Fix # by removing importing of sun.misc.Unsafe and assessing to it only in a try/catch block

Author: plokhotnyuk

core/src/main/scala/com/github/plokhotnyuk/jsoniter_scala/core/UnsafeUtils.scala

@@ -1,17 +1,16 @@
 package com.github.plokhotnyuk.jsoniter_scala.core
 
-import sun.misc.Unsafe
-
 import scala.util.Try
 
 // FIXME: remove when perf. degradation of String.charAt when iterating through strings will be fixed in JDK 9:
 // https://bugs.openjdk.java.net/browse/JDK-8013655
 object UnsafeUtils {
   private[this] final val (unsafe, stringValueOffset, stringCoderOffset) = Try {
     val u = {
-      val unsafeField = classOf[Unsafe].getDeclaredField("theUnsafe")
+      val unsafeClass = classOf[sun.misc.Unsafe]
+      val unsafeField = unsafeClass.getDeclaredField("theUnsafe")
       unsafeField.setAccessible(true)
-      unsafeField.get(null).asInstanceOf[Unsafe]
+      unsafeClass.cast(unsafeField.get(null))
     }
     (u,
       u.objectFieldOffset(classOf[String].getDeclaredField("value")),

core/src/test/scala/com/github/plokhotnyuk/jsoniter_scala/core/UserAPI.scala

@@ -24,7 +24,7 @@ object UserAPI {
 
     def encodeValue(x: User, out: JsonWriter): Unit = e0(x, out)
 
-    private def d2(in: JsonReader, default: Device): Device = 
+    private def d2(in: JsonReader, default: Device): Device =
       if (in.isNextToken('{')) {
         var _id: Int = 0
         var _model: String = null
@@ -34,7 +34,7 @@ object UserAPI {
           do {
             val l = in.readKeyAsCharBuf()
             (in.charBufToHashCode(l): @switch) match {
-              case 3355 => 
+              case 3355 =>
                 if (in.isCharBufEqualsTo(l, "id")) {
                   _id = in.readInt()
                   req0 &= -2
@@ -53,7 +53,7 @@ object UserAPI {
         new Device(id = _id, model = _model)
       } else in.readNullOrTokenError(default, '{')
 
-    private def d1(in: JsonReader, default: Seq[Device]): Seq[Device] = 
+    private def d1(in: JsonReader, default: Seq[Device]): Seq[Device] =
       if (in.isNextToken('[')) {
         if (in.isNextToken(']')) default
         else {
@@ -66,7 +66,7 @@ object UserAPI {
         }
       } else in.readNullOrTokenError(default, '[')
 
-    private def d0(in: JsonReader, default: User): User = 
+    private def d0(in: JsonReader, default: User): User =
       if (in.isNextToken('{')) {
         var _name: String = null
         var _devices: Seq[Device] = Seq.empty[Device]

macros/src/main/scala/com/github/plokhotnyuk/jsoniter_scala/macros/JsonCodecMaker.scala

@@ -385,7 +385,7 @@ object JsonCodecMaker {
         if (collisions.nonEmpty) {
           val formattedCollisions = collisions.mkString("'", "', '", "'")
           fail(s"Duplicated values defined for '$discriminatorFieldName': $formattedCollisions. " +
-            s"Values returned by 'config.adtLeafClassNameMapper' should not match.")
+            "Values returned by 'config.adtLeafClassNameMapper' should not match.")
         }
       }