ValidationInfo () { for (String fileName : myComponent.getFileNamesToCreate()) { if (!PathUtil.isValidFileName(fileName)) { return new ValidationInfo( PropertiesBundle.message("create.resource.bundle.file.name.for.properties.file.0.is.invalid.error", fileName)); } else { if (myDirectory.findFile(fileName) != null) { return new ValidationInfo(PropertiesBundle.message("create.resource.bundle.file.with.name.0.already.exist.error", fileName)); } } } return null; }