private def hasConflictingClassName()

in codegen/src/main/scala/org/apache/pekko/grpc/gen/javadsl/Service.scala [76:98]

• 20 lines of code
• 7 McCabe index (conditional complexity)

  private def hasConflictingClassName(d: FileDescriptor, className: String): Boolean =
    d.findServiceByName(className) != null ||
    d.findMessageTypeByName(className) != null ||
    d.findEnumTypeByName(className) != null

  private[javadsl] def protoName(t: FileDescriptor) =
    t.getName.replaceAll("\\.proto", "").split("/").last

  private[javadsl] def toCamelCase(name: String): String =
    if (name.isEmpty) ""
    else toCamelCaseRec(name, 0, new StringBuilder(name.length), true)

  @tailrec
  private def toCamelCaseRec(in: String, idx: Int, out: StringBuilder, capNext: Boolean): String = {
    if (idx >= in.length) out.toString
    else {
      val head = in.charAt(idx)
      if (head.isLetter)
        toCamelCaseRec(in, idx + 1, out.append(if (capNext) head.toUpper else head), false)
      else
        toCamelCaseRec(in, idx + 1, if (head.isDigit) out.append(head) else out, true)
    }
  }