addTextIfAny(xhtml, "footer", extractor.getFooterText());
} else if ("PowerPoint Document".equals(name)) {
setType(metadata, "application/vnd.ms-powerpoint");
PowerPointExtractor extractor =
new PowerPointExtractor(filesystem);
xhtml.element("p", extractor.getText(true, true));
} else if ("Workbook".equals(name)) {
setType(metadata, "application/vnd.ms-excel");
Locale locale = context.get(Locale.class, Locale.getDefault());
new ExcelExtractor().parse(filesystem, xhtml, locale);
} else if ("VisioDocument".equals(name)) {