Fix gradle deprecation warnings (#8534)

Author: jack-berg

all/build.gradle.kts

@@ -79,7 +79,7 @@ tasks {
     options.release.set(11)
   }
 
-  val testJavaVersion: String? by project
+  val testJavaVersion = project.findProperty("testJavaVersion") as String?
   test {
     enabled = testJavaVersion != "8"
     dependsOn(writeArtifactsAndJars)
@@ -89,7 +89,7 @@ tasks {
 
 // https://docs.gradle.org/current/samples/sample_jvm_multi_project_with_code_coverage.html
 
-val sourcesPath by configurations.creating {
+val sourcesPath = configurations.create("sourcesPath") {
   isCanBeResolved = true
   isCanBeConsumed = false
   extendsFrom(configurations.implementation.get())
@@ -100,7 +100,7 @@ val sourcesPath by configurations.creating {
   }
 }
 
-val coverageDataPath by configurations.creating {
+val coverageDataPath = configurations.create("coverageDataPath") {
   isCanBeResolved = true
   isCanBeConsumed = false
   extendsFrom(configurations.implementation.get())

buildSrc/src/main/kotlin/otel.bom-conventions.gradle.kts

@@ -17,7 +17,7 @@ rootProject.subprojects.forEach { subproject ->
 }
 val otelBom = extensions.create<OtelBomExtension>("otelBom")
 
-val generateBuildSubstitutions by tasks.registering {
+val generateBuildSubstitutions = tasks.register("generateBuildSubstitutions") {
   group = "publishing"
   description = "Generate a code snippet that can be copy-pasted for use in composite builds."
 }
@@ -38,7 +38,7 @@ afterEvaluate {
     .filter(otelBom.projectFilter.get()::test)
     .filter { it.plugins.hasPlugin("maven-publish") }
 
-  generateBuildSubstitutions {
+  generateBuildSubstitutions.configure {
     val outputFile = File(layout.buildDirectory.asFile.get(), "substitutions.gradle.kts")
     outputs.file(outputFile)
     val substitutionSnippet = bomProjects.joinToString(

buildSrc/src/main/kotlin/otel.errorprone-conventions.gradle.kts

@@ -13,7 +13,7 @@ dependencies {
   errorprone(project(":custom-checks"))
 }
 
-val disableErrorProne = properties["disableErrorProne"]?.toString()?.toBoolean() ?: false
+val disableErrorProne = findProperty("disableErrorProne")?.toString()?.toBoolean() ?: false
 
 tasks {
   withType<JavaCompile>().configureEach {

buildSrc/src/main/kotlin/otel.jacoco-conventions.gradle.kts

@@ -16,7 +16,7 @@ tasks.named("jacocoTestReport") {
 }
 
 configurations {
-  val implementation by getting
+  val implementation = getByName("implementation")
 
   create("transitiveSourceElements") {
     isCanBeResolved = false

buildSrc/src/main/kotlin/otel.japicmp-conventions.gradle.kts

@@ -106,16 +106,16 @@ fun getCurrentClassPath(): List<File> {
 if (!project.hasProperty("otel.release") && !project.name.startsWith("bom")) {
   afterEvaluate {
     tasks {
-      val jApiCmp by registering(JapicmpTask::class) {
+      val jApiCmp = register<JapicmpTask>("jApiCmp") {
         // Depends on jar task for all published modules. See notes below.
         getAllPublishedModules().forEach {
           dependsOn(it.tasks.getByName("jar"))
         }
 
         // the japicmp "new" version is either the user-specified one, or the locally built jar.
-        val apiNewVersion: String? by project
+        val apiNewVersion = project.findProperty("apiNewVersion") as String?
         // the japicmp "old" version is either the user-specified one, or the latest release.
-        val apiBaseVersion: String? by project
+        val apiBaseVersion = project.findProperty("apiBaseVersion") as String?
         val baselineVersion = apiBaseVersion ?: latestReleasedVersion
 
