Update Gradle [8.2.1 -> 8.7], compatible with Kotlin 2.0 #215

- Replace deprecated buildDir
- Also use task references for more explicit task ordering.

Author: greenrobot-team

gradle/wrapper/gradle-wrapper.jar

@@ -1,6 +1,6 @@
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-8.2.1-all.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-8.7-all.zip
 networkTimeout=10000
 validateDistributionUrl=true
 zipStoreBase=GRADLE_USER_HOME

gradle/wrapper/gradle-wrapper.properties

@@ -14,7 +14,7 @@ tasks.withType<JavaCompile> {
     options.release.set(8)
 }
 
-val javadocForWebDir = "$buildDir/docs/web-api-docs"
+val javadocForWebDir = layout.buildDirectory.dir("docs/web-api-docs")
 val essentialsVersion: String by rootProject.extra
 
 dependencies {
@@ -63,7 +63,7 @@ tasks.javadoc {
 }
 
 // Note: use packageJavadocForWeb to get as ZIP.
-tasks.register<Javadoc>("javadocForWeb") {
+val javadocForWeb by tasks.registering(Javadoc::class) {
     group = "documentation"
     description = "Builds Javadoc incl. objectbox-java-api classes with web tweaks."
 
@@ -100,7 +100,7 @@ tasks.register<Javadoc>("javadocForWeb") {
     source = filteredSources + fileTree(srcApi)
 
     classpath = sourceSets.main.get().output + sourceSets.main.get().compileClasspath
-    setDestinationDir(file(javadocForWebDir))
+    setDestinationDir(javadocForWebDir.get().asFile)
 
     title = "ObjectBox Java ${project.version} API"
     (options as StandardJavadocDocletOptions).apply {
@@ -141,22 +141,23 @@ tasks.register<Javadoc>("javadocForWeb") {
 }
 
 tasks.register<Zip>("packageJavadocForWeb") {
-    dependsOn("javadocForWeb")
+    dependsOn(javadocForWeb)
     group = "documentation"
     description = "Packages Javadoc incl. objectbox-java-api classes with web tweaks as ZIP."
 
     archiveFileName.set("objectbox-java-web-api-docs.zip")
-    destinationDirectory.set(file("$buildDir/dist"))
+    val distDir = layout.buildDirectory.dir("dist")
+    destinationDirectory.set(distDir)
 
     from(file(javadocForWebDir))
 
     doLast {
-        println("Javadoc for web packaged to ${file("$buildDir/dist/objectbox-java-web-api-docs.zip")}")
+        println("Javadoc for web packaged to ${distDir.get().file("objectbox-java-web-api-docs.zip")}")
     }
 }
 
 val javadocJar by tasks.registering(Jar::class) {
-    dependsOn("javadoc")
+    dependsOn(tasks.javadoc)
     archiveClassifier.set("javadoc")
     from("build/docs/javadoc")
 }

gradlew

@@ -2,8 +2,6 @@ import org.jetbrains.dokka.gradle.DokkaTask
 import org.jetbrains.kotlin.gradle.tasks.KotlinCompile
 import java.net.URL
 
-val javadocDir = file("$buildDir/docs/javadoc")
-
 plugins {
     kotlin("jvm")
     id("org.jetbrains.dokka")
@@ -30,8 +28,9 @@ tasks.withType<KotlinCompile> {
     }
 }
 
-tasks.named<DokkaTask>("dokkaHtml") {
-    outputDirectory.set(javadocDir)
+val dokkaHtml = tasks.named<DokkaTask>("dokkaHtml")
+dokkaHtml.configure {
+    outputDirectory.set(layout.buildDirectory.dir("docs/javadoc"))
 
     dokkaSourceSets.configureEach {
         // Fix "Can't find node by signature": have to manually point to dependencies.
@@ -46,10 +45,10 @@ tasks.named<DokkaTask>("dokkaHtml") {
 }
 
 val javadocJar by tasks.registering(Jar::class) {
-    dependsOn(tasks.named("dokkaHtml"))
+    dependsOn(dokkaHtml)
     group = "build"
     archiveClassifier.set("javadoc")
-    from(javadocDir)
+    from(dokkaHtml.get().outputDirectory)
 }
 
 val sourcesJar by tasks.registering(Jar::class) {

gradlew.bat

@@ -21,7 +21,7 @@ dependencies {
 }
 
 val javadocJar by tasks.registering(Jar::class) {
-    dependsOn(tasks.named("javadoc"))
+    dependsOn(tasks.javadoc)
     archiveClassifier.set("javadoc")
     from("build/docs/javadoc")
 }

objectbox-java/build.gradle.kts

@@ -2,8 +2,6 @@ import org.jetbrains.dokka.gradle.DokkaTask
 import org.jetbrains.kotlin.gradle.tasks.KotlinCompile
 import java.net.URL
 
-val javadocDir = file("$buildDir/docs/javadoc")
-
 plugins {
     id("java-library")
     kotlin("jvm")
@@ -24,8 +22,9 @@ tasks.withType<KotlinCompile> {
     }
 }
 
-tasks.named<DokkaTask>("dokkaHtml") {
-    outputDirectory.set(javadocDir)
+val dokkaHtml = tasks.named<DokkaTask>("dokkaHtml")
+dokkaHtml.configure {
+    outputDirectory.set(layout.buildDirectory.dir("docs/javadoc"))
 
     dokkaSourceSets.configureEach {
         // Fix "Can't find node by signature": have to manually point to dependencies.
@@ -54,10 +53,10 @@ dependencies {
 }
 
 val javadocJar by tasks.registering(Jar::class) {
-    dependsOn(tasks.named("dokkaHtml"))
+    dependsOn(dokkaHtml)
     group = "build"
     archiveClassifier.set("javadoc")
-    from(javadocDir)
+    from(dokkaHtml.get().outputDirectory)
 }
 
 val sourcesJar by tasks.registering(Jar::class) {