@Test
 public void shouldSupportFormMediaType() {
   assertEquals(
       true,
       CsrfValidateInterceptor.isSupportedMediaType(
           MediaType.valueOf("application/x-www-form-urlencoded")));
 }
 @Test
 public void shouldSupportFormMediaTypeWithCharset() {
   // https://java.net/jira/browse/OZARK-66
   assertEquals(
       true,
       CsrfValidateInterceptor.isSupportedMediaType(
           MediaType.valueOf("application/x-www-form-urlencoded;charset=windows-31j")));
 }
 @Test
 public void shouldFailForNoMediaType() {
   assertEquals(false, CsrfValidateInterceptor.isSupportedMediaType(null));
 }
 @Test
 public void shouldFailForOtherMediaType() {
   assertEquals(
       false, CsrfValidateInterceptor.isSupportedMediaType(MediaType.valueOf("application/pdf")));
 }