HttpHeadersTest.java 文件源码

private static String upperToHttpHeaderName(
    String constantName,
    ImmutableBiMap<String, String> specialCases,
    ImmutableSet<String> uppercaseAcronyms) {
  if (specialCases.containsKey(constantName)) {
    return specialCases.get(constantName);
  }
  List<String> parts = Lists.newArrayList();
  for (String part : SPLITTER.split(constantName)) {
    if (!uppercaseAcronyms.contains(part)) {
      part = part.charAt(0) + Ascii.toLowerCase(part.substring(1));
    }
    parts.add(part);
  }
  return JOINER.join(parts);
}