private function map($destination, $entry_name)
	{
		$base_path = str_replace(DIRECTORY_SEPARATOR, '/', getcwd());
		$opus_path = str_replace($base_path, '', $destination);

		if (!isset($this->installationMap[$opus_path])) {
			$this->installationMap[$opus_path] = array();
		}

		if (!in_array($entry_name, $this->installationMap[$opus_path])) {
			$this->installationMap[$opus_path][] = $entry_name;

		} else {

			//
			// It's already mapped, what more do you want?
			//

		}
	}