public static String getMD5Checksum(File file) throws IOException, NoSuchAlgorithmException {
        return getChecksum(MD5, file);
    }
@Test
    public void testGetMD5Checksum() throws Exception {
        File file = new File(this.getClass().getClassLoader().getResource("checkSumTest.file").toURI().getPath());
        //String expResult = "F0915C5F46B8CFA283E5AD67A09B3793";
        String expResult = "f0915c5f46b8cfa283e5ad67a09b3793";
        String result = Checksum.getMD5Checksum(file);
        assertEquals(expResult, result);
    }