+ * @return string|null
+ */
+ public function getDomain() {
+ $path = $this->getLinkPath();
+
+ if ( $path === null ) {
+ return null;
+ }
+
+ return parse_url( $path, PHP_URL_HOST );
+ }
+
+ /**
+ * Returns the protocol of the site.
+ *
+ * @since 1.21
+ *
+ * @throws MWException
+ * @return string
+ */
+ public function getProtocol() {
+ $path = $this->getLinkPath();
+
+ if ( $path === null ) {
+ return '';
+ }
+
+ $protocol = parse_url( $path, PHP_URL_SCHEME );
+
+ // Malformed URL
+ if ( $protocol === false ) {
+ throw new MWException( "failed to parse URL '$path'" );
+ }
+
+ // No schema
+ if ( $protocol === null ) {
+ // Used for protocol relative URLs
+ $protocol = '';
+ }
+
+ return $protocol;
+ }
+
+ /**
+ * Sets the path used to construct links with.
+ * Shall be equivalent to setPath( getLinkPathType(), $fullUrl ).
+ *
+ * @param string $fullUrl
+ *
+ * @since 1.21
+ *
+ * @throws MWException
+ */
+ public function setLinkPath( $fullUrl ) {
+ $type = $this->getLinkPathType();
+
+ if ( $type === null ) {
+ throw new MWException( "This Site does not support link paths." );
+ }
+
+ $this->setPath( $type, $fullUrl );
+ }
+
+ /**
+ * Returns the path used to construct links with or false if there is no such path.
+ *
+ * Shall be equivalent to getPath( getLinkPathType() ).
+ *
+ * @return string|null
+ */
+ public function getLinkPath() {
+ $type = $this->getLinkPathType();
+ return $type === null ? null: $this->getPath( $type );
+ }
+
+ /**
+ * Returns the main path type, that is the type of the path that should generally be used to construct links
+ * to the target site.
+ *
+ * This default implementation returns Site::PATH_LINK as the default path type. Subclasses can override this
+ * to define a different default path type, or return false to disable site links.
+ *
+ * @since 1.21
+ *
+ * @return string|null