public String getFormattedMessage(String key, Object[] args, String defaultString) {
        if (tnls != null)
            return tnls.getFormattedMessage(key, args, defaultString);

        return defaultString;
    }
public String getFormattedMessage ( String key , Object [ ] args , String defaultString ) { if ( tnls != null ) return tnls . getFormattedMessage ( key , args , defaultString ) ; return defaultString ; }
Look for a translated message using the input key. If it is not found, then
the provided default string is returned.

@param key
@param args
@param defaultString
@return String