kernel/private/classes/webdav/ezwebdavcontentbackend.php
public function head( ezcWebdavHeadRequest $request )
    {
        $this->acquireLock( true );
        $return = parent::head( $request );
        $this->freeLock();

        return $return;
    }
public function head( ezcWebdavHeadRequest $request )
    {
        $this->acquireLock( true );
        $return = parent::head( $request );
        $this->freeLock();

        return $return;
    }
public function head ( ezcWebdavHeadRequest $ request ) { $ this -> acquireLock ( true ) ; $ return = parent :: head ( $ request ) ; $ this -> freeLock ( ) ; return $ return ; }
Serves HEAD requests.

The method receives a {@link ezcWebdavHeadRequest} object containing all
relevant information obout the clients request and will return an {@link
ezcWebdavErrorResponse} instance on error or an instance of {@link
ezcWebdavHeadResponse} on success.

This method acquires the internal lock of the backend, dispatches to
{@link ezcWebdavSimpleBackend} to perform the operation and releases the
lock afterwards.

@param ezcWebdavHeadRequest $request
@return ezcWebdavResponse
Serves HEAD requests .