[Gradle] Move KotlinMultiplatformPlugin.METADATA_TARGET_NAME to KotlinMetadataTarget

KT-61634

libraries/tools/kotlin-gradle-plugin-integration-tests/src/test/kotlin/org/jetbrains/kotlin/gradle/NewMultiplatformIT.kt

@@ -9,7 +9,6 @@ import org.jetbrains.kotlin.cli.common.arguments.K2NativeCompilerArguments
 import org.jetbrains.kotlin.cli.common.arguments.parseCommandLineArguments
 import org.jetbrains.kotlin.gradle.plugin.ProjectLocalConfigurations
 import org.jetbrains.kotlin.gradle.plugin.diagnostics.KotlinToolingDiagnostics
-import org.jetbrains.kotlin.gradle.plugin.mpp.KotlinMultiplatformPlugin
 import org.jetbrains.kotlin.gradle.plugin.sources.METADATA_CONFIGURATION_NAME_SUFFIX
 import org.jetbrains.kotlin.gradle.targets.jvm.KotlinJvmTarget
 import org.jetbrains.kotlin.gradle.testbase.MPPNativeTargets
@@ -825,7 +824,7 @@ open class NewMultiplatformIT : BaseGradleIT() {
             build("printMetadataFiles") {
                 assertSuccessful()
 
-                val expectedFileName = "sample-lib-${KotlinMultiplatformPlugin.METADATA_TARGET_NAME}-1.0.jar"
+                val expectedFileName = "sample-lib-metadata-1.0.jar"
 
                 val paths = metadataDependencyRegex
                     .findAll(output).map { it.groupValues[1] to it.groupValues[2] }

libraries/tools/kotlin-gradle-plugin/src/common/kotlin/org/jetbrains/kotlin/gradle/dsl/KotlinMultiplatformExtension.kt

@@ -153,7 +153,7 @@ abstract class KotlinMultiplatformExtension
 
     fun metadata(configure: KotlinOnlyTarget<KotlinMetadataCompilation<*>>.() -> Unit = { }): KotlinOnlyTarget<KotlinMetadataCompilation<*>> =
         @Suppress("UNCHECKED_CAST")
-        (targets.getByName(KotlinMultiplatformPlugin.METADATA_TARGET_NAME) as KotlinOnlyTarget<KotlinMetadataCompilation<*>>).also(configure)
+        (targets.getByName(KotlinMetadataTarget.METADATA_TARGET_NAME) as KotlinOnlyTarget<KotlinMetadataCompilation<*>>).also(configure)
 
     fun metadata(configure: Action<KotlinOnlyTarget<KotlinMetadataCompilation<*>>>) = metadata { configure.execute(this) }
 

libraries/tools/kotlin-gradle-plugin/src/common/kotlin/org/jetbrains/kotlin/gradle/plugin/mpp/AbstractKotlinTarget.kt

@@ -109,11 +109,11 @@ abstract class AbstractKotlinTarget(
         val kotlinExtension = project.kotlinExtension
 
         val result =
-            if (kotlinExtension !is KotlinMultiplatformExtension || targetName == KotlinMultiplatformPlugin.METADATA_TARGET_NAME)
+            if (kotlinExtension !is KotlinMultiplatformExtension || targetName == KotlinMetadataTarget.METADATA_TARGET_NAME)
                 KotlinVariantWithCoordinates(compilation, usageContexts)
             else {
                 val metadataTarget =
-                    kotlinExtension.targets.getByName(KotlinMultiplatformPlugin.METADATA_TARGET_NAME) as AbstractKotlinTarget
+                    kotlinExtension.targets.getByName(KotlinMetadataTarget.METADATA_TARGET_NAME) as AbstractKotlinTarget
 
                 KotlinVariantWithMetadataVariant(compilation, usageContexts, metadataTarget)
             }

libraries/tools/kotlin-gradle-plugin/src/common/kotlin/org/jetbrains/kotlin/gradle/plugin/mpp/KotlinMetadataTarget.kt

@@ -52,5 +52,9 @@ abstract class KotlinMetadataTarget @Inject constructor(
     internal fun compilerOptions(configure: Action<KotlinCommonCompilerOptions>) {
         configure.execute(compilerOptions)
     }
+
+    companion object {
+        const val METADATA_TARGET_NAME = "metadata"
+    }
 }
 

libraries/tools/kotlin-gradle-plugin/src/common/kotlin/org/jetbrains/kotlin/gradle/plugin/mpp/KotlinMultiplatformPlugin.kt

@@ -12,6 +12,6 @@ class KotlinMultiplatformPlugin : Plugin<Project> {
     override fun apply(project: Project) = Unit
 
     companion object {
-        const val METADATA_TARGET_NAME = "metadata"
+        const val METADATA_TARGET_NAME = KotlinMetadataTarget.METADATA_TARGET_NAME
     }
 }

libraries/tools/kotlin-gradle-plugin/src/common/kotlin/org/jetbrains/kotlin/gradle/plugin/mpp/KotlinProjectStructureMetadata.kt

@@ -173,7 +173,7 @@ private fun buildKotlinProjectStructureMetadata(extension: KotlinMultiplatformEx
     require(project.state.executed) { "Cannot build 'KotlinProjectStructureMetadata' during project configuration phase" }
 
     val sourceSetsWithMetadataCompilations = extension.targets
-        .getByName(KotlinMultiplatformPlugin.METADATA_TARGET_NAME)
+        .getByName(KotlinMetadataTarget.METADATA_TARGET_NAME)
         .compilations.associateBy { it.defaultSourceSet }
 
     val publishedVariantsNamesWithCompilation = project.future { getPublishedPlatformCompilations(project).mapKeys { it.key.variantName } }

libraries/tools/kotlin-gradle-plugin/src/common/kotlin/org/jetbrains/kotlin/gradle/targets/metadata/KotlinMetadataTargetSetupAction.kt

@@ -8,13 +8,13 @@ package org.jetbrains.kotlin.gradle.targets.metadata
 import org.jetbrains.kotlin.gradle.dsl.multiplatformExtension
 import org.jetbrains.kotlin.gradle.dsl.targetFromPresetInternal
 import org.jetbrains.kotlin.gradle.plugin.KotlinProjectSetupAction
+import org.jetbrains.kotlin.gradle.plugin.mpp.KotlinMetadataTarget
 import org.jetbrains.kotlin.gradle.plugin.mpp.KotlinMetadataTargetPreset
-import org.jetbrains.kotlin.gradle.plugin.mpp.KotlinMultiplatformPlugin
 
 internal val KotlinMetadataTargetSetupAction = KotlinProjectSetupAction {
     /* Create metadata target */
     multiplatformExtension.targetFromPresetInternal(
         KotlinMetadataTargetPreset(project),
-        KotlinMultiplatformPlugin.METADATA_TARGET_NAME
+        KotlinMetadataTarget.METADATA_TARGET_NAME
     )
 }