@Override
public void unmarshal(Element root) throws ParseException {
// attributes
NamedNodeMap attrs = root.getAttributes();
for (int i = 0; i < attrs.getLength(); i++) {
Attr attr = (Attr) attrs.item(i);
String name = attr.getName();
String value = attr.getNodeValue();
if (name.equals("version")) {
version = value;
break;
}
}
// elements
ArrayList<Element> children = (ArrayList<Element>) DOMHelp.getChildElements(root);
for (Element child : children) {
String localName = child.getLocalName();
if (localName.equals("event")) {
PremisEvent ev = new PremisEvent();
ev.unmarshal(child);
getEvent().add(ev);
} else if (localName.equals("object")) {
String typeString = child.getAttributeNS(NS.XSI.ns(), "type").replaceAll("^\\w+:", "");
PremisObjectType type = PremisObject.PremisObjectType.valueOf(typeString);
if (type == null) {
continue;
}
PremisObject obj = new PremisObject(type);
obj.unmarshal(child);
getObject().add(obj);
} else if (localName.equals("agent")) {
PremisAgent agent = new PremisAgent();
agent.unmarshal(child);
getAgent().add(agent);
} else if (localName.equals("rights")) {
PremisRights r = new PremisRights();
r.unmarshal(child);
getRights().add(r);
}
}
}
@Override
public void marshal(Element root, Document doc) {
// set up namespace declarations and schema references
root.setAttributeNS(NS.XMLNS.ns(), "xmlns:premis", NS.PREMIS.ns());
root.setAttributeNS(NS.XMLNS.ns(), "xmlns:xlink", NS.XLINK.ns());
root.setAttributeNS(NS.XMLNS.ns(), "xmlns:xsi", NS.XSI.ns());
root.setAttributeNS(NS.XSI.ns(), "xsi:schemaLocation", NS.PREMIS.schemaLoc());
if (version != null && !version.isEmpty()) {
root.setAttribute("version", version);
} else {
root.setAttribute("version", "2.2");
}
// sequence is important!
for (PremisObject object : getObject()) {
Element objectE = doc.createElementNS(NS.PREMIS.ns(), "premis:object");
object.marshal(objectE, doc);
root.appendChild(objectE);
}
for (PremisEvent event : getEvent()) {
Element eventE = doc.createElementNS(NS.PREMIS.ns(), "premis:event");
event.marshal(eventE, doc);
root.appendChild(eventE);
}
for (PremisAgent agent : getAgent()) {
Element agentE = doc.createElementNS(NS.PREMIS.ns(), "premis:agent");
agent.marshal(agentE, doc);
root.appendChild(agentE);
}
for (PremisRights rights : getRights()) {
Element rightsE = doc.createElementNS(NS.PREMIS.ns(), "premis:rights");
rights.marshal(rightsE, doc);
root.appendChild(rightsE);
}
}