public function read()
    {
        $lines = readLines($this->fileName, $this->fileEncoding);
        $fetch = array();

        foreach ($lines as $line) {
            $fields = preg_split('/\s+/', $line);
            if (count($fields) == 3) {
                array_push(
                    $fetch,
                    array('url' => $fields[0],
                          'length' => $fields[1],
                          'filename' => $fields[2])
                );
            }
        }
        $this->data = $fetch;
    }