1 files changed, 52 insertions, 0 deletions
diff --git a/src/main/scala/forge/Util.scala b/src/main/scala/forge/Util.scala
new file mode 100644
index 00000000..89a3eafe
--- /dev/null
+++ b/src/main/scala/forge/Util.scala
@@ -0,0 +1,52 @@
+package forge
+
+import java.io.FileOutputStream
+import java.nio.{file => jnio}
+import java.util.jar.JarEntry
+
+import sourcecode.Enclosing
+
+import scala.collection.JavaConverters._
+
+object Util{
+  def compileAll(sources: Target[Seq[jnio.Path]])
+                (implicit defCtx: DefCtx) = {
+    Target.Subprocess(
+      Seq(sources),
+      args =>
+        Seq("javac") ++
+        args[Seq[jnio.Path]](0).map(_.toAbsolutePath.toString) ++
+        Seq("-d", args.dest.toAbsolutePath.toString),
+      defCtx
+    ).map(_.dest)
+  }
+
+  def list(root: Target[jnio.Path])(implicit defCtx: DefCtx): Target[Seq[jnio.Path]] = {
+    root.map(jnio.Files.list(_).iterator().asScala.toArray[jnio.Path])
+  }
+  case class jarUp(roots: Target[jnio.Path]*)(implicit val defCtx: DefCtx) extends Target[jnio.Path]{
+
+    val inputs = roots
+    def evaluate(args: Args): jnio.Path = {
+
+      val output = new java.util.jar.JarOutputStream(new FileOutputStream(args.dest.toFile))
+      for{
+        root0 <- args.args
+        root = root0.asInstanceOf[jnio.Path]
+
+        path <- jnio.Files.walk(root).iterator().asScala
+        if jnio.Files.isRegularFile(path)
+      }{
+        val relative = root.relativize(path)
+        output.putNextEntry(new JarEntry(relative.toString))
+        output.write(jnio.Files.readAllBytes(path))
+      }
+      output.close()
+      args.dest
+    }
+
+
+  }
+
+
+}
+\ No newline at end of file