disable rename original during extract class if original is anonymous

(EA-82661 - IAE: PsiImplUtil.setName)

java/java-impl/src/com/intellij/refactoring/extractSuperclass/JavaExtractSuperBaseDialog.java

@@ -126,6 +126,11 @@ public abstract class JavaExtractSuperBaseDialog extends ExtractSuperBaseDialog<
     return directories[0];
   }
 
+  @Override
+  protected boolean isPossibleToRenameOriginal() {
+    //disable for anonymous classes
+    return mySourceClass.getNameIdentifier() != null;
+  }
 
   @Override
   protected void preparePackage() throws OperationFailedException {

platform/lang-impl/src/com/intellij/refactoring/extractSuperclass/ExtractSuperBaseDialog.java

@@ -132,6 +132,7 @@ public abstract class ExtractSuperBaseDialog<ClassType extends PsiElement, Membe
     myRbExtractSuperclass.setText(RefactoringBundle.message("extractSuper.extract", s));
     myRbExtractSubclass = new JRadioButton();
     myRbExtractSubclass.setText(RefactoringBundle.message("extractSuper.rename.original.class", s));
+    myRbExtractSubclass.setEnabled(isPossibleToRenameOriginal());
     box.add(myRbExtractSuperclass);
     box.add(myRbExtractSubclass);
     box.add(Box.createHorizontalGlue());
@@ -152,6 +153,10 @@ public abstract class ExtractSuperBaseDialog<ClassType extends PsiElement, Membe
     return box;
   }
 
+  protected boolean isPossibleToRenameOriginal() {
+    return true;
+  }
+
   protected void customizeRadiobuttons(Box box, ButtonGroup buttonGroup) {
   }