{ "image/x-ms-bmp", ".bmp" }, { "image/vnd.adobe.photoshop", ".psd" }, { "image/photoshop", ".psd" },
                { "application/x-photoshop", ".psd" }, { "application/photoshop", ".psd" } };

        for (final String[] testCase : testCases) {
            final String mimeType = testCase[0];

        case "image/jpeg" -> ".jpg";
        case "image/png" -> ".png";
        case "image/bmp", "image/x-windows-bmp", "image/x-ms-bmp" -> ".bmp";
        case "image/vnd.adobe.photoshop", "image/photoshop", "application/x-photoshop", "application/photoshop" -> ".psd";
        default -> "";
        };
    }

   * href="http://www.adobe.com/devnet-apps/photoshop/fileformatashtml/PhotoshopFileFormats.htm">
   * Adobe Photoshop Document Format</a> and <a
   * href="http://en.wikipedia.org/wiki/Adobe_Photoshop#File_format">Wikipedia</a>; this is the
   * regular output/input of Photoshop (which can also export to various image formats; note that