/**
* Returns a node specified by the given absolute path.
*
* @param string $path Absolute path specifying the node
* @return NodeInterface The specified node or NULL if no such node exists
* @throws \InvalidArgumentException
* @api
*/
public function getNode($path)
{
if (!is_string($path) || $path[0] !== '/') {
throw new \InvalidArgumentException('Only absolute paths are allowed for Context::getNode()', 1284975105);
}
$path = strtolower($path);
$workspaceRootNode = $this->getWorkspace()->getRootNodeData();
$rootNode = $this->nodeFactory->createFromNodeData($workspaceRootNode, $this);
if ($path !== '/') {
$node = $this->firstLevelNodeCache->getByPath($path);
if ($node === false) {
$node = $rootNode->getNode(substr($path, 1));
$this->firstLevelNodeCache->setByPath($path, $node);
}
} else {
$node = $rootNode;
}
return $node;
}
