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package moe.nea.archenemy.mojang
import kotlinx.serialization.json.Json
import kotlinx.serialization.json.decodeFromStream
import moe.nea.archenemy.util.DownloadUtils
import org.gradle.api.DefaultTask
import org.gradle.api.file.RegularFileProperty
import org.gradle.api.tasks.Input
import org.gradle.api.tasks.Internal
import org.gradle.api.tasks.OutputFile
import org.gradle.api.tasks.TaskAction
import java.net.URL
import javax.inject.Inject
abstract class DownloadVersionMetadata @Inject constructor(
@get:Input
val version: String,
) : DefaultTask() {
@get:OutputFile
abstract val file: RegularFileProperty
init {
file.convention(project.layout.buildDirectory.file("version-metadata/$version")).finalizeValue()
dependsOn(
project.extensions.getByType(ArchenemySharedExtension::class.java)
.getDownloadMinecraftVersionManifestTask()
)
}
companion object {
private val json = Json { ignoreUnknownKeys = true }
}
@TaskAction
fun downloadVersion() {
val manifest =
project.extensions.getByType(ArchenemySharedExtension::class.java).getDownloadMinecraftVersionManifestTask()
.getManifestNow()
val versionManifestUrl = manifest.versions.find { it.id == version }!!.url
val parts = versionManifestUrl.split("/")
val hash = if (parts.size == 7 && parts[5].length == 40) {
parts[5]
} else {
error("uhhh hash not found")
}
DownloadUtils.downloadFile(
URL(versionManifestUrl),
hash,
file.get().asFile
)
}
@Internal
fun getVersionMetadata(): MojangVersionMetadata {
return file.get().asFile.inputStream().use(json::decodeFromStream)
}
@Internal
fun getVersionMetadataNow(): MojangVersionMetadata {
project.objects.fileCollection().from(file).files
return getVersionMetadata()
}
}
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