private static String replaceVariables()

in core/src/main/java/org/apache/ftpserver/impl/FtpReplyTranslator.java [137:174]

33 lines of code
8 McCabe index (conditional complexity)


    private static String replaceVariables(FtpIoSession session,
        FtpRequest request, FtpServerContext context, int code,
        String basicMsg, String str) {

        int startIndex = 0;
        int openIndex = str.indexOf('{', startIndex);
        if (openIndex == -1) {
            return str;
        }

        int closeIndex = str.indexOf('}', startIndex);
        if ((closeIndex == -1) || (openIndex > closeIndex)) {
            return str;
        }

        StringBuilder sb = new StringBuilder(128);
        sb.append(str.substring(startIndex, openIndex));
        while (true) {
            String varName = str.substring(openIndex + 1, closeIndex);
            sb.append(getVariableValue(session, request, context, code,
                basicMsg, varName));

            startIndex = closeIndex + 1;
            openIndex = str.indexOf('{', startIndex);
            if (openIndex == -1) {
                sb.append(str.substring(startIndex));
                break;
            }

            closeIndex = str.indexOf('}', startIndex);
            if ((closeIndex == -1) || (openIndex > closeIndex)) {
                sb.append(str.substring(startIndex));
                break;
            }
            sb.append(str.substring(startIndex, openIndex));
        }
        return sb.toString();
    }