formatBody function

Implementation

String? formatBody(String? body, MediaType? mediaType) {
  if (mediaType != null && body != null) {
    var subtype = mediaType.subtype;
    try {
      if (subtype.contains(kSubTypeJson)) {
        final tmp = jsonDecode(body);
        String result = kJsonEncoder.convert(tmp);
        return result;
      }
      if (subtype.contains(kSubTypeXml)) {
        final document = XmlDocument.parse(body);
        String result = document.toXmlString(pretty: true, indent: '  ');
        return result;
      }
      if (subtype == kSubTypeHtml) {
        var len = body.length;
        var lines = kSplitter.convert(body);
        var numOfLines = lines.length;
        if (numOfLines != 0 && len / numOfLines <= kCodeCharsPerLineLimit) {
          return body;
        }
      }
    } catch (e) {
      return null;
    }
  }
  return null;
}