New J2K: Add boxed types support to PrimitiveTypesInitializersConversion

j2k/newSrc/org/jetbrains/kotlin/j2k/conversions/PrimitiveTypesInitializersConversion.kt

@@ -13,10 +13,13 @@ import org.jetbrains.kotlin.j2k.tree.impl.*
 
 class PrimitiveTypesInitializersConversion(private val context: ConversionContext) : RecursiveApplicableConversionBase() {
     override fun applyToElement(element: JKTreeElement): JKTreeElement {
-        if (element !is JKJavaField) return recurse(element)
+        if (element !is JKVariable) return recurse(element)
         val literalInitializer = element.initializer as? JKJavaLiteralExpression ?: return recurse(element)
-        val literalType = literalInitializer.type.toPrimitiveType() ?: return recurse(element)
-        val fieldType = element.type.type as? JKJavaPrimitiveType ?: return recurse(element)
+        val literalType = literalInitializer.type.toPrimitiveType()
+            ?: return recurse(element)
+        val fieldType = element.type.type as? JKJavaPrimitiveType
+            ?: (element.type.type as? JKClassType)?.toPrimitiveType()
+            ?: return recurse(element)
 
         createPrimitiveTypeInitializer(literalInitializer.copyTreeAndDetach(), literalType, fieldType)?.also {
             element.initializer = it

j2k/newSrc/org/jetbrains/kotlin/j2k/tree/types.kt

@@ -189,6 +189,18 @@ fun JKJavaPrimitiveType.toLiteralType(): JKLiteralExpression.LiteralType? =
         else -> null
     }
 
+fun JKClassType.toPrimitiveType(): JKJavaPrimitiveType? =
+    when (classReference.fqName) {
+        "java.lang.Character" -> JKJavaPrimitiveTypeImpl.CHAR
+        "java.lang.Boolean" -> JKJavaPrimitiveTypeImpl.BOOLEAN
+        "java.lang.Integer" -> JKJavaPrimitiveTypeImpl.INT
+        "java.lang.Long" -> JKJavaPrimitiveTypeImpl.LONG
+        "java.lang.Float" -> JKJavaPrimitiveTypeImpl.FLOAT
+        "java.lang.Double" -> JKJavaPrimitiveTypeImpl.DOUBLE
+        "java.lang.Byte" -> JKJavaPrimitiveTypeImpl.BYTE
+        else -> null
+    }
+
 fun JKJavaPrimitiveType.isNumberType() =
     this == JKJavaPrimitiveTypeImpl.INT ||
             this == JKJavaPrimitiveTypeImpl.LONG ||

j2k/testData/fileOrElement/class/anonymousClass.java

@@ -6,7 +6,7 @@ public class Test {
     private Listener listener = new Listener() {
         @Override
         public void onChange(int visibility) {
-            val a = (visibility & 1)
+            int a = (visibility & 1)
         }
     }
 }

j2k/testData/fileOrElement/class/anonymousClass.kt

@@ -1,6 +1,6 @@
 package test
 
-import javaApi.*
+import javaApi.Listener
 
 class Test {
     private val listener = Listener { visibility -> val a = visibility and 1 }