boolean () { String qName = myTargetPackage.getQualifiedName(); if (!StringUtil.isEmpty(qName)) { PsiNameHelper helper = PsiNameHelper.getInstance(myProject); if (!helper.isQualifiedName(qName)) { Messages.showMessageDialog(myProject, JavaRefactoringBundle.message("invalid.target.package.name.specified"), JavaRefactoringBundle.message("move.classes.invalid.package.name.warning.message"), Messages.getErrorIcon()); return false; } } return true; }