@Override
    public void endPrefixMapping(String prefix) throws SAXException {
        try {
            handler.endPrefixMapping(prefix);
        } catch (SAXException e) {
            handleException(e);
        }
    }
Sets the underlying content handler. All future SAX events will be
directed to this handler instead of the one that was previously used.

@param handler content handler
tika-core/src/main/java/org/apache/tika/sax/ContentHandlerDecorator.java