private void parseConfiguration(String opName) throws SalesforceUIException{
try {
//this will parse configuration only if Config Handler has not been intialized before
operationOMElement = ConfigHandler.getInstance().parse(opName);
} catch (FileNotFoundException e) {
throw new SalesforceUIException("Unable to find UI Configuration File",e);
} catch (XMLStreamException e) {
throw new SalesforceUIException("Error parsing UI Configuration File",e);
} catch (JaxenException e) {
throw new SalesforceUIException("Unable to parse UI Config for operation artifact " + opName,e);
}
}