output: #fixed code
                                  @Test
      public void testVideosSitemap() throws UnknownFormatException, IOException {
          SiteMapParser parser = new SiteMapParser();
          parser.enableExtension(Extension.VIDEO);
  
          String contentType = "text/xml";
          byte[] content = SiteMapParserTest.getResourceAsBytes("src/test/resources/sitemaps/extension/sitemap-videos.xml");
  
          URL url = new URL("http://www.example.com/sitemap-video.xml");
          AbstractSiteMap asm = parser.parseSiteMap(contentType, content, url);
          assertEquals(false, asm.isIndex());
          assertEquals(true, asm instanceof SiteMap);
          SiteMap sm = (SiteMap) asm;
          assertEquals(2, sm.getSiteMapUrls().size());
          Iterator<SiteMapURL> siter = sm.getSiteMapUrls().iterator();
  
          // first <loc> element: nearly all video attributes
          VideoAttributes expectedVideoAttributes = new VideoAttributes(new URL("http://www.example.com/thumbs/123.jpg"), "Grilling steaks for summer",
                          "Alkis shows you how to get perfectly done steaks every time", new URL("http://www.example.com/video123.flv"), new URL("http://www.example.com/videoplayer.swf?video=123"));
          expectedVideoAttributes.setDuration(600);
          ZonedDateTime dt = ZonedDateTime.parse("2009-11-05T19:20:30+08:00");
          expectedVideoAttributes.setExpirationDate(dt);
          dt = ZonedDateTime.parse("2007-11-05T19:20:30+08:00");
          expectedVideoAttributes.setPublicationDate(dt);
          expectedVideoAttributes.setRating(4.2f);
          expectedVideoAttributes.setViewCount(12345);
          expectedVideoAttributes.setFamilyFriendly(true);
          expectedVideoAttributes.setTags(new String[] { "sample_tag1", "sample_tag2" });
          expectedVideoAttributes.setAllowedCountries(new String[] { "IE", "GB", "US", "CA" });
          expectedVideoAttributes.setGalleryLoc(new URL("http://cooking.example.com"));
          expectedVideoAttributes.setGalleryTitle("Cooking Videos");
          expectedVideoAttributes.setPrices(new VideoAttributes.VideoPrice[] { new VideoAttributes.VideoPrice("EUR", 1.99f, VideoAttributes.VideoPriceType.own) });
          expectedVideoAttributes.setRequiresSubscription(true);
          expectedVideoAttributes.setUploader("GrillyMcGrillerson");
          expectedVideoAttributes.setUploaderInfo(new URL("http://www.example.com/users/grillymcgrillerson"));
          expectedVideoAttributes.setLive(false);
          VideoAttributes attr = (VideoAttributes) siter.next().getAttributesForExtension(Extension.VIDEO)[0];
          assertNotNull(attr);
          assertEquals(expectedVideoAttributes, attr);
  
          // locale-specific number format in <video:price>, test #220
          expectedVideoAttributes = new VideoAttributes(new URL("http://www.example.com/thumbs/123-2.jpg"), "Grilling steaks for summer, episode 2",
                          "Alkis shows you how to get perfectly done steaks every time", new URL("http://www.example.com/video123-2.flv"), null);
          expectedVideoAttributes.setPrices(new VideoAttributes.VideoPrice[] { new VideoAttributes.VideoPrice("EUR", null, VideoAttributes.VideoPriceType.own) });
          attr = (VideoAttributes) siter.next().getAttributesForExtension(Extension.VIDEