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package cbt
import cbt._
import java.io._
import java.nio.file._
import scala.xml._
trait ExportBuildInformation { self: BaseBuild =>
def buildInfoXml: String =
BuildInformationSerializer.serialize(BuildInformation.Project(self)).toString
}
object BuildInformation {
case class Project(
name: String,
root: File,
rootModule: Module,
modules: Seq[Module],
libraries: Seq[Library],
cbtLibraries: Seq[Library],
scalaCompilers: Seq[ScalaCompiler]
)
case class Module(
name: String,
root: File,
scalaVersion: String,
sourceDirs: Seq[File],
target: File,
binaryDependencies: Seq[BinaryDependency],
moduleDependencies: Seq[ModuleDependency],
classpath: Seq[File],
parentBuild: Option[String],
scalacOptions: Seq[String]
)
case class Library( name: String, jars: Seq[File] )
case class BinaryDependency( name: String )
case class ModuleDependency( name: String )
case class ScalaCompiler( version: String, jars: Seq[File] )
object Project {
def apply(build: BaseBuild): Project =
new BuildInformationExporter(build).exportBuildInformation
class BuildInformationExporter(rootBuild: BaseBuild) {
def exportBuildInformation: Project = {
val moduleBuilds = transitiveBuilds(rootBuild)
val libraries = moduleBuilds
.flatMap(_.transitiveDependencies)
.collect { case d: BoundMavenDependency => exportLibrary(d) }
.distinct
val cbtLibraries = convertCbtLibraries
val rootModule = exportModule(rootBuild)
val modules = moduleBuilds
.map(exportModule)
.distinct
val scalaCompilers = modules
.map(_.scalaVersion)
.map(v => ScalaCompiler(v, resolveScalaCompiler(rootBuild, v)))
Project(
rootModule.name,
rootModule.root,
rootModule,
modules,
libraries,
cbtLibraries,
scalaCompilers
)
}
private def convertCbtLibraries =
transitiveBuilds(DirectoryDependency(rootBuild.context.cbtHome)(rootBuild.context).dependenciesArray.head.asInstanceOf[BaseBuild])
.collect {
case d: BoundMavenDependency => d.jar
case d: PackageJars => d.jar.get
}
.map(exportLibrary)
.distinct
private def collectDependencies(dependencies: Seq[Dependency]): Seq[ModuleDependency] =
dependencies
.collect {
case d: BaseBuild => Seq(ModuleDependency(moduleName(d)))
case d: LazyDependency => collectDependencies(Seq(d.dependency))
}
.flatten
private def exportModule(build: BaseBuild): Module = {
val moduleDependencies = collectDependencies(build.dependencies)
val mavenDependencies = build.dependencies
.collect { case d: BoundMavenDependency => BinaryDependency(formatMavenDependency(d.mavenDependency)) }
val classpath = build.dependencyClasspath.files
.filter(_.isFile)
.distinct
val sourceDirs = {
val s = build.sources
.filter(_.exists)
.map(handleSource)
if (s.nonEmpty)
commonParents(s)
else
Seq(build.projectDirectory)
}
Module(
name = moduleName(build),
root = build.projectDirectory,
scalaVersion = build.scalaVersion,
sourceDirs = sourceDirs,
target = build.target,
binaryDependencies = mavenDependencies,
moduleDependencies = moduleDependencies,
classpath = classpath,
parentBuild = build.context.parentBuild.map(b => moduleName(b.asInstanceOf[BaseBuild])),
scalacOptions = build.scalacOptions
)
}
private def commonParents(paths: Seq[File]): Seq[File] = { //Too slow O(n^2)
val buffer = scala.collection.mutable.ListBuffer.empty[Path]
val sorted = paths
.map(_.toPath.toAbsolutePath)
.sortWith(_.getNameCount < _.getNameCount)
for (x <- sorted) {
if (!buffer.exists(x.startsWith)) {
buffer += x
}
}
buffer
.toList
.map(_.toFile)
}
private def collectLazyBuilds(dependency: Dependency): Option[BaseBuild] =
dependency match {
