Clean up Gradle build warnings

build.gradle

@@ -1,12 +1,9 @@
-import java.nio.file.Files;
-import java.nio.file.StandardCopyOption;
-
 buildscript {
     repositories {
         mavenCentral()
         google()
         maven {
-            url "https://plugins.gradle.org/m2/"
+            url = "https://plugins.gradle.org/m2/"
         }
     }
     dependencies {
@@ -15,6 +12,14 @@ buildscript {
     }
 }
 
+import org.gradle.api.file.RelativePath
+
+// Set the license for IDEs that understand this
+ext.license = file("$rootDir/source-file-header-template.txt")
+
+apply plugin: 'base'
+apply from: file('version.gradle')
+
 allprojects {
     repositories {
         mavenCentral()
@@ -25,13 +30,6 @@ allprojects {
     }
 }
 
-// Set the license for IDEs that understand this
-ext.license = file("$rootDir/source-file-header-template.txt")
-
-apply plugin: 'base'
-apply plugin: 'com.github.spotbugs'
-apply from: file('version.gradle')
-
 // This is applied to all sub projects
 subprojects {
     if(!project.name.equals('jme3-android-examples')) {
@@ -58,13 +56,17 @@ subprojects {
     }
 }
 
-task run(dependsOn: ':jme3-examples:run') {
+tasks.register('run') {
+    dependsOn ':jme3-examples:run'
     description = 'Run the jME3 examples'
 }
 
 defaultTasks 'run'
 
-task libDist(dependsOn: subprojects.build, description: 'Builds and copies the engine binaries, sources and javadoc to build/libDist') {
+def libDist = tasks.register('libDist') {
+    dependsOn(subprojects.collect { it.tasks.named('build') })
+    description = 'Builds and copies the engine binaries, sources and javadoc to build/libDist'
+
     doLast {
         File libFolder = mkdir("$buildDir/libDist/lib")
         File sourceFolder = mkdir("$buildDir/libDist/sources")
@@ -74,21 +76,22 @@ task libDist(dependsOn: subprojects.build, description: 'Builds and copies the e
                 project.tasks.withType(Jar).each {archiveTask ->
                     String classifier = archiveTask.archiveClassifier.get()
                     String ext = archiveTask.archiveExtension.get()
+                    File archiveFile = archiveTask.archiveFile.get().asFile
                     if (classifier == "sources") {
                         copy {
-                            from archiveTask.archivePath
+                            from archiveFile
                                 into sourceFolder
                                 rename {project.name + '-' + classifier + '.' + ext}
                         }
                     } else if (classifier == "javadoc") {
                         copy {
-                            from archiveTask.archivePath
+                            from archiveFile
                                 into javadocFolder
                                 rename {project.name + '-' + classifier + '.' + ext}
                         }
                     } else{
                         copy {
-                            from archiveTask.archivePath
+                            from archiveFile
                                 into libFolder
                                 rename {project.name + '.' + ext}
                         }
@@ -99,7 +102,9 @@ task libDist(dependsOn: subprojects.build, description: 'Builds and copies the e
     }
 }
 
-task createZipDistribution(type:Zip,dependsOn:["dist","libDist"], description:"Package the nightly zip distribution"){
+tasks.register('createZipDistribution', Zip) {
+    dependsOn(tasks.named('dist'), libDist)
+    description = 'Package the nightly zip distribution'
     archiveFileName = provider {
         "jME" + jmeFullVersion + ".zip"
     }
@@ -111,7 +116,7 @@ task createZipDistribution(type:Zip,dependsOn:["dist","libDist"], description:"P
     }
 }
 
-task copyLibs(type: Copy){
+tasks.register('copyLibs', Copy) {
 //    description 'Copies the engine dependencies to build/libDist'
     from {
         subprojects*.configurations*.implementation*.copyRecursive({ !(it instanceof ProjectDependency); })*.resolve()
@@ -120,8 +125,9 @@ task copyLibs(type: Copy){
     into "$buildDir/libDist/lib-ext" //buildDir.path + '/' + libsDirName + '/lib'
 }
 
