private Object handeRootElementReplacement(
final Object proxy, final Method method, final Document document, final Object valueToSet) {
int count = document.getDocumentElement() == null ? 0 : 1;
if (valueToSet == null) {
DOMHelper.setDocumentElement(document, null);
return getProxyReturnValueForMethod(proxy, method, Integer.valueOf(count));
}
if (valueToSet instanceof Element) {
Element clone = (Element) ((Element) valueToSet).cloneNode(true);
document.adoptNode(clone);
if (document.getDocumentElement() == null) {
document.appendChild(clone);
return getProxyReturnValueForMethod(proxy, method, Integer.valueOf(1));
}
document.replaceChild(document.getDocumentElement(), clone);
return getProxyReturnValueForMethod(proxy, method, Integer.valueOf(1));
}
if (!(valueToSet instanceof DOMAccess)) {
throw new IllegalArgumentException(
"Method "
+ method
+ " was invoked as setter changing the document root element. Expected value type was a projection so I can determine a element name. But you provided a "
+ valueToSet);
}
DOMAccess projection = (DOMAccess) valueToSet;
Element element = projection.getDOMBaseElement();
assert element != null;
DOMHelper.setDocumentElement(document, element);
return getProxyReturnValueForMethod(proxy, method, Integer.valueOf(count));
}
/**
* @param typeToSet
* @param iterable
* @param parentElement
* @param duplexExpression
* @param elementSelector
*/
private int applyIterableSetOnElement(
final Iterable<?> iterable,
final Element parentElement,
final DuplexExpression duplexExpression) {
int changeCount = 0;
for (Object o : iterable) {
if (o == null) {
continue;
}
if (!isStructureChangingValue(o)) {
final Node newElement = duplexExpression.createChildWithPredicate(parentElement);
final String asString =
projector
.config()
.getStringRenderer()
.render(o.getClass(), o, duplexExpression.getExpressionFormatPattern());
newElement.setTextContent(asString);
++changeCount;
continue;
}
Element elementToAdd;
if (o instanceof Node) {
final Node n = (Node) o;
elementToAdd =
(Element)
(Node.DOCUMENT_NODE != n.getNodeType()
? n
: n.getOwnerDocument() == null
? null
: n.getOwnerDocument().getDocumentElement());
} else {
final DOMAccess p = (DOMAccess) o;
elementToAdd = p.getDOMBaseElement();
}
if (elementToAdd == null) {
continue;
}
Element clone = (Element) elementToAdd.cloneNode(true);
Element childWithPredicate =
(Element) duplexExpression.createChildWithPredicate(parentElement);
final String elementName = childWithPredicate.getNodeName();
if (!elementName.equals(clone.getNodeName())) {
if (!"*".equals(elementName)) {
clone = DOMHelper.renameElement(clone, elementName);
}
}
DOMHelper.replaceElement(childWithPredicate, clone);
++changeCount;
}
return changeCount;
}