private NodeRef findOrCreateTree(final String treePath, final FeatureType type) {
RevTree tree =
context
.command(FindOrCreateSubtree.class)
.setChildPath(treePath)
.setIndex(true)
.setParent(workHead)
.setParentPath(NodeRef.ROOT)
.call();
ObjectId metadataId = ObjectId.NULL;
if (type != null) {
RevFeatureType revFeatureType = RevFeatureTypeImpl.build(type);
if (tree.isEmpty()) {
indexDatabase.put(revFeatureType);
}
metadataId = revFeatureType.getId();
}
Envelope bounds = SpatialOps.boundsOf(tree);
Node node =
Node.create(NodeRef.nodeFromPath(treePath), tree.getId(), metadataId, TYPE.TREE, bounds);
String parentPath = NodeRef.parentPath(treePath);
return new NodeRef(node, parentPath, ObjectId.NULL);
}
/**
* Runs the command and builds the appropriate response
*
* @param context - the context to use for this command
* @throws CommandSpecException
*/
@Override
public void run(CommandContext context) {
if (oldRefSpec == null || oldRefSpec.trim().isEmpty()) {
throw new CommandSpecException("No old ref spec");
}
final Context geogig = this.getCommandLocator(context);
final Iterator<DiffEntry> diff =
geogig
.command(DiffOp.class)
.setOldVersion(oldRefSpec)
.setNewVersion(newRefSpec)
.setFilter(pathFilter)
.call();
context.setResponseContent(
new CommandResponse() {
@Override
public void write(ResponseWriter out) throws Exception {
out.start();
if (showGeometryChanges) {
out.writeGeometryChanges(geogig, diff, page, elementsPerPage);
} else {
out.writeDiffEntries("diff", page * elementsPerPage, elementsPerPage, diff);
}
out.finish();
}
});
}