Misc.java 文件源码

@Override
@Nullable
public <T extends Message> T replaceMessage(@Nullable final FieldDescriptor field,
    final T message,
    final List<? extends Entry<FieldDescriptor, ? extends MessageOrBuilder>> path) {
  if (replacers.isEmpty()) {
    return null;
  }

  for (final Replacer replacer : replacers) {
    final T result = replacer.replaceMessage(field, message, path);

    if (result != null) {
      return result;
    }
  }

  return null;
}