Implement custom toolchain resolver

build-logic/settings.gradle

@@ -11,4 +11,5 @@ include 'commons'
 include 'gradle-tasks'
 include 'packaging'
 include 'regtest'
+include 'toolchain-resolver'
 include 'tor-binary'

build-logic/toolchain-resolver/build.gradle

@@ -0,0 +1,17 @@
+plugins {
+    id 'org.jetbrains.kotlin.jvm' version '1.7.10'
+    id 'org.gradle.kotlin.kotlin-dsl' version '2.4.1'
+}
+
+repositories {
+    mavenCentral()
+}
+
+gradlePlugin {
+    plugins {
+        simplePlugin {
+            id = 'bisq.gradle.toolchain_resolver.ToolchainResolverPlugin'
+            implementationClass = 'bisq.gradle.toolchain_resolver.ToolchainResolverPlugin'
+        }
+    }
+}

build-logic/toolchain-resolver/src/main/kotlin/bisq/gradle/toolchain_resolver/BisqToolchainResolver.kt

@@ -0,0 +1,50 @@
+package bisq.gradle.toolchain_resolver
+
+import org.gradle.jvm.toolchain.JavaToolchainDownload
+import org.gradle.jvm.toolchain.JavaToolchainRequest
+import org.gradle.jvm.toolchain.JavaToolchainResolver
+import org.gradle.platform.OperatingSystem
+import java.net.URI
+import java.util.*
+
+@Suppress("UnstableApiUsage")
+abstract class BisqToolchainResolver : JavaToolchainResolver {
+    override fun resolve(toolchainRequest: JavaToolchainRequest): Optional<JavaToolchainDownload> {
+        val operatingSystem = toolchainRequest.buildPlatform.operatingSystem
+        val javaVersion = toolchainRequest.javaToolchainSpec.languageVersion.get().asInt()
+
+        val toolchainUrl: String = when (operatingSystem) {
+            OperatingSystem.LINUX -> getToolchainUrlForLinux(javaVersion)
+            OperatingSystem.MAC_OS -> getToolchainUrlForMacOs(javaVersion)
+            OperatingSystem.WINDOWS -> getToolchainUrlForWindows(javaVersion)
+            else -> null
+
+        } ?: return Optional.empty()
+
+        val uri = URI(toolchainUrl)
+        return Optional.of(
+            JavaToolchainDownload.fromUri(uri)
+        )
+    }
+
+    private fun getToolchainUrlForLinux(javaVersion: Int): String? =
+        when (javaVersion) {
+            11 -> "https://cdn.azul.com/zulu/bin/zulu11.66.15-ca-jdk11.0.20-linux_x64.zip"
+            17 -> "https://cdn.azul.com/zulu/bin/zulu17.44.15-ca-jdk17.0.8-linux_x64.zip"
+            else -> null
+        }
+
+    private fun getToolchainUrlForMacOs(javaVersion: Int): String? =
+        when (javaVersion) {
+            11 -> "https://cdn.azul.com/zulu/bin/zulu11.66.15_1-ca-jdk11.0.20-macosx_x64.tar.gz"
+            17 -> "https://cdn.azul.com/zulu/bin/zulu17.44.15_1-ca-jdk17.0.8-macosx_x64.tar.gz"
+            else -> null
+        }
+
+    private fun getToolchainUrlForWindows(javaVersion: Int): String? =
+        when (javaVersion) {
+            11 -> "https://cdn.azul.com/zulu/bin/zulu11.66.15-ca-jdk11.0.20-win_x64.zip"
+            17 -> "https://cdn.azul.com/zulu/bin/zulu17.44.15-ca-jdk17.0.8-win_x64.zip"
+            else -> null
+        }
+}

build-logic/toolchain-resolver/src/main/kotlin/bisq/gradle/toolchain_resolver/ToolchainResolverPlugin.kt

@@ -0,0 +1,15 @@
+package bisq.gradle.toolchain_resolver
+
+import org.gradle.api.Plugin
+import org.gradle.api.initialization.Settings
+import org.gradle.jvm.toolchain.*
+import javax.inject.Inject
+
+@Suppress("UnstableApiUsage")
+class ToolchainResolverPlugin @Inject constructor(private val toolchainResolverRegistry: JavaToolchainResolverRegistry) : Plugin<Settings> {
+
+    override fun apply(settings: Settings) {
+        settings.plugins.apply("jvm-toolchain-management")
+        toolchainResolverRegistry.register(BisqToolchainResolver::class.java)
+    }
+}

settings.gradle

@@ -6,14 +6,14 @@ pluginManagement {
 }
 
 plugins {
-    id("org.gradle.toolchains.foojay-resolver") version "0.7.0"
+    id 'bisq.gradle.toolchain_resolver.ToolchainResolverPlugin'
 }
 
 toolchainManagement {
     jvm {
         javaRepositories {
-            repository("foojay") {
+            repository("bisq_zulu") {
-                resolverClass = org.gradle.toolchains.foojay.FoojayToolchainResolver
+                resolverClass = bisq.gradle.toolchain_resolver.BisqToolchainResolver
             }
         }
     }