/**
* Helper to convert a path into an indexed path which uniquely identifies a node
*
* @param nodeRef
* @param path
* @return
*/
private Path createIndexedPath(NodeRef nodeRef, Path path) {
// Add indexes for same name siblings
// TODO: Look at more efficient approach
for (int i = path.size() - 1; i >= 0; i--) {
Path.Element pathElement = path.get(i);
if (i > 0 && pathElement instanceof Path.ChildAssocElement) {
int index = 1; // for xpath index compatibility
String searchPath = path.subPath(i).toPrefixString(namespaceService);
List<NodeRef> siblings =
searchService.selectNodes(nodeRef, searchPath, null, namespaceService, false);
if (siblings.size() > 1) {
ChildAssociationRef childAssoc = ((Path.ChildAssocElement) pathElement).getRef();
NodeRef childRef = childAssoc.getChildRef();
for (NodeRef sibling : siblings) {
if (sibling.equals(childRef)) {
childAssoc.setNthSibling(index);
break;
}
index++;
}
}
}
}
return path;
}
/**
* Return relative path between from and to references within export root
*
* @param fromRef from reference
* @param toRef to reference
* @return path
*/
private Path createPath(NodeRef rootRef, NodeRef fromRef, NodeRef toRef) {
// Check that item exists first
if (!nodeService.exists(toRef)) {
// return null path
return null;
}
// Check whether item is the root node of the store
// If so, always return absolute path
if (toRef.equals(nodeService.getRootNode(toRef.getStoreRef()))) {
return nodeService.getPath(toRef);
}
// construct relative path
Path rootPath = createIndexedPath(rootRef, nodeService.getPath(rootRef));
Path fromPath = createIndexedPath(fromRef, nodeService.getPath(fromRef));
Path toPath = createIndexedPath(toRef, nodeService.getPath(toRef));
Path relativePath = null;
try {
// Determine if 'to path' is a category
// TODO: This needs to be resolved in a more appropriate manner - special support is
// required for categories.
for (int i = 0; i < toPath.size(); i++) {
Path.Element pathElement = toPath.get(i);
if (pathElement.getPrefixedString(namespaceService).equals("cm:categoryRoot")) {
Path.ChildAssocElement childPath = (Path.ChildAssocElement) pathElement;
relativePath = new Path();
relativePath.append(
new Path.ChildAssocElement(
new ChildAssociationRef(null, null, null, childPath.getRef().getParentRef())));
relativePath.append(toPath.subPath(i + 1, toPath.size() - 1));
break;
}
}
if (relativePath == null) {
// Determine if from node is relative to export tree
int i = 0;
while (i < rootPath.size()
&& i < fromPath.size()
&& rootPath.get(i).equals(fromPath.get(i))) {
i++;
}
if (i == rootPath.size()) {
// Determine if to node is relative to export tree
i = 0;
while (i < rootPath.size()
&& i < toPath.size()
&& rootPath.get(i).equals(toPath.get(i))) {
i++;
}
if (i == rootPath.size()) {
// build relative path between from and to
relativePath = new Path();
for (int p = 0; p < fromPath.size() - i; p++) {
relativePath.append(new Path.ParentElement());
}
if (i < toPath.size()) {
relativePath.append(toPath.subPath(i, toPath.size() - 1));
}
}
}
}
if (relativePath == null) {
// default to absolute path
relativePath = toPath;
}
} catch (Throwable e) {
String msg =
"Failed to determine relative path: root path="
+ rootPath
+ "; from path="
+ fromPath
+ "; to path="
+ toPath;
throw new ExporterException(msg, e);
}
return relativePath;
}