Implement the rule for “import JavaConverters._”

Author: julienrf

input/src/main/scala/fix/ConvertersTest.scala

@@ -0,0 +1,13 @@
+/*
+rule = "scala:fix.Collectionstrawman_v0"
+ */
+package fix
+
+import collection.JavaConverters._
+
+class ConvertersTest {
+  def foo(xs: java.util.List[Int]): List[Int] = xs.asScala.toList
+  def bar(xs: java.util.Map[Int, String]): Map[Int, String] = xs.asScala.toMap
+  def baz(xs: List[Int]): java.util.List[Int] = xs.asJava
+  def bah(xs: Map[Int, String]): java.util.Map[Int, String] = xs.asJava
+}

output/src/main/scala/fix/ConvertersTest.scala

@@ -0,0 +1,11 @@
+package fix
+
+import strawman.collection.JavaConverters._
+import strawman.collection.immutable.{ List, Map }
+
+class ConvertersTest {
+  def foo(xs: java.util.List[Int]): List[Int] = xs.asScala.toList
+  def bar(xs: java.util.Map[Int, String]): Map[Int, String] = xs.asScala.toMap
+  def baz(xs: List[Int]): java.util.List[Int] = xs.asJava
+  def bah(xs: Map[Int, String]): java.util.Map[Int, String] = xs.asJava
+}

rules/src/main/scala/fix/Collectionstrawman_v0.scala

@@ -180,11 +180,19 @@ case class Collectionstrawman_v0(index: SemanticdbIndex)
         removeTokensPatch + replaceCommasPatch
     }.asPatch
 
+  def replaceJavaConverters(ctx: RuleCtx): Patch = {
+    ctx.tree.collect {
+      case Import(List(importer)) if importer.syntax.containsSlice("collection.JavaConverters._") =>
+        ctx.replaceTree(importer, "strawman.collection.JavaConverters._")
+    }.asPatch
+  }
+
   override def fix(ctx: RuleCtx): Patch = {
     replaceToList(ctx) +
       replaceSymbols(ctx) +
       replaceExtensionMethods(ctx) +
       replaceRange(ctx) +
-      replaceTupleZipped(ctx)
+      replaceTupleZipped(ctx) +
+      replaceJavaConverters(ctx)
   }
 }