1 files changed, 53 insertions, 0 deletions
diff --git a/src/main/scala/hbt/Util.scala b/src/main/scala/hbt/Util.scala
new file mode 100644
index 00000000..a7456b56
--- /dev/null
+++ b/src/main/scala/hbt/Util.scala
@@ -0,0 +1,53 @@
+package hbt
+
+import java.io.FileOutputStream
+import java.nio.{file => jnio}
+import java.util.jar.JarEntry
+
+import sourcecode.Enclosing
+
+import scala.collection.JavaConverters._
+import scala.collection.mutable
+
+object Util{
+  def compileAll(sources: Target[Seq[jnio.Path]])
+                (implicit path: Enclosing): Target[jnio.Path] = {
+    for(sources0 <- sources) yield {
+      val output = jnio.Paths.get(path.value)
+      jnio.Files.createDirectories(output)
+      val command =
+        Seq("scalac") ++
+        sources0.map(_.toString) ++
+        Seq("-d", path.value)
+
+
+
+      new java.lang.ProcessBuilder()
+        .command(command: _*)
+        .start()
+        .waitFor()
+
+      output
+    }
+  }
+
+  def list(root: Target[jnio.Path]): Target[Seq[jnio.Path]] = {
+    root.map(jnio.Files.list(_).iterator().asScala.toArray[jnio.Path])
+  }
+  def jarUp(roots: Target[jnio.Path]*)(implicit path: Enclosing): Target[jnio.Path] = {
+    for(rootsValue <- Target.traverse(roots)) yield {
+      val output = new java.util.jar.JarOutputStream(new FileOutputStream(path.value))
+      for{
+        root <- rootsValue
+        path <- jnio.Files.list(root).iterator().asScala
+      }{
+        val relative = root.relativize(path)
+        output.putNextEntry(new JarEntry(relative.toString))
+        output.write(jnio.Files.readAllBytes(path))
+      }
+      jnio.Paths.get(path.value)
+    }
+  }
+
+
+}
+\ No newline at end of file