Code gardening

build.sbt

@@ -22,11 +22,13 @@ publishTo in ThisBuild := {
   }
 }
 scmInfo in ThisBuild   := Some(ScmInfo(url("/~https://github.com/lift/framework"), "scm:git:/~https://github.com/lift/framework.git"))
-pomExtra in ThisBuild  :=  Developers.toXml
+pomExtra in ThisBuild  := Developers.toXml
 
 credentials in ThisBuild += Credentials(BuildPaths.getGlobalSettingsDirectory(state.value, BuildPaths.getGlobalBase(state.value)) / ".credentials")
 
-initialize <<= (name, version, scalaVersion).apply(printLogo)
+initialize := {
+  printLogo(name.value, version.value, scalaVersion.value)
+}
 
 resolvers  in ThisBuild  ++= Seq(
   "snapshots"     at "https://oss.sonatype.org/content/repositories/snapshots",
@@ -161,34 +163,37 @@ lazy val webkit =
         jasmineCore,
         jasmineAjax
       ),
-      initialize in Test <<= (sourceDirectory in Test) { src =>
-        System.setProperty("net.liftweb.webapptest.src.test.webapp", (src / "webapp").absString)
+      initialize in Test := {
+        System.setProperty(
+          "net.liftweb.webapptest.src.test.webapp",
+          ((sourceDirectory in Test).value / "webapp").absString
+        )
       },
-      unmanagedSourceDirectories in Compile <+= (sourceDirectory in Compile, scalaBinaryVersion) {
-        (sourceDirectory, binaryVersion) =>
-          sourceDirectory / ("scala_" + binaryVersion)
+      unmanagedSourceDirectories in Compile += {
+        (sourceDirectory in Compile).value / ("scala_" + scalaBinaryVersion.value)
       },
-      unmanagedSourceDirectories in Test <+= (sourceDirectory in Test, scalaBinaryVersion) {
-        (sourceDirectory, binaryVersion) =>
-          sourceDirectory / ("scala_" + binaryVersion)
+      unmanagedSourceDirectories in Test += {
+        (sourceDirectory in Test).value / ("scala_" + scalaBinaryVersion.value)
       },
-      (compile in Compile) <<= (compile in Compile) dependsOn (WebKeys.assets),
+      compile in Compile := (compile in Compile).dependsOn(WebKeys.assets).value,
       /**
         * This is to ensure that the tests in net.liftweb.webapptest run last
         * so that other tests (MenuSpec in particular) run before the SiteMap
         * is set.
         */
-      testGrouping in Test <<= (definedTests in Test).map { tests =>
-        import Tests._
+      testGrouping in Test := {
+        (definedTests in Test).map { tests =>
+          import Tests._
 
-        val (webapptests, others) = tests.partition { test =>
-          test.name.startsWith("net.liftweb.webapptest")
-        }
+          val (webapptests, others) = tests.partition { test =>
+            test.name.startsWith("net.liftweb.webapptest")
+          }
 
-        Seq(
-          new Group("others", others, InProcess),
-          new Group("webapptests", webapptests, InProcess)
-        )
+          Seq(
+            new Group("others", others, InProcess),
+            new Group("webapptests", webapptests, InProcess)
+          )
+        }.value
       },
 
       scalacOptions in (Compile, doc) ++= {
@@ -223,8 +228,11 @@ lazy val mapper =
       description := "Mapper Library",
       parallelExecution in Test := false,
       libraryDependencies ++= Seq(h2, derby),
-      initialize in Test <<= (crossTarget in Test) { ct =>
-        System.setProperty("derby.stream.error.file", (ct / "derby.log").absolutePath)
+      initialize in Test := {
+        System.setProperty(
+          "derby.stream.error.file",
+          ((crossTarget in Test).value / "derby.log").absolutePath
+        )
       }
     )
 
@@ -243,8 +251,11 @@ lazy val mongodb =
     .settings(
       parallelExecution in Test := false,
       libraryDependencies ++= Seq(mongo_java_driver, mongo_java_driver_async),
-      initialize in Test <<= (resourceDirectory in Test) { rd =>
-        System.setProperty("java.util.logging.config.file", (rd / "logging.properties").absolutePath)
+      initialize in Test := {
+        System.setProperty(
+          "java.util.logging.config.file",
+          ((resourceDirectory in Test).value / "logging.properties").absolutePath
+        )
       }
     )
 

persistence/mongodb-record/src/main/scala/net/liftweb/mongodb/record/BsonRecord.scala

