/**
* Saves this memento's document current values to the specified writer.
*
* @param writer the writer used to save the memento's document
* @throws IOException if there is a problem serializing the document to the stream.
*/
public void save(Writer writer) throws IOException {
DOMWriter out = new DOMWriter(writer);
try {
out.print(element);
} finally {
out.close();
}
}
/**
* Test whether this object model recognizes a particular kind of JAXP Result object, and if it
* does, return a Receiver that builds an instance of this data model from a sequence of events.
* If the Result is not recognised, return null.
*/
public Receiver getDocumentBuilder(Result result) throws XPathException {
if (result instanceof DOMResult) {
DOMWriter emitter = new DOMWriter();
Node root = ((DOMResult) result).getNode();
if (root == null) {
try {
DocumentBuilderFactory dfactory = DocumentBuilderFactory.newInstance();
DocumentBuilder docBuilder = dfactory.newDocumentBuilder();
Document out = docBuilder.newDocument();
((DOMResult) result).setNode(out);
emitter.setNode(out);
} catch (ParserConfigurationException e) {
throw new DynamicError(e);
}
} else {
emitter.setNode(root);
}
return emitter;
}
return null;
}
public String toString() {
return dw.writeToString(docElt);
}
