@Override
    public void setDocumentLocator(Locator locator) {
        handler.setDocumentLocator(locator);
    }
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