@@ -1,5 +1,5 @@
 /*
- * Copyright 2011-2013 WorldWide Conferencing, LLC
+ * Copyright 2011-2018 WorldWide Conferencing, LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -21,7 +21,7 @@ package record
 import common._
 
 import java.util.regex.Pattern
-import scala.collection.JavaConversions._
+import scala.collection.JavaConverters._
 
 import net.liftweb.record.{Field, MetaRecord, Record}
 import net.liftweb.record.field._
@@ -155,7 +155,7 @@ trait BsonMetaRecord[BaseRecord <: BsonRecord[BaseRecord]] extends MetaRecord[Ba
     * @return Unit
     */
   def setFieldsFromDBObject(inst: BaseRecord, dbo: DBObject): Unit = {
-    for (k <- dbo.keySet; field <- inst.fieldByName(k.toString)) {
+    for (k <- dbo.keySet.asScala; field <- inst.fieldByName(k.toString)) {
       field.setFromAny(dbo.get(k.toString))
     }
     inst.runSafe {
@@ -164,7 +164,7 @@ trait BsonMetaRecord[BaseRecord <: BsonRecord[BaseRecord]] extends MetaRecord[Ba
   }
 
   def setFieldsFromDocument(inst: BaseRecord, doc: Document): Unit = {
-    for (k <- doc.keySet; field <- inst.fieldByName(k.toString)) {
+    for (k <- doc.keySet.asScala; field <- inst.fieldByName(k.toString)) {
       field.setFromAny(doc.get(k.toString))
     }
     inst.runSafe {

persistence/mongodb-record/src/main/scala/net/liftweb/mongodb/record/MongoMetaRecord.scala

@@ -1,5 +1,5 @@
 /*
- * Copyright 2010-2017 WorldWide Conferencing, LLC
+ * Copyright 2010-2018 WorldWide Conferencing, LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -30,7 +30,7 @@ import net.liftweb.record.MandatoryTypedField
 import org.bson.Document
 import org.bson.types.ObjectId
 
-import scala.collection.JavaConversions._
+import scala.collection.JavaConverters._
 import scala.concurrent.{Future, Promise}
 
 trait MongoMetaRecord[BaseRecord <: MongoRecord[BaseRecord]]
@@ -149,7 +149,7 @@ trait MongoMetaRecord[BaseRecord <: MongoRecord[BaseRecord]]
     /** Mongo Cursors are both Iterable and Iterator,
       * so we need to reduce ambiguity for implicits
       */
-    (coll.find: Iterator[DBObject]).map(fromDBObject).toList
+    coll.find.iterator.asScala.map(fromDBObject).toList
   }
 
   /**
@@ -177,7 +177,7 @@ trait MongoMetaRecord[BaseRecord <: MongoRecord[BaseRecord]]
       )
       sort.foreach(s => cur.sort(s))
       // This retrieves all documents and puts them in memory.
-      (cur: Iterator[DBObject]).map(fromDBObject).toList
+      cur.iterator.asScala.map(fromDBObject).toList
     }
   }
 

persistence/mongodb-record/src/main/scala/net/liftweb/mongodb/record/field/MongoMapField.scala

@@ -1,5 +1,5 @@
 /*
- * Copyright 2010-2017 WorldWide Conferencing, LLC
+ * Copyright 2010-2018 WorldWide Conferencing, LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -19,6 +19,7 @@ package mongodb
 package record
 package field
 
+import scala.collection.JavaConverters._
 import scala.xml.NodeSeq
 
 import net.liftweb.common.{Box, Empty, Failure, Full}
@@ -101,18 +102,15 @@ class MongoMapField[OwnerType <: BsonRecord[OwnerType], MapValueType](rec: Owner
 
   // set this field's value using a DBObject returned from Mongo.
   def setFromDBObject(dbo: DBObject): Box[Map[String, MapValueType]] = {
-    import scala.collection.JavaConversions._
-
     setBox(Full(
-      Map() ++ dbo.keySet.map {
+      Map() ++ dbo.keySet.asScala.map {
         k => (k.toString, dbo.get(k).asInstanceOf[MapValueType])
       }
     ))
   }
 
