* Capture config information
* @throw DiagnosticException
*/
public Data capture() throws DiagnosticException {
WritableDataImpl dataObj = new WritableDataImpl();
dataObj.addChild(super.captureXMLFile(EEConstants.DOMAIN_XML));
dataObj.addChild(super.captureFile(EEConstants.SERVER_POLICY));
dataObj.addChild(super.captureFile(EEConstants.LOGIN_CONF));
dataObj.addChild(super.captureFile(EEConstants.NODEAGENT_DAS_PROPERTIES));
dataObj.addChild(super.captureFile(EEConstants.NODEAGENT_PROPERTIES));