import aQute.bnd.osgi.Builder import aQute.bnd.osgi.Constants._ import java.util.Properties import sbt._ import sbt.Keys._ import collection.JavaConverters._ import VersionUtil.versionProperties /** OSGi packaging for the Scala build, distilled from sbt-osgi. We do not use sbt-osgi because it * depends on a newer version of BND which gives slightly different output (probably OK to upgrade * in the future but for now it would make comparing the sbt and ant build output harder) and does * not allow a crucial bit of configuration that we need: Setting the classpath for BND. In sbt-osgi * this is always `fullClasspath in Compile` whereas we want `products in Compile in packageBin`. */ object Osgi { val bundle = TaskKey[File]("osgiBundle", "Create an OSGi bundle.") val bundleName = SettingKey[String]("osgiBundleName", "The Bundle-Name for the manifest.") val bundleSymbolicName = SettingKey[String]("osgiBundleSymbolicName", "The Bundle-SymbolicName for the manifest.") val headers = SettingKey[Seq[(String, String)]]("osgiHeaders", "Headers and processing instructions for BND.") def settings: Seq[Setting[_]] = Seq( bundleName := description.value, bundleSymbolicName := organization.value + "." + name.value, headers := { val v = VersionUtil.versionProperties.value.osgiVersion Seq( "Bundle-Name" -> bundleName.value, "Bundle-SymbolicName" -> bundleSymbolicName.value, "ver" -> v, "Export-Package" -> ("*;version=${ver}"), "Import-Package" -> ("scala.*;version=\"${range;[==,=+);${ver}}\",*"), "Bundle-Version" -> v, "Bundle-RequiredExecutionEnvironment" -> "JavaSE-1.8", "-eclipse" -> "false" ) }, bundle <<= Def.task { val res = (products in Compile in packageBin).value bundleTask(headers.value.toMap, (products in Compile in packageBin).value, (artifactPath in (Compile, packageBin)).value, res, streams.value) }, packagedArtifact in (Compile, packageBin) <<= (artifact in (Compile, packageBin), bundle).identityMap, // Also create OSGi source bundles: packageOptions in (Compile, packageSrc) += Package.ManifestAttributes( "Bundle-Name" -> (description.value + " Sources"), "Bundle-SymbolicName" -> (bundleSymbolicName.value + ".source"), "Bundle-Version" -> versionProperties.value.osgiVersion, "Eclipse-SourceBundle" -> (bundleSymbolicName.value + ";version=\"" + versionProperties.value.osgiVersion + "\";roots:=\".\"") ) ) def bundleTask(headers: Map[String, String], fullClasspath: Seq[File], artifactPath: File, resourceDirectories: Seq[File], streams: TaskStreams): File = { val log = streams.log val builder = new Builder builder.setClasspath(fullClasspath.toArray) headers foreach { case (k, v) => builder.setProperty(k, v) } val includeRes = resourceDirectories.filter(_.exists).map(_.getAbsolutePath).mkString(",") if(!includeRes.isEmpty) builder.setProperty(INCLUDERESOURCE, includeRes) builder.getProperties.asScala.foreach { case (k, v) => log.debug(s"bnd: $k: $v") } // builder.build is not thread-safe because it uses a static SimpleDateFormat. This ensures // that all calls to builder.build are serialized. val jar = synchronized { builder.build } builder.getWarnings.asScala.foreach(s => log.warn(s"bnd: $s")) builder.getErrors.asScala.foreach(s => log.error(s"bnd: $s")) IO.createDirectory(artifactPath.getParentFile) jar.write(artifactPath) artifactPath } }