Embbedding a jetty Server Patch

gistfile1.txt

From 491b16f4fd6c5ec319fc6b756743a6deee756478 Mon Sep 17 00:00:00 2001
From: "nils.kuebler" <nils.kuebler@memonews.com>
Date: Wed, 21 Nov 2012 16:26:09 +0100
Subject: [PATCH] add 'assembly' task which builds a jar with embedded jetty

---
 README.md                                          |    7 ++++
 build.sbt                                          |   37 ++++++++++++++++++--
 project/plugins.sbt                                |    2 ++
 .../com/memonews/detectr/run/AppLauncher.scala     |   33 +++++++++++++++++
 4 files changed, 76 insertions(+), 3 deletions(-)
 create mode 100644 src/main/scala/com/memonews/detectr/run/AppLauncher.scala

diff --git a/README.md b/README.md
index 6fb33f6..1c5072b 100644
--- a/README.md
+++ b/README.md
@@ -31,4 +31,11 @@ $ ./sbt package
 
 ...

+```
+
+# ASSEMBLY
+
+```sh
+$ ./sbt assembly
+$ java -jar target/Detectr-assembly-0.1.0-SNAPSHOT.jar
 ```
\ No newline at end of file
diff --git a/build.sbt b/build.sbt
index 53f30fe..0d03388 100644
--- a/build.sbt
+++ b/build.sbt
@@ -15,9 +15,40 @@ libraryDependencies ++= Seq(
   "org.scalatra" % "scalatra-scalate" % "2.1.1",
   "org.scalatra" % "scalatra-specs2" % "2.1.1" % "test",
   "ch.qos.logback" % "logback-classic" % "1.0.6" % "runtime",
-  "org.eclipse.jetty" % "jetty-webapp" % "8.1.7.v20120910" % "container",
-  "org.eclipse.jetty.orbit" % "javax.servlet" % "3.0.0.v201112011016" % "container;provided;test" artifacts (Artifact("javax.servlet", "jar", "jar")),
+  "org.eclipse.jetty" % "jetty-webapp" % "8.1.7.v20120910" % "compile,container",
+  "org.eclipse.jetty.orbit" % "javax.servlet" % "3.0.0.v201112011016" artifacts (Artifact("javax.servlet", "jar", "jar")),
   "com.cybozu.labs" % "langdetect" % "1.1-20120112",
   "commons-io" % "commons-io" % "2.0",
   "org.scalatra" % "scalatra-lift-json" % "2.1.1"
-)
\ No newline at end of file
+)
+
+// Settings for building JAR with embedded Jetty
+
+assemblySettings
+
+mainClass in AssemblyKeys.assembly := Some("com.memonews.detectr.run.AppLauncher")
+
+test in AssemblyKeys.assembly := {}
+
+// Exclude about.html which causes problems
+
+AssemblyKeys.mergeStrategy in AssemblyKeys.assembly <<= (AssemblyKeys.mergeStrategy in AssemblyKeys.assembly) { (old) =>
+  {
+    case "about.html" => MergeStrategy.discard
+    case x => old(x)
+  }
+}
+
+// Copy webapp Resources to resource directory
+
+resourceGenerators in Compile <+= (resourceManaged, baseDirectory) map {
+  (managedBase, base) =>
+    val webappBase = base / "src" / "main" / "webapp"
+    for {
+      (from, to) <- webappBase ** "*" x rebase(webappBase, managedBase /
+        "main" / "webapp")
+    } yield {
+      Sync.copy(from, to)
+      to
+    }
+}
\ No newline at end of file
diff --git a/project/plugins.sbt b/project/plugins.sbt
index 0377c60..2aee5f3 100644
--- a/project/plugins.sbt
+++ b/project/plugins.sbt
@@ -7,3 +7,5 @@ libraryDependencies <+= sbtVersion(v => v match {
 })
 
 addSbtPlugin("com.github.mpeltonen" % "sbt-idea" % "1.1.0")
+
+addSbtPlugin("com.eed3si9n" % "sbt-assembly" % "0.8.4")
diff --git a/src/main/scala/com/memonews/detectr/run/AppLauncher.scala b/src/main/scala/com/memonews/detectr/run/AppLauncher.scala
new file mode 100644
index 0000000..3764fab
--- /dev/null
+++ b/src/main/scala/com/memonews/detectr/run/AppLauncher.scala
@@ -0,0 +1,33 @@
+package com.memonews.detectr.run
+
+import org.eclipse.jetty.server.Server
+import org.eclipse.jetty.webapp.WebAppContext
+import org.slf4j.LoggerFactory
+
+object AppLauncher {
+  def main(args: Array[String]) {
+    val thisArgs = if (0 == args.size) {
+      // Default Arguments:
+      Array("8080")
+    } else args
+
+    val Array(port) = thisArgs
+
+    val server = new Server(port.toInt)
+
+    val context = getClass.getClassLoader.getResource("webapp").toExternalForm
+
+    val root = new WebAppContext(context, "/")
+
+    Runtime.getRuntime.addShutdownHook(new Thread() {
+      override def run() {
+        server.stop()
+      }
+    })
+
+    server.setHandler(root)
+    server.start()
+    server.join()
+
+  }
+}
\ No newline at end of file
-- 
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