/**
* Removes a namespace mapping from the registry. The following restriction
* apply:
* * Attempting to unregister a built-in namespace (jcr, nt, mix, sv, xml or
* the empty namespace) will throw a \PHPCR\NamespaceException.
* * An attempt to unregister a namespace that is not currently registered
* will throw a \PHPCR\NamespaceException.
* * An implementation may prevent the unregistering of any other namespace
* for implementation-specific reasons by throwing a
* \PHPCR\NamespaceException.
*
* @param string $prefix The prefix of the mapping to be removed.
* @return void
* @throws \PHPCR\NamespaceException unregister a built-in namespace or a namespace that is not currently registered or a namespace whose unregsitration is forbidden for implementation-specific reasons.
* @throws \PHPCR\UnsupportedRepositoryOperationException if this repository does not support namespace registry changes.
* @throws \PHPCR\AccessDeniedException if the current session does not have sufficient access to unregister the namespace.
* @throws \PHPCR\RepositoryException if another error occurs.
*/
public function unregisterNamespace($prefix)
{
$this->namespaceManager->checkPrefix($prefix);
if (!array_key_exists($prefix, $this->userNamespaces)) {
//defaultNamespaces would throw an exception in checkPrefix already
throw new \PHPCR\NamespaceException("Prefix {$prefix} is not currently registered");
}
throw new NotImplementedException('Write');
}
