final DocumentBuilderFactory docfactory = DocumentBuilderFactory.newInstance();
//Have it non-validating
docfactory.setValidating(false);
parser= docfactory.newDocumentBuilder();
//SGP Changing Resolver to enable Reading through cache
parser.setEntityResolver(new JetspeedXMLEntityResolver() );
url = this.getPortletConfig().getURL();
String content = JetspeedDiskCache.getInstance().getEntry( url ).getData();
InputSource is = new InputSource( this.cleanse( content ) );