/* package */ void ensureConstraints(List<Child> children) {
Set<String> nullElements = new HashSet<String>(model.getElementNames());
for (Child child : children) {
nullElements.remove(child.name);
}
for (String s : nullElements) {
ConfigModel.Property p = model.getElement(s);
for (String annotation : p.getAnnotations()) {
if (annotation.equals(NotNull.class.getName())) {
if (p instanceof ConfigModel.Node) {
ConfigModel childModel = ((ConfigModel.Node) p).model;
Dom child = document.make(getHabitat(), null, this, childModel);
child.register();
children.add(new Dom.NodeChild(s, child));
// recursive call to ensure the children constraints are also respected
List<Child> grandChildren = new ArrayList<Child>();
child.ensureConstraints(grandChildren);
if (!grandChildren.isEmpty()) {
child.setChildren(grandChildren);
}
child.initializationCompleted();
}
}
}
}
}
/**
* Locates the DOM that serves as the symbol space root.
*
* @return always non-null.
*/
public Dom getSymbolSpaceRoot(String typeName) {
Dom dom = this;
while (!dom.model.symbolSpaces.contains(typeName)) {
Dom p = dom.parent();
if (p == null) return dom; // root
dom = p;
}
return dom;
}
/**
* Copy constructor, used to get a deep copy of the passed instance
*
* @param source the instance to copy
*/
public Dom(Dom source, Dom parent) {
this(source.getHabitat(), source.document, parent, source.model);
List<Child> newChildren = new ArrayList<Child>();
for (Child child : source.children) {
newChildren.add(child.deepCopy(this));
}
setChildren(newChildren);
attributes.putAll(source.attributes);
}
/**
* Replaces an existing {@link NodeChild} with another one.
*
* @see #insertAfter(Dom, String, Dom)
*/
public synchronized void replaceChild(Dom reference, String name, Dom newNode) {
ListIterator<Child> itr = children.listIterator();
while (itr.hasNext()) {
Child child = itr.next();
if (child instanceof NodeChild) {
NodeChild nc = (NodeChild) child;
if (nc.dom == reference) {
reference.release();
newNode.domDescriptor =
addWithAlias(getHabitat(), newNode, newNode.getProxyType(), newNode.getKey());
itr.set(new NodeChild(name, newNode));
return;
}
}
}
throw new IllegalArgumentException(
reference + " is not a valid child of " + this + ". Children=" + children);
}
/**
* Inserts a new {@link Dom} node right after the given DOM element.
*
* @param reference If null, the new element will be inserted at the very beginning.
* @param name The element name of the newly inserted item. "*" to indicate that the element name
* be determined by the model of the new node.
*/
public synchronized void insertAfter(Dom reference, String name, Dom newNode) {
// TODO: reparent newNode
if (name.equals("*")) name = newNode.model.tagName;
NodeChild newChild = new NodeChild(name, newNode);
if (children.size() == 0) {
children = new ArrayList<Child>();
}
if (reference == null) {
children.add(0, newChild);
newNode.domDescriptor =
addWithAlias(getHabitat(), newNode, newNode.getProxyType(), newNode.getKey());
return;
}
ListIterator<Child> itr = children.listIterator();
while (itr.hasNext()) {
Child child = itr.next();
if (child instanceof NodeChild) {
NodeChild nc = (NodeChild) child;
if (nc.dom == reference) {
itr.add(newChild);
newNode.domDescriptor =
addWithAlias(getHabitat(), newNode, newNode.getProxyType(), newNode.getKey());
return;
}
}
}
throw new IllegalArgumentException(
reference + " is not a valid child of " + this + ". Children=" + children);
}
/** Removes an existing {@link NodeChild} */
public synchronized void removeChild(final Dom reference) {
ListIterator<Child> itr = children.listIterator();
while (itr.hasNext()) {
Child child = itr.next();
if (child instanceof NodeChild) {
NodeChild nc = (NodeChild) child;
if (nc.dom == reference) {
itr.remove();
reference.release();
return;
}
}
}
throw new IllegalArgumentException(
reference + " is not a valid child of " + this + ". Children=" + children);
}
@Override
public String toString() {
return "Dom.NodeChild(" + dom.getImplementation() + "," + super.toString() + ")";
}
@Override
protected boolean isEmpty() {
return dom.isEmpty();
}
@Override
protected Child deepCopy(Dom parent) {
return new NodeChild(name, dom.copy(parent));
}
protected void writeTo(XMLStreamWriter w) throws XMLStreamException {
dom.writeTo(name, w);
}