-task dist(dependsOn: [':jme3-examples:dist', 'mergedJavadoc']){
-    description 'Creates a jME3 examples distribution with all jme3 binaries, sources, javadoc and external libraries under ./dist'
+tasks.register('dist') {
+    dependsOn ':jme3-examples:dist', tasks.named('mergedJavadoc')
+    description = 'Creates a jME3 examples distribution with all jme3 binaries, sources, javadoc and external libraries under ./dist'
 }
 
 def mergedJavadocSubprojects = [
@@ -139,13 +145,12 @@ def mergedJavadocSubprojects = [
         ":jme3-plugins",
         ":jme3-terrain",
 ]
-task mergedJavadoc(type: Javadoc, description: 'Creates Javadoc from all the projects.') {
+tasks.register('mergedJavadoc', Javadoc) {
+    description = 'Creates Javadoc from all the projects.'
     title = 'jMonkeyEngine3'
-    destinationDir = mkdir("dist/javadoc")
+    destinationDir = file("dist/javadoc")
 
     options.encoding = 'UTF-8'
-
-    // Allows Javadoc to be generated on Java 8 despite doclint errors.
     if (JavaVersion.current().isJava8Compatible()) {
         options.addStringOption('Xdoclint:none', '-quiet')
     }
@@ -155,13 +160,12 @@ task mergedJavadoc(type: Javadoc, description: 'Creates Javadoc from all the pro
     classpath = files(mergedJavadocSubprojects.collect { project(it).sourceSets.main.compileClasspath })
 }
 
-clean.dependsOn('cleanMergedJavadoc')
-task cleanMergedJavadoc(type: Delete) {
+def cleanMergedJavadoc = tasks.register('cleanMergedJavadoc', Delete) {
     delete file('dist/javadoc')
 }
 
-task mergedSource(type: Copy){
-
+tasks.named('clean') {
+    dependsOn cleanMergedJavadoc
 }
 
 ext {
@@ -192,54 +196,61 @@ task configureAndroidNDK {
 gradle.rootProject.ext.set("usePrebuildNatives", buildNativeProjects!="true");
 
 if (skipPrebuildLibraries != "true" && buildNativeProjects != "true") {
-    String rootPath = rootProject.projectDir.absolutePath
-
-    Properties nativesSnapshotProp = new Properties()
-    File nativesSnapshotPropF = new File("${rootPath}/natives-snapshot.properties");
+    File nativesSnapshotPropF = file('natives-snapshot.properties')
 
     if (nativesSnapshotPropF.exists()) {
+        def readNativesConfig = {
+            Properties nativesSnapshotProp = new Properties()
+            nativesSnapshotPropF.withInputStream { nativesSnapshotProp.load(it) }
 
-        nativesSnapshotPropF.withInputStream { nativesSnapshotProp.load(it) }
-
-        String nativesSnapshot = nativesSnapshotProp.getProperty("natives.snapshot");
-        String nativesUrl = PREBUILD_NATIVES_URL.replace('${natives.snapshot}', nativesSnapshot)
-        println "Use natives snapshot: " + nativesUrl
+            String nativesSnapshot = nativesSnapshotProp.getProperty("natives.snapshot")
+            if (!nativesSnapshot) {
+                throw new GradleException("Missing 'natives.snapshot' in ${nativesSnapshotPropF}")
+            }
 
-        String nativesZipFile = "${rootPath}" + File.separator + "build" + File.separator + nativesSnapshot + "-natives.zip"
-        String nativesPath = "${rootPath}" + File.separator + "build" + File.separator + "native"
+            [
+                snapshot: nativesSnapshot,
+                url: PREBUILD_NATIVES_URL.replace('${natives.snapshot}', nativesSnapshot),
+                zipFile: layout.buildDirectory.file("${nativesSnapshot}-natives.zip"),
+                nativeDir: layout.buildDirectory.dir("native"),
+            ]
+        }
 
+        def nativesZipFile = providers.provider { readNativesConfig().zipFile.get().asFile }
+        def nativesPath = layout.buildDirectory.dir("native")
 
