src/main/java/org/fcrepo/mint/HttpPidMinter.java
protected String responseToPid( final String responseText ) throws IOException {
        LOGGER.debug("responseToPid({})", responseText);
        if ( !isBlank(regex) ) {
            return responseText.replaceFirst(regex,"");
        } else if ( xpath != null ) {
            try {
                return xpath( responseText, xpath );
            } catch (ParserConfigurationException | SAXException | XPathExpressionException e) {
                throw new IOException(e);
            }
        } else {
            return responseText;
        }
    }
protected String responseToPid( final String responseText ) throws IOException {
        LOGGER.debug("responseToPid({})", responseText);
        if ( !isBlank(regex) ) {
            return responseText.replaceFirst(regex,"");
        } else if ( xpath != null ) {
            try {
                return xpath( responseText, xpath );
            } catch (ParserConfigurationException | SAXException | XPathExpressionException e) {
                throw new IOException(e);
            }
        } else {
            return responseText;
        }
    }
Remove unwanted text from the minter service response to produce the desired identifier.
Override this method for processing more complex than a simple regex replacement.
@param responseText the response text
@throws IOException if exception occurred
@return the response