1 files changed, 36 insertions, 0 deletions
diff --git a/java/typeMigration/src/com/intellij/refactoring/typeMigration/rules/ElementToArrayConversionRule.java b/java/typeMigration/src/com/intellij/refactoring/typeMigration/rules/ElementToArrayConversionRule.java
new file mode 100644
index 000000000000..0d25df778bcc
--- /dev/null
+++ b/java/typeMigration/src/com/intellij/refactoring/typeMigration/rules/ElementToArrayConversionRule.java
@@ -0,0 +1,36 @@
+/*
+ * User: anna
+ * Date: 25-Aug-2008
+ */
+package com.intellij.refactoring.typeMigration.rules;
+
+import com.intellij.psi.*;
+import com.intellij.psi.util.PsiUtil;
+import com.intellij.psi.util.TypeConversionUtil;
+import com.intellij.refactoring.typeMigration.TypeConversionDescriptor;
+import com.intellij.refactoring.typeMigration.TypeConversionDescriptorBase;
+import com.intellij.refactoring.typeMigration.TypeMigrationLabeler;
+
+public class ElementToArrayConversionRule extends TypeConversionRule{
+  public TypeConversionDescriptorBase findConversion(final PsiType from, final PsiType to, final PsiMember member, final PsiExpression context,
+                                                 final TypeMigrationLabeler labeler) {
+    if (member == null && to instanceof PsiArrayType && TypeConversionUtil.isAssignable(((PsiArrayType)to).getComponentType(), from)) {
+      TypeConversionDescriptor wrapDescription =
+        new TypeConversionDescriptor("$qualifier$", "new " + from.getCanonicalText() + "[]{$qualifier$}", context);
+      if (((PsiArrayType)to).getComponentType() instanceof PsiClassType && from instanceof PsiPrimitiveType) {
+        final String boxedTypeName = ((PsiPrimitiveType)from).getBoxedTypeName();
+        final String normalizedArrayInitializer =
+          PsiUtil.isLanguageLevel5OrHigher(context) ? "$qualifier$" : boxedTypeName + ".valueOf($qualifier$)";
+        wrapDescription = new TypeConversionDescriptor("$qualifier$", "new " + boxedTypeName + "[]{" + normalizedArrayInitializer + "}", context);
+      }
+      final PsiElement parent = context.getParent();
+      if ((context instanceof PsiLiteralExpression || context instanceof PsiReferenceExpression) && parent instanceof PsiStatement) {
+        return wrapDescription;
+      }
+      if (parent instanceof PsiAssignmentExpression && ((PsiAssignmentExpression)parent).getRExpression() == context) {
+        return wrapDescription;
+      }
+    }
+    return null;
+  }
+}
+\ No newline at end of file