private NodePath verifyNodeNotExistAtNewPath(final Node nodeToBeRenamed) {
final NodePath parentPath = nodeToBeRenamed.parentPath().asAbsolute();
final NodePath targetPath = new NodePath(parentPath, params.getNewNodeName());
final Node existingNodeAtTargetPath =
GetNodeByPathCommand.create(this).nodePath(targetPath).build().execute();
if ((existingNodeAtTargetPath != null)
&& !nodeToBeRenamed.id().equals(existingNodeAtTargetPath.id())) {
throw new NodeAlreadyExistAtPathException(targetPath);
}
return parentPath;
}
public MoveNodeResult execute() {
final NodeId nodeId = params.getNodeId();
final Node nodeToBeRenamed = doGetById(nodeId);
if (nodeToBeRenamed == null) {
throw new NodeNotFoundException("cannot rename node with id [" + nodeId + "]");
}
if (nodeToBeRenamed.isRoot()) {
throw new OperationNotPermittedException("Not allowed to rename root-node");
}
final NodePath parentPath = verifyNodeNotExistAtNewPath(nodeToBeRenamed);
return MoveNodeCommand.create(this)
.id(params.getNodeId())
.newParent(parentPath)
.newNodeName(params.getNewNodeName())
.build()
.execute();
}