A few compiler IO lib bits I have been needing:...

A few compiler IO lib bits I have been needing: some basic conveniences
for directories and sockets, and some cleanups in CompileSocket. Review
by community.

1 files changed, 34 insertions, 0 deletions

diff --git a/src/compiler/scala/tools/nsc/io/Socket.scala b/src/compiler/scala/tools/nsc/io/Socket.scala
new file mode 100644
index 0000000000..18ccbda7a2
--- /dev/null
+++ b/src/compiler/scala/tools/nsc/io/Socket.scala
@@ -0,0 +1,34 @@
+/* NSC -- new Scala compiler
+ * Copyright 2005-2010 LAMP/EPFL
+ * @author  Paul Phillips
+ */
+
+package scala.tools.nsc
+package io
+
+import java.io.{ IOException }
+import java.net.{ URL, MalformedURLException }
+import java.net.{ InetAddress, Socket => JSocket }
+import scala.util.control.Exception._
+
+/** A skeletal only-as-much-as-I-need Socket wrapper.
+ */
+object Socket
+{
+  private val socketExceptions = List(classOf[IOException], classOf[SecurityException])
+
+  class SocketBox(f: () => Socket) {
+    def either: Either[Throwable, Socket] = catching(socketExceptions: _*) either f()
+    def opt: Option[Socket] = catching(socketExceptions: _*) opt f()
+  }
+
+  def apply(host: InetAddress, port: Int) = new SocketBox(() => new Socket(new JSocket(host, port)))
+  def apply(host: String, port: Int) = new SocketBox(() => new Socket(new JSocket(host, port)))
+}
+
+class Socket(jsocket: JSocket) {
+  def getOutputStream() = jsocket.getOutputStream()
+  def getInputStream() = jsocket.getInputStream()
+  def getPort() = jsocket.getPort()
+  def close() = jsocket.close()
+}
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