dagger.hilt.android.plugin.util.CopyTransform.kt Maven / Gradle / Ivy

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A fast dependency injector for Android and Java.

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package dagger.hilt.android.plugin.util

import org.gradle.api.artifacts.transform.CacheableTransform
import org.gradle.api.artifacts.transform.InputArtifact
import org.gradle.api.artifacts.transform.TransformAction
import org.gradle.api.artifacts.transform.TransformOutputs
import org.gradle.api.artifacts.transform.TransformParameters
import org.gradle.api.file.FileSystemLocation
import org.gradle.api.provider.Provider
import org.gradle.api.tasks.Classpath

// A transform that registers the input jar file as an output and thus changing from one artifact
// type to another.
// TODO: Improve to only copy classes that need to be visible by Hilt & Dagger.
@CacheableTransform
abstract class CopyTransform : TransformAction {
  @get:Classpath
  @get:InputArtifact
  abstract val inputArtifactProvider: Provider

  override fun transform(outputs: TransformOutputs) {
    val input = inputArtifactProvider.get().asFile
    when {
      input.isDirectory -> outputs.dir(input)
      input.isFile -> outputs.file(input)
      else -> error("File/directory does not exist: ${input.absolutePath}")
    }
  }
}