-        task getNativesZipFile {
-            outputs.file nativesZipFile
+        def getNativesZipFile = tasks.register('getNativesZipFile') {
+            outputs.file(nativesZipFile)
             doFirst {
-                File target = file(nativesZipFile);
-                println("Download natives from " + nativesUrl + " to " + nativesZipFile);
-                target.getParentFile().mkdirs();
-                ant.get(src: nativesUrl, dest: target);
+                def nativesConfig = readNativesConfig()
+                File target = nativesConfig.zipFile.get().asFile
+                println("Use natives snapshot: ${nativesConfig.url}")
+                println("Download natives from ${nativesConfig.url} to ${target}")
+                target.getParentFile().mkdirs()
+                ant.get(src: nativesConfig.url, dest: target)
             }
         }
 
-        task extractPrebuiltNatives {
-            inputs.file nativesZipFile
-            outputs.dir nativesPath
-            dependsOn getNativesZipFile
-
-            doFirst {
-                for (File src : zipTree(nativesZipFile)) {
-                    String srcRel = src.getAbsolutePath().substring((int) (nativesZipFile.length() + 1));
-                    srcRel = srcRel.substring(srcRel.indexOf(File.separator) + 1);
-
-                    File dest = new File(nativesPath + File.separator + srcRel);
-                    boolean doCopy = !(dest.exists() && dest.lastModified() > src.lastModified())
-                    if (doCopy) {
-                        println("Copy " + src + " " + dest);
-                        dest.getParentFile().mkdirs();
-                        Files.copy(src.toPath(), dest.toPath(), StandardCopyOption.REPLACE_EXISTING);
+        def extractPrebuiltNatives = tasks.register('extractPrebuiltNatives', Sync) {
+            dependsOn(getNativesZipFile)
+            into(nativesPath)
+            from({
+                zipTree(readNativesConfig().zipFile.get().asFile)
+            }) {
+                eachFile { details ->
+                    def segments = details.relativePath.segments
+                    if (segments.length <= 1) {
+                        details.exclude()
+                    } else {
+                        details.relativePath = new RelativePath(details.isDirectory(), segments[1..-1] as String[])
                     }
                 }
+                includeEmptyDirs = false
             }
         }
 
-        assemble.dependsOn extractPrebuiltNatives
+        tasks.named('assemble') {
+            dependsOn extractPrebuiltNatives
+        }
     }
-}
+}

common.gradle

@@ -72,6 +72,9 @@ javadoc {
     options.use = "true"
     options.charSet = "UTF-8"
     options.encoding = "UTF-8"
+    if (JavaVersion.current().isJava8Compatible()) {
+        options.addStringOption('Xdoclint:none', '-quiet')
+    }
     source = sourceSets.main.allJava // main only, exclude tests
 }
 
@@ -154,7 +157,7 @@ publishing {
                 }
                 url = POM_URL
             }
-            version project.version
+            version = project.version
         }
     }
 
@@ -209,8 +212,8 @@ tasks.withType(Sign) {
 }
 
 checkstyle {
-    toolVersion libs.versions.checkstyle.get()
-    configFile file("${gradle.rootProject.rootDir}/config/checkstyle/checkstyle.xml")
+    toolVersion = libs.versions.checkstyle.get()
+    configFile = file("${gradle.rootProject.rootDir}/config/checkstyle/checkstyle.xml")
 }
 
 checkstyleMain {
@@ -227,4 +230,4 @@ tasks.withType(Checkstyle) {
         html.required.set(true)
     }
     include("**/com/jme3/renderer/**/*.java")
-}
+}

jme3-android/build.gradle

@@ -1,11 +1,9 @@
-apply plugin: 'java'
-
 dependencies {
     //added annotations used by JmeSurfaceView.
     compileOnly libs.androidx.annotation
     compileOnly libs.androidx.lifecycle.common
     api project(':jme3-core')
-    compileOnly 'android:android'
+    compileOnly files(rootProject.file('lib/android.jar'))
 }
 
 compileJava {

jme3-examples/build.gradle

@@ -1,5 +1,8 @@
 ext.mainClassName = 'jme3test.TestChooser'
 
