavaVersion
+
+object Version {
+    // Project
+    val java = JavaVersion.VERSION_1_8.toString()
+    const val project = "0.0.1-SNAPSHOT"
+
+    // Dependencies
+    const val assertj = "3.15.0"
+    const val guava = "29.0-jre"
+    const val jackson = "2.10.3"
+    const val junit = "5.6.2"
+    const val log4j2 = "2.13.1"
+    const val logback = "1.2.3"
+    const val spring = "2.2.6.RELEASE"
+    const val slf4j = "1.7.30"
+
+    // Gradle plugins
+    const val lombok_gradle_plugin = "5.0.0"
+}

compliance-logging-common/build.gradle.kts

@@ -1,11 +1,13 @@
+plugins {
+    id("io.freefair.lombok") version Version.lombok_gradle_plugin
+}
+
 description = "Common compliance library containing the masking logic"
 
 dependencies {
-    implementation(group = "org.slf4j", name = "slf4j-api", version = "1.7.30")
+    implementation(group = "org.slf4j", name = "slf4j-api", version = Version.slf4j)
 
     testImplementation(group = "org.junit.jupiter", name = "junit-jupiter")
-    testImplementation(group = "com.google.guava", name = "guava", version = "29.0-jre")
-    testImplementation(group = "com.fasterxml.jackson.core", name = "jackson-databind", version = "2.10.3")
-    testCompileOnly(group = "org.projectlombok", name = "lombok", version = "1.18.12")
-    testAnnotationProcessor(group = "org.projectlombok", name = "lombok", version = "1.18.12")
+    testImplementation(group = "com.google.guava", name = "guava", version = Version.guava)
+    testImplementation(group = "com.fasterxml.jackson.core", name = "jackson-databind", version = Version.jackson)
 }

compliance-logging-common/lombok.config

@@ -0,0 +1,2 @@
+# This file is generated by the 'io.freefair.lombok' Gradle plugin
+config.stopBubbling = true

compliance-logging-log4j2/build.gradle.kts

@@ -1,11 +1,11 @@
 plugins {
-    id("io.freefair.lombok") version "5.0.0"
+    id("io.freefair.lombok") version Version.lombok_gradle_plugin
 }
 
 description = "Compliance Log4j2 library"
 
 dependencies {
-    implementation(platform("org.apache.logging.log4j:log4j-bom:2.13.1"))
+    implementation(platform("org.apache.logging.log4j:log4j-bom:${Version.log4j2}"))
     api(project(":compliance-logging-common"))
 
     implementation(group = "org.apache.logging.log4j", name = "log4j-api")

compliance-logging-logback/build.gradle.kts

@@ -1,13 +1,13 @@
 plugins {
-    id("io.freefair.lombok") version "5.0.0"
+    id("io.freefair.lombok") version Version.lombok_gradle_plugin
 }
 
 description = "Compliance Logback library"
 
 dependencies {
     api(project(":compliance-logging-common"))
-    implementation(group = "ch.qos.logback", name = "logback-core", version = "1.2.3")
-    implementation(group = "ch.qos.logback", name = "logback-classic", version = "1.2.3")
+    implementation(group = "ch.qos.logback", name = "logback-core", version = Version.logback)
+    implementation(group = "ch.qos.logback", name = "logback-classic", version = Version.logback)
 
     testImplementation(group = "org.junit.jupiter", name = "junit-jupiter")
 }

examples/spring-boot-log4j2-example/build.gradle.kts

@@ -1,13 +1,14 @@
 plugins {
-    id("io.freefair.lombok") version "5.0.0"
+    id("io.freefair.lombok") version Version.lombok_gradle_plugin
 }
 
 dependencies {
-    implementation(platform("org.springframework.boot:spring-boot-dependencies:2.2.6.RELEASE"))
-    implementation(platform("org.apache.logging.log4j:log4j-bom:2.13.1"))
-    implementation(project(":compliance-logging-log4j2"))
+    implementation(platform("org.springframework.boot:spring-boot-dependencies:${Version.spring}"))
+    implementation(platform("org.apache.logging.log4j:log4j-bom:${Version.log4j2}"))
+
     implementation(group = "org.springframework.boot", name = "spring-boot-starter-web")
     implementation(group = "org.springframework.boot", name = "spring-boot-starter-log4j2")
+    implementation(project(":compliance-logging-log4j2"))
 }
 
 // Do not publish artifact

examples/spring-boot-logback-example/build.gradle.kts

@@ -1,10 +1,9 @@
 plugins {
-    id("io.freefair.lombok") version "5.0.0"
+    id("io.freefair.lombok") version Version.lombok_gradle_plugin
 }
 
 dependencies {
-    implementation(platform("org.springframework.boot:spring-boot-dependencies:2.2.6.RELEASE"))
-    implementation(platform("org.apache.logging.log4j:log4j-bom:2.13.1"))
+    implementation(platform("org.springframework.boot:spring-boot-dependencies:${Version.spring}"))
     implementation(group = "org.springframework.boot", name = "spring-boot-starter-web")
     implementation(project(":compliance-logging-logback"))
 }