public static boolean isset(String s) {
    return (s != null) && (s.length() > 0);
  }
@Test
  public void testIssetString() {
    Assert.assertFalse(TempletonUtils.isset((String)null));
    Assert.assertFalse(TempletonUtils.isset(""));
    Assert.assertTrue(TempletonUtils.isset("hello"));
  }