public void exportToXML(File file) {
try {
DocumentBuilderFactory documentBuilderFactory = DocumentBuilderFactory.newInstance();
DocumentBuilder documentBuilder = documentBuilderFactory.newDocumentBuilder();
Document document = documentBuilder.newDocument();
Element rootElement = document.createElement("HGraph");
document.appendChild(rootElement);
Element elementHnodes = document.createElement("HNodes");
Element elementHedges = document.createElement("HEdges");
// write nodes
for (VisualNode v : this.getVertices()) {
// write HNode
Element elementHnode = document.createElement("HNode");
elementHnode.setAttribute("x", new Double(this.getLocation(v).getX()).toString());
elementHnode.setAttribute("y", new Double(this.getLocation(v).getY()).toString());
elementHnodes.appendChild(elementHnode);
// write element key
Element elementKey = document.createElement("Key");
elementKey.appendChild(document.createTextNode(this.getKey(v).toString()));
elementHnode.appendChild(elementKey);
// write element name
Element elementName = document.createElement("Name");
elementName.appendChild(document.createTextNode(v.getName()));
elementHnode.appendChild(elementName);
// write element type
Element elementType = document.createElement("Type");
elementType.appendChild(document.createTextNode(v.getType().toString()));
elementHnode.appendChild(elementType);
/** @author pmanousi write element key NOW IT IS NOT NEEDED (TopologicalTravel). */
// Element elementID = document.createElement("ID");
// elementID.appendChild(document.createTextNode(String.valueOf(v.ID)));
// elementHnode.appendChild(elementID);
// write element SQL Definition
if (!v.getSQLDefinition().isEmpty()) {
Element elementSQLDefinition = document.createElement("SQLDefinition");
elementSQLDefinition.appendChild(document.createTextNode(v.getSQLDefinition()));
elementHnode.appendChild(elementSQLDefinition);
}
}
rootElement.appendChild(elementHnodes);
// write edges
for (VisualEdge e : this.getEdges()) {
// write HEdge
Element elementHedge = document.createElement("HEdge");
elementHedges.appendChild(elementHedge);
// write element key
Element elementKey = document.createElement("Key");
elementKey.appendChild(document.createTextNode(this.getKey(e).toString()));
elementHedge.appendChild(elementKey);
// write element name
Element elementName = document.createElement("Name");
elementName.appendChild(document.createTextNode(e.getName()));
elementHedge.appendChild(elementName);
// write element type
Element elementType = document.createElement("Type");
elementType.appendChild(document.createTextNode(e.getType().ToString()));
elementHedge.appendChild(elementType);
// write element fromNode
Element elementFromNode = document.createElement("FromNode");
elementFromNode.appendChild(
document.createTextNode(this.getKey(e.getFromNode()).toString()));
elementHedge.appendChild(elementFromNode);
// write element toNode
Element elementToNode = document.createElement("ToNode");
elementToNode.appendChild(document.createTextNode(this.getKey(e.getToNode()).toString()));
elementHedge.appendChild(elementToNode);
// end element HEdge
}
rootElement.appendChild(elementHedges);
/* // write policies
Element elementHPolicies = document.createElement("HPolicies");
// write events
Element elementHEvents = document.createElement("HEvents");
for (VisualNode v : this.getVertices()) {
for (EvolutionPolicy<VisualNode> p: v.getPolicies()) {
//start tag HPolicy
Element elementHPolicy = document.createElement("HPolicy");
elementHPolicies.appendChild(elementHPolicy);
//write Node having the policy
Element elementHNode = document.createElement("HNode");
elementHNode.appendChild(document.createTextNode(this.getKey(v).toString()));
elementHPolicy.appendChild(elementHNode);
//write event handled by the policy
Element elementEvent = document.createElement("HEvent");
elementHPolicy.appendChild(elementEvent);
Element elementEventNode = document.createElement("HEventNode");
elementEventNode.appendChild(document.createTextNode(this.getKey(p.getSourceEvent().getEventNode()).toString()));
elementEvent.appendChild(elementEventNode);
Element elementEventType = document.createElement("HEventType");
elementEventType.appendChild(document.createTextNode(p.getSourceEvent().getEventType().toString()));
elementEvent.appendChild(elementEventType);
//write policy type
Element elementPolicyType = document.createElement("HPolicyType");
elementPolicyType.appendChild(document.createTextNode(p.getPolicyType().toString()));
elementHPolicy.appendChild(elementPolicyType);
// end element HPolicy
}
for (EvolutionEvent<VisualNode> e : v.getEvents()) {
//write element event
Element elementHEvent = document.createElement("HEvent");
elementHEvents.appendChild(elementHEvent);
//write Node having the event
Element elementHNode = document.createElement("HNode");
elementHNode.appendChild(document.createTextNode(this.getKey(v).toString()));
elementHEvent.appendChild(elementHNode);
Element elementEventNode = document.createElement("HEventNode");
elementEventNode.appendChild(document.createTextNode(this.getKey(e.getEventNode()).toString()));
elementHEvent.appendChild(elementEventNode);
Element elementEventType = document.createElement("HEventType");
elementEventType.appendChild(document.createTextNode(e.getEventType().toString()));
elementHEvent.appendChild(elementEventType);
// end element HEvent
}
}
rootElement.appendChild(elementHPolicies);
rootElement.appendChild(elementHEvents);
*/
//
Element elementHKeyGen = document.createElement("HKeyGen");
elementHKeyGen.appendChild(
document.createTextNode((new Integer(this.getKeyGenerator()).toString())));
rootElement.appendChild(elementHKeyGen);
TransformerFactory transformerFactory = TransformerFactory.newInstance();
Transformer transformer = transformerFactory.newTransformer();
DOMSource source = new DOMSource(document);
StreamResult result = new StreamResult(file);
transformer.transform(source, result);
} catch (ParserConfigurationException e) {
e.printStackTrace();
} catch (TransformerConfigurationException e) {
e.printStackTrace();
} catch (TransformerException e) {
e.printStackTrace();
}
}
