@Override
    public void startElement(final String uri, final String localName, final String qName, final Attributes atts)
            throws SAXException {
        content.clear();
        super.startElement(uri, localName, qName, atts);
    }
Sets the locator to use when reporting errors.

@param locator The locator to use.
stroom-search/stroom-search-extraction/src/main/java/stroom/search/extraction/AbstractFieldFilter.java