public void export(EAPackage rootPackage, string filePath)
{
connectorSet.Clear();
depSet.Clear();
// create document with declaration
XDocument xDocument = new XDocument(new XDeclaration("1.0", "UTF-8", null));
// add element
XElement rootElment = createRootElement();
XElement element = new XElement(this.xmiNameSapce + "Documentation",
new XAttribute("exporter", "Enterprise Architect"), new XAttribute("exporterVersion", "6.5"));
xDocument.Add(rootElment);
rootElment.Add(element);
XElement modelElement = new XElement(this.umlNameSapce + "Model",
new XAttribute(this.xmiNameSapce + "type", "Enterprise Architect"), new XAttribute("name", "EA_Model"));
rootElment.Add(modelElement);
initDocumentWithPackage(modelElement, rootPackage);
XElement extendElement = new XElement(this.xmiNameSapce + "Extension",
new XAttribute("extender", "Enterprise Architect"), new XAttribute("extenderID", "6.5"));
rootElment.Add(extendElement);
XElement xmlEles = new XElement("elements");
XElement xmlCon = new XElement("connectors");
XElement xmlPrim = new XElement("primitivetypes");
XElement xmlDia = new XElement("diagrams");
extendElement.Add(xmlEles);
extendElement.Add(xmlCon);
extendElement.Add(xmlPrim);
extendElement.Add(xmlDia);
addExtension(xmlEles, xmlCon, xmlPrim, xmlDia, rootPackage.EaPackage);
// Encrypt and save
AESHelper.encryptXML(xDocument, filePath);
// save element
// xDocument.Save(filePath);
}