How to use

notEmpty

method

in

jetbrains.buildServer.util.StringUtil

public static String getContentType(File file) {
 String contentType = URLConnection.guessContentTypeFromName(file.getName());
 if (StringUtil.isNotEmpty(contentType)) {
  return contentType;
 }
 if (PROBE_CONTENT_TYPE_METHOD != null && FILE_TO_PATH_METHOD != null) {
  try {
   Object result = PROBE_CONTENT_TYPE_METHOD.invoke(null, FILE_TO_PATH_METHOD.invoke(file));
   if (result instanceof String) {
    contentType = (String)result;
   }
  } catch (Exception ignored) {
  }
 }
 return StringUtil.notEmpty(contentType, DEFAULT_CONTENT_TYPE);
}