Update gradle scripts to Kotlin DSL (#27)

Author: mattmook

build.gradle

@@ -0,0 +1,84 @@
+import org.jetbrains.dokka.gradle.DokkaTask
+import org.jetbrains.kotlin.gradle.tasks.KotlinCompile
+
+/*
+ * Copyright 2020 Appmattus Limited
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+plugins {
+    kotlin("jvm") version "1.3.72" apply false
+    kotlin("plugin.serialization") version "1.3.72"
+    id("org.jetbrains.dokka") version "0.10.1"
+}
+
+buildscript {
+    repositories {
+        google()
+    }
+    dependencies {
+        classpath("com.android.tools.build:gradle:4.0.1")
+    }
+}
+
+subprojects {
+    repositories {
+        google()
+        jcenter()
+        mavenCentral()
+    }
+
+    tasks.withType<KotlinCompile> {
+        kotlinOptions {
+            jvmTarget = "1.8"
+            allWarningsAsErrors = true
+        }
+    }
+}
+
+tasks.register<Delete>("clean") {
+    delete(rootProject.buildDir)
+}
+
+apply(from = "$rootDir/gradle/scripts/detekt.gradle.kts")
+apply(from = "$rootDir/gradle/scripts/dependencyUpdates.gradle.kts")
+
+val dokka = tasks.named<DokkaTask>("dokka") {
+    outputFormat = "html"
+    outputDirectory = "$buildDir/reports/dokka"
+
+    subProjects = listOf(
+        "layercache",
+        "layercache-cache2k",
+        "layercache-ehcache",
+        "layercache-serializer",
+        "layercache-android",
+        "layercache-android-encryption",
+        "layercache-android-livedata"
+    )
+
+    configuration {
+        skipDeprecated = true
+
+        sourceLink {
+            path = "$rootDir"
+            url = "https://github.com/appmattus/layercache/blob/main/"
+            lineSuffix = "#L"
+        }
+    }
+}
+
+tasks.register("check") {
+    finalizedBy(dokka)
+}

build.gradle.kts

@@ -14,15 +14,26 @@
  * limitations under the License.
  */
 
-apply plugin: 'org.jetbrains.dokka'
+import org.jetbrains.dokka.gradle.DokkaPlugin
+import org.jetbrains.dokka.gradle.DokkaTask
 
-dokka {
-    outputFormat = 'html'
-    //noinspection GroovyAssignabilityCheck
-    outputDirectory = "$buildDir/docs/javadoc"
+buildscript {
+    repositories {
+        jcenter()
+    }
+    dependencies {
+        classpath("org.jetbrains.dokka:dokka-gradle-plugin:0.10.1")
+    }
+}
+
+apply<DokkaPlugin>()
+
+val dokka = tasks.named<DokkaTask>("dokka") {
+    outputFormat = "html"
+    outputDirectory = "$buildDir/reports/dokka"
 
     configuration {
-        cacheRoot = 'default'
+        cacheRoot = "default"
         skipDeprecated = true
 
         sourceLink {
@@ -33,7 +44,9 @@ dokka {
     }
 }
 
-task dokkaJar(type: Jar, dependsOn: dokka) {
+tasks.register<Jar>("dokkaJar") {
+    dependsOn(dokka)
+
     archiveClassifier.set("javadoc")
-    from "$buildDir/docs/javadoc"
+    from("$buildDir/reports/dokka")
 }

dokka.gradle

@@ -0,0 +1,47 @@
+/*
+ * Copyright 2020 Appmattus Limited
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+apply<JacocoPlugin>()
+
+val jacocoTask = tasks.register<JacocoReport>("jacocoTestReport") {
+    dependsOn(tasks.named("testDebugUnitTest"))
+
+    reports {
+        html.isEnabled = true
+        xml.isEnabled = true
+        csv.isEnabled = false
+    }
+
+    val fileFilter = listOf(
+        "**/R.class", "**/R\$*.class", "**/BuildConfig.*", "**/Manifest*.*", "**/*Test*.*",
+        "android/**/*.*"
+    )
+    val debugTree = fileTree("${project.buildDir}/intermediates/javac/debug") {
+        exclude(fileFilter)
+    }
+
+    val mainSrc = "${project.projectDir}/src/main/kotlin"
+
+    sourceDirectories.setFrom(files(listOf(mainSrc)))
+    classDirectories.setFrom(files(listOf(debugTree)))
+    executionData.setFrom(fileTree(project.buildDir) {
+        include(listOf("jacoco/testDebugUnitTest.exec"))
+    })
+}
+
+tasks.named("check") {
+    finalizedBy(jacocoTask)
+}

dokka-android.gradle gradle/scripts/dokka-javadoc.gradle.ktsdokka-android.gradle renamed to gradle/scripts/dokka-javadoc.gradle.kts

@@ -14,14 +14,16 @@
  * limitations under the License.
  */
 
-apply plugin: 'jacoco'
+apply<JacocoPlugin>()
 
-jacocoTestReport {
+val jacocoTask = tasks.withType<JacocoReport> {
     reports {
-        xml.enabled true
-        html.enabled true
-        csv.enabled false
+        html.isEnabled = true
+        xml.isEnabled = true
+        csv.isEnabled = false
     }
 }
 
-check { finalizedBy jacocoTestReport }
+tasks.named("check") {
+    finalizedBy(jacocoTask)
+}