   // set this field's value using a bson.Document returned from Mongo.
   def setFromDocument(doc: Document): Box[Map[String, MapValueType]] = {
-    import scala.collection.JavaConverters._
     val map: Map[String, MapValueType] = doc.asScala.map {
       case (k, v) => k -> v.asInstanceOf[MapValueType]
     } (scala.collection.breakOut)

persistence/mongodb/src/main/scala/net/liftweb/mongodb/JObjectParser.scala

@@ -1,5 +1,5 @@
 /*
- * Copyright 2010-2011 WorldWide Conferencing, LLC
+ * Copyright 2010-2018 WorldWide Conferencing, LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -17,7 +17,7 @@
 package net.liftweb
 package mongodb
 
-import scala.collection.JavaConversions._
+import scala.collection.JavaConverters._
 
 import java.util.{Date, UUID}
 import java.util.regex.Pattern
@@ -60,14 +60,14 @@ object JObjectParser extends SimpleInjector {
       case x if primitive_?(x.getClass) => primitive2jvalue(x)
       case x if datetype_?(x.getClass) => datetype2jvalue(x)(formats)
       case x if mongotype_?(x.getClass) => mongotype2jvalue(x)(formats)
-      case x: BasicDBList => JArray(x.toList.map( x => serialize(x)(formats)))
+      case x: BasicDBList => JArray(x.asScala.toList.map( x => serialize(x)(formats)))
       case x: BasicDBObject => JObject(
-        x.keySet.toList.map { f =>
+        x.keySet.asScala.toList.map { f =>
           JField(f.toString, serialize(x.get(f.toString))(formats))
         }
       )
       case x: Document => JObject(
-        x.keySet.toList.map { f =>
+        x.keySet.asScala.toList.map { f =>
           JField(f.toString, serialize(x.get(f.toString), formats))
         }
       )

persistence/mongodb/src/main/scala/net/liftweb/mongodb/Mongo.scala

@@ -1,5 +1,5 @@
 /*
- * Copyright 2010-2015 WorldWide Conferencing, LLC
+ * Copyright 2010-2018 WorldWide Conferencing, LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -122,8 +122,8 @@ object MongoDB {
     * Calls close on each MongoClient instance and clears the HashMap.
     */
   def closeAll(): Unit = {
-    import scala.collection.JavaConversions._
-    dbs.values.foreach { case (mngo, _) =>
+    import scala.collection.JavaConverters._
+    dbs.values.asScala.foreach { case (mngo, _) =>
       mngo.close()
     }
     dbs.clear()

persistence/mongodb/src/main/scala/net/liftweb/mongodb/MongoDocument.scala

@@ -1,5 +1,5 @@
 /*
- * Copyright 2010-2011 WorldWide Conferencing, LLC
+ * Copyright 2010-2018 WorldWide Conferencing, LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -17,9 +17,10 @@
 package net.liftweb
 package mongodb
 
-import util.{ConnectionIdentifier, DefaultConnectionIdentifier}
+import net.liftweb.json.JsonAST.JObject
+import net.liftweb.util.{ConnectionIdentifier, DefaultConnectionIdentifier}
 
-import json.JsonAST.JObject
+import scala.collection.JavaConverters.asScalaIteratorConverter
 
 import java.util.UUID
 
@@ -120,22 +121,18 @@ trait MongoDocumentMeta[BaseDocument] extends JsonObjectMeta[BaseDocument] with
   * Find all documents in this collection
   */
   def findAll: List[BaseDocument] = {
-    import scala.collection.JavaConversions._
-
     MongoDB.useCollection(connectionIdentifier, collectionName)(coll => {
       /** Mongo Cursors are both Iterable and Iterator,
        * so we need to reduce ambiguity for implicits
        */
-      (coll.find: Iterator[DBObject]).map(create).toList
+      coll.find.iterator.asScala.map(create).toList
     })
   }
 
   /**
   * Find all documents using a DBObject query.
   */
   def findAll(qry: DBObject, sort: Option[DBObject], opts: FindOption*): List[BaseDocument] = {
-    import scala.collection.JavaConversions._
-
     val findOpts = opts.toList
 
     MongoDB.useCollection(connectionIdentifier, collectionName) ( coll => {
@@ -148,7 +145,7 @@ trait MongoDocumentMeta[BaseDocument] extends JsonObjectMeta[BaseDocument] with
       /** Mongo Cursors are both Iterable and Iterator,
        * so we need to reduce ambiguity for implicits
        */
-      (cur: Iterator[DBObject]).map(create).toList
+      cur.iterator.asScala.map(create).toList
     })
   }
 

project/Dependencies.scala

@@ -1,5 +1,5 @@
 /*
- * Copyright 2011-2015 WorldWide Conferencing, LLC
+ * Copyright 2011-2018 WorldWide Conferencing, LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.