}
@Override
public void startNode(NodeInfo nodeInfo, List<PropInfo> propInfos)
throws RepositoryException {
Tree parent = parents.peek();
Tree tree = null;
String id = nodeInfo.getUUID();
String nodeName = nodeInfo.getName();
String ntName = nodeInfo.getPrimaryTypeName();
if (parent == null) {
log.debug("Skipping node: " + nodeName);
// parent node was skipped, skip this child node too
parents.push(null); // push null onto stack for skipped node
// notify the p-i-importer
if (pnImporter != null) {
pnImporter.startChildInfo(nodeInfo, propInfos);
}
return;
}
NodeDefinition parentDef = getDefinition(parent);
if (parentDef.isProtected()) {
// skip protected node
parents.push(null);
log.debug("Skipping protected node: " + nodeName);
if (pnImporter != null) {
// pnImporter was already started (current nodeInfo is a sibling)
// notify it about this child node.
pnImporter.startChildInfo(nodeInfo, propInfos);
} else {
// no importer defined yet:
// test if there is a ProtectedNodeImporter among the configured
// importers that can handle this.
// if there is one, notify the ProtectedNodeImporter about the
// start of a item tree that is protected by this parent. If it
// potentially is able to deal with it, notify it about the child node.
for (ProtectedItemImporter pni : pItemImporters) {
if (pni instanceof ProtectedNodeImporter && ((ProtectedNodeImporter) pni).start(parent)) {
log.debug("Protected node -> delegated to ProtectedNodeImporter");
pnImporter = (ProtectedNodeImporter) pni;
pnImporter.startChildInfo(nodeInfo, propInfos);
break;
} /* else: p-i-Importer isn't able to deal with the protected tree.
try next. and if none can handle the passed parent the
tree below will be skipped */
}
}
return;
}
if (parent.hasChild(nodeName)) {
// a node with that name already exists...
Tree existing = parent.getChild(nodeName);
NodeDefinition def = getDefinition(existing);
if (!def.allowsSameNameSiblings()) {
// existing doesn't allow same-name siblings,
// check for potential conflicts
if (def.isProtected() && isNodeType(existing, ntName)) {
/*
use the existing node as parent for the possible subsequent
import of a protected tree, that the protected node importer
may or may not be able to deal with.
-> upon the next 'startNode' the check for the parent being
protected will notify the protected node importer.
-> if the importer is able to deal with that node it needs
to care of the complete subtree until it is notified
during the 'endNode' call.
-> if the import can't deal with that node or if that node
is the a leaf in the tree to be imported 'end' will
not have an effect on the importer, that was never started.
*/
log.debug("Skipping protected node: " + existing);
parents.push(existing);
return;
}
if (def.isAutoCreated() && isNodeType(existing, ntName)) {
// this node has already been auto-created, no need to create it
tree = existing;
} else {
// edge case: colliding node does have same uuid
// (see http://issues.apache.org/jira/browse/JCR-1128)
String existingIdentifier = IdentifierManager.getIdentifier(existing);
if (!(existingIdentifier.equals(id)
&& (uuidBehavior == ImportUUIDBehavior.IMPORT_UUID_COLLISION_REMOVE_EXISTING
|| uuidBehavior == ImportUUIDBehavior.IMPORT_UUID_COLLISION_REPLACE_EXISTING))) {
throw new ItemExistsException(
"Node with the same UUID exists:" + existing);
}
// fall through
}
}
}
if (tree == null) {
// create node
if (id == null) {
// no potential uuid conflict, always add new node
tree = createTree(parent, nodeInfo, id);
} else {
//1. First check from base state that tree corresponding to
//this id exist
Tree conflicting = baseStateIdManager.getTree(id);
if(conflicting == null){
//1.a. Check if id is found in newly created nodes
if(uuids.contains(id)){
conflicting = currentStateIdManager.getTree(id);
}
}else{
//1.b Re obtain the conflicting tree from Id Manager
//associated with current root. Such that any operation
//on it gets reflected in later operations
//In case a tree with same id was removed earlier then it
//would return null
conflicting = currentStateIdManager.getTree(id);
}
// resolve conflict if there is one or force
// conflict resolution when behavior is IMPORT_UUID_CREATE_NEW.
// the latter will always create a new UUID even if no
// conflicting node exists. see OAK-1244
if ((conflicting != null && conflicting.exists())
|| uuidBehavior == ImportUUIDBehavior.IMPORT_UUID_CREATE_NEW) {
// resolve uuid conflict
tree = resolveUUIDConflict(parent, conflicting, id, nodeInfo);
if (tree == null) {
// no new node has been created, so skip this node