+def androidProject = project(':jme3-android')
+def androidNativeProject = project(':jme3-android-native')
+
 task run(dependsOn: 'build', type:JavaExec) {
     mainClass = mainClassName
     classpath = sourceSets.main.runtimeClasspath
@@ -69,21 +72,21 @@ task dist (dependsOn: ['build', ':jme3-android:jar', ':jme3-android-native:jar']
             }
         }
         copy {
-            from jar.archivePath
+            from tasks.named('jar').flatMap { it.archiveFile }
             into '../dist'
             rename { "jMonkeyEngine3.jar" }
         }
 
         // Copy android packages, remove version
         copy {
-            from project(':jme3-android').jar.archivePath
+            from androidProject.tasks.named('jar').flatMap { it.archiveFile }
             into '../dist/opt/android'
-            rename {project(':jme3-android').name+".jar"}
+            rename { androidProject.name + ".jar" }
         }
         copy {
-            from project(':jme3-android-native').jar.archivePath
+            from androidNativeProject.tasks.named('jar').flatMap { it.archiveFile }
             into '../dist/opt/android'
-            rename {project(':jme3-android-native').name+".jar"}
+            rename { androidNativeProject.name + ".jar" }
         }
     }
 }

jme3-ios-native/build.gradle

@@ -1,31 +1,33 @@
 import org.apache.tools.ant.taskdefs.condition.Os
 
-task deleteXcframework(type: Delete) {
+def deleteXcframework = tasks.register('deleteXcframework', Delete) {
     delete 'template/META-INF/robovm/ios/libs/jme3-ios-native.xcframework'
 }
 
-task buildNativeLibIos(type: Exec) {
+def buildNativeLibIos = tasks.register('buildNativeLibIos', Exec) {
     executable "xcodebuild"
     args 'archive', '-project', 'jme3-ios-native.xcodeproj', '-scheme', 'jme3-ios-native', '-configuration', 'release', '-destination', 'generic/platform=iOS', '-archivePath', 'build/archives/jme3-ios-native_iOS', 'SKIP_INSTALL=NO', 'BUILD_LIBRARY_FOR_DISTRIBUTION=YES'
 }
 
-task buildNativeLibSimulator(type: Exec) {
+def buildNativeLibSimulator = tasks.register('buildNativeLibSimulator', Exec) {
     executable "xcodebuild"
     args 'archive', '-project', 'jme3-ios-native.xcodeproj', '-scheme', 'jme3-ios-native', '-configuration', 'release', '-destination', 'generic/platform=iOS Simulator', '-archivePath', 'build/archives/jme3-ios-native_iOS-Simulator', 'SKIP_INSTALL=NO', 'BUILD_LIBRARY_FOR_DISTRIBUTION=YES'
 }
 
-task buildNativeLib(type: Exec) {
-    dependsOn 'deleteXcframework'
-    dependsOn 'buildNativeLibIos'
-    dependsOn 'buildNativeLibSimulator'
+def buildNativeLib = tasks.register('buildNativeLib', Exec) {
+    dependsOn deleteXcframework
+    dependsOn buildNativeLibIos
+    dependsOn buildNativeLibSimulator
     executable "xcodebuild"
     args '-create-xcframework', '-framework', 'build/archives/jme3-ios-native_iOS.xcarchive/Products/Library/Frameworks/jme3_ios_native.framework', '-framework', 'build/archives/jme3-ios-native_iOS-Simulator.xcarchive/Products/Library/Frameworks/jme3_ios_native.framework', '-output', 'template/META-INF/robovm/ios/libs/jme3-ios-native.xcframework'
 }
 
 // buildNativeProjects is a string set to "true"
 if (Os.isFamily(Os.FAMILY_MAC) && buildNativeProjects == "true") {
     // build native libs and update stored pre-compiled libs to commit
-    compileJava.dependsOn { buildNativeLib }
+    tasks.named('compileJava') {
+        dependsOn buildNativeLib
+    }
 } else {
     // TODO: (like android natives?) use pre-compiled native libs (not building new ones)
     // compileJava.dependsOn { copyPreCompiledLibs }