private String createQName() {
        if (prefix != null) {
            final StringBuilder sb = new StringBuilder();
            sb.append(prefix);
            sb.append(COLON);
            sb.append(localName);
            return sb.toString();
        }

        return localName;
    }
Creates a qName from the current prefix and localName.

@return A newly created qName.
stroom-pipeline/src/main/java/stroom/pipeline/xml/event/simple/StartElement.java