@Override
    public void getXHTML(ContentHandler handler, Metadata metadata, ParseContext context)
            throws SAXException, XmlException, IOException, TikaException {

        this.metadata = metadata;
        this.parseContext = context;
        metadata.set(Office.PROTECTED_WORKSHEET, "false");

        super.getXHTML(handler, metadata, context);
    }
Allows access to headers/footers from raw xml strings
tika-parsers/tika-parsers-standard/tika-parsers-standard-modules/tika-parser-microsoft-module/src/main/java/org/apache/tika/parser/microsoft/ooxml/XSSFExcelExtractorDecorator.java