         // Setup new and old classpath, new and old archives.

buildSrc/src/main/kotlin/otel.java-conventions.gradle.kts

@@ -265,12 +265,12 @@ configurations.configureEach {
   }
 }
 
-val dependencyManagement by configurations.creating {
+val dependencyManagement = configurations.create("dependencyManagement") {
   isCanBeConsumed = false
   isCanBeResolved = false
 }
 
-val mockitoAgent by configurations.creating {
+val mockitoAgent = configurations.create("mockitoAgent") {
   extendsFrom(dependencyManagement)
 }
 

buildSrc/src/main/kotlin/otel.jmh-conventions.gradle.kts

@@ -23,32 +23,32 @@ jmh {
   // Could not expand ZIP 'byte-buddy-agent-1.9.7.jar'.
   includeTests.set(false)
   profilers.add("gc")
-  val jmhIncludeSingleClass: String? by project
+  val jmhIncludeSingleClass = project.findProperty("jmhIncludeSingleClass") as String?
   if (jmhIncludeSingleClass != null) {
-    includes.add(jmhIncludeSingleClass as String)
+    includes.add(jmhIncludeSingleClass)
   }
 
-  val jmhFork: String? by project
+  val jmhFork = project.findProperty("jmhFork") as String?
   if (jmhFork != null) {
-    fork.set(jmhFork!!.toInt())
+    fork.set(jmhFork.toInt())
   }
 
-  val jmhIterations: String? by project
+  val jmhIterations = project.findProperty("jmhIterations") as String?
   if (jmhIterations != null) {
-    iterations.set(jmhIterations!!.toInt())
+    iterations.set(jmhIterations.toInt())
   }
 
-  val jmhTime: String? by project
+  val jmhTime = project.findProperty("jmhTime") as String?
   if (jmhTime != null) {
     timeOnIteration.set(jmhTime)
   }
 
-  val jmhWarmupIterations: String? by project
+  val jmhWarmupIterations = project.findProperty("jmhWarmupIterations") as String?
   if (jmhWarmupIterations != null) {
-    warmupIterations.set(jmhWarmupIterations!!.toInt())
+    warmupIterations.set(jmhWarmupIterations.toInt())
   }
 
-  val jmhWarmup: String? by project
+  val jmhWarmup = project.findProperty("jmhWarmup") as String?
   if (jmhWarmup != null) {
     warmup.set(jmhWarmup)
   }

buildSrc/src/main/kotlin/otel.protobuf-conventions.gradle.kts

@@ -7,7 +7,7 @@ plugins {
 }
 
 protobuf {
-  val versions: Map<String, String> by project
+  val versions = project.property("versions") as Map<*, *>
   protoc {
     // The artifact spec for the Protobuf Compiler
     artifact = "com.google.protobuf:protoc:${versions["com.google.protobuf"]}"

custom-checks/build.gradle.kts

@@ -44,7 +44,7 @@ tasks {
   }
 
   // only test on java 21+
-  val testJavaVersion: String? by project
+  val testJavaVersion = project.findProperty("testJavaVersion") as String?
   if (testJavaVersion != null && Integer.valueOf(testJavaVersion) < 21) {
     test {
       enabled = false

exporters/common/build.gradle.kts

@@ -56,7 +56,7 @@ if (javaVersion >= JavaVersion.VERSION_1_9) {
   }
 }
 
-val versions: Map<String, String> by project
+val versions = project.property("versions") as Map<*, *>
 dependencies {
   api(project(":api:all"))
   compileOnly(project(":sdk-extensions:autoconfigure-spi"))
@@ -87,7 +87,7 @@ dependencies {
   testRuntimeOnly("io.grpc:grpc-netty-shaded")
 }
 
-val testJavaVersion: String? by project
+val testJavaVersion = project.findProperty("testJavaVersion") as String?
 
 testing {
   suites {