case l: LazyDependency =>
l.dependency match {
case d: BaseBuild => Some(d)
case d: LazyDependency => collectLazyBuilds(d.dependency)
case _ => None
}
case d: BaseBuild => Some(d)
case _ => None
}
private def transitiveBuilds(build: BaseBuild): Seq[BaseBuild] =
(build +: build.transitiveDependencies)
.collect {
case d: BaseBuild => d +: collectParentBuilds(d).flatMap(transitiveBuilds)
case d: LazyDependency =>
collectLazyBuilds(d.dependency)
.toSeq
.flatMap(transitiveBuilds)
}
.flatten
.distinct
private def exportLibrary(mavenDependency: BoundMavenDependency) = {
val name = formatMavenDependency(mavenDependency.mavenDependency)
val jars = (mavenDependency +: mavenDependency.transitiveDependencies)
.map(_.asInstanceOf[BoundMavenDependency].jar)
Library(name, jars)
}
private def exportLibrary(file: File) =
Library("CBT:" + file.getName.stripSuffix(".jar"), Seq(file))
private def collectParentBuilds(build: BaseBuild): Seq[BaseBuild] =
build.context.parentBuild
.map(_.asInstanceOf[BaseBuild])
.map(b => b +: collectParentBuilds(b))
.toSeq
.flatten
private def resolveScalaCompiler(build: BaseBuild, scalaVersion: String) =
build.Resolver(mavenCentral, sonatypeReleases).bindOne(
MavenDependency("org.scala-lang", "scala-compiler", scalaVersion)
).classpath.files
private def handleSource(source: File): File =
if (source.isDirectory)
source
else
source.getParentFile //Let's asume that for now
private def formatMavenDependency(dependency: cbt.MavenDependency) =
s"${dependency.groupId}:${dependency.artifactId}:${dependency.version}"
private def moduleName(build: BaseBuild) =
if (rootBuild.projectDirectory == build.projectDirectory)
rootBuild.projectDirectory.getName
else
build.projectDirectory.getPath
.drop(rootBuild.projectDirectory.getPath.length)
.stripPrefix("/")
.replace("/", "-")
}
}
}
object BuildInformationSerializer {
def serialize(project: BuildInformation.Project): Node =
<project name={project.name} root={project.root.toString} rootModule={project.rootModule.name}>
<modules>
{project.modules.map(serialize)}
</modules>
<libraries>
{project.libraries.map(serialize)}
</libraries>
<cbtLibraries>
{project.cbtLibraries.map(serialize)}
</cbtLibraries>
<scalaCompilers>
{project.scalaCompilers.map(serialize)}
</scalaCompilers>
</project>
private def serialize(module: BuildInformation.Module): Node =
<module name={module.name} root={module.root.toString} target={module.target.toString} scalaVersion={module.scalaVersion}>
<sourceDirs>
{module.sourceDirs.map(d => <dir>{d}</dir>)}
</sourceDirs>
<scalacOptions>
{module.scalacOptions.map(o => <option>{o}</option>)}
</scalacOptions>
<dependencies>
{module.binaryDependencies.map(serialize)}
{module.moduleDependencies.map(serialize)}
</dependencies>
<classpath>
{module.classpath.map(c => <classpathItem>{c.toString}</classpathItem>)}
</classpath>
{module.parentBuild.map(p => <parentBuild>{p}</parentBuild>).getOrElse(NodeSeq.Empty)}
</module>
private def serialize(binaryDependency: BuildInformation.BinaryDependency): Node =
<binaryDependency>{binaryDependency.name}</binaryDependency>
private def serialize(library: BuildInformation.Library): Node =
<library name={library.name}>
{library.jars.map(j => <jar>{j}</jar>)}
</library>
private def serialize(compiler: BuildInformation.ScalaCompiler): Node =
<compiler version={compiler.version}>
{compiler.jars.map(j => <jar>{j}</jar>)}
</compiler>
private def serialize(moduleDependency: BuildInformation.ModuleDependency): Node =
<moduleDependency>{moduleDependency.name}</moduleDependency>
}
|
