code: private boolean containsAllowedPrefix(String tpl)
  	{
  		if (whitePrefixList.isEmpty())
  			return true;
  
  		for (String i : whitePrefixList) {
  			if (tpl.startsWith(i))
  				return true;
  		}
  		return false;
  	}
docs: Checks if the input string contains prefixes from white list
  
  @param tpl
  string to check
  @return