@Override
        public void setDocumentLocator(final Locator locator) {
//            LOGGER.info("setDocumentLocator() called");
            this.locator = locator;
        }
@param input The string to extract the range from
@param from  Inclusive
@param to    Inclusive
@return The extracted string
stroom-pipeline/src/test/java/stroom/pipeline/xml/converter/ds3/TestDS3.java