blended.updater.config.BundleConfig.scala Maven / Gradle / Ivy

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Configurations for Updater and Launcher
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package blended.updater.config

import scala.collection.JavaConverters.mapAsJavaMapConverter
import scala.util.Try
import com.typesafe.config.Config
import com.typesafe.config.ConfigFactory
import com.typesafe.config.ConfigParseOptions

/**
 * A bundles with a start configuration. 
 * Used as part of [[RuntimeConfig]] oder [[FeatureConfig]].
 * 
 * @param artifact The artifact (file).
 * @param start `true` if the bundle should be auto-started on container start.
 * @param startLevel The start level of this bundle.
 * 
 * @see [[RuntimeConfig]]
 * @see [[FeatureConfig]]
 */
case class BundleConfig(
    artifact: Artifact,
    start: Boolean,
    startLevel: Option[Int]) {

  def url: String = artifact.url
  def jarName: Option[String] = artifact.fileName
  def sha1Sum: Option[String] = artifact.sha1Sum

  override def toString(): String = s"${getClass().getSimpleName()}(artifact=${artifact},start=${start},url=${url},startLevel=${startLevel})"

}

object BundleConfig extends ((Artifact, Boolean, Option[Int]) => BundleConfig) {

  def apply(url: String,
    jarName: String = null,
    sha1Sum: String = null,
    start: Boolean = false,
    startLevel: Integer = null): BundleConfig =
    BundleConfig(
      artifact = Artifact(fileName = Option(jarName), url = url, sha1Sum = Option(sha1Sum)),
      start = start,
      startLevel = if(startLevel != null) Some(startLevel.intValue()) else None
    )

  def read(config: Config): Try[BundleConfig] = Try {
    //    val reference = ConfigFactory.parseResources(getClass(), "RuntimeConfig.BundleConfig-reference.conf", ConfigParseOptions.defaults().setAllowMissing(false))
    //    val optionals = ConfigFactory.parseResources(getClass(), "RuntimeConfig.BundleConfig-optional.conf", ConfigParseOptions.defaults().setAllowMissing(false))
    //    config.withFallback(optionals).checkValid(reference)

    BundleConfig(
      artifact = if (config.hasPath("artifact")) {
        // read artifact
        Artifact.read(config.getConfig("artifact")).get
      } else {
        // read legacy-structure directly
        Artifact(
          url = config.getString("url"),
          fileName = if (config.hasPath("jarName")) Option(config.getString("jarName")) else None,
          sha1Sum = if (config.hasPath("sha1Sum")) Option(config.getString("sha1Sum")) else None
        )
      },
      start = if (config.hasPath("start")) config.getBoolean("start") else false,
      startLevel = if (config.hasPath("startLevel")) Option(config.getInt("startLevel")) else None
    )
  }

  def toConfig(bundleConfig: BundleConfig): Config = {
    val config = (
      Map("url" -> bundleConfig.url) ++
      (if (bundleConfig.start) Map("start" -> bundleConfig.start) else Map()) ++
      bundleConfig.jarName.map(n => Map("jarName" -> n)).getOrElse(Map()) ++
      bundleConfig.sha1Sum.map(n => Map("sha1Sum" -> n)).getOrElse(Map()) ++
      bundleConfig.startLevel.map(sl => Map("startLevel" -> sl)).getOrElse(Map())
    ).asJava
    ConfigFactory.parseMap(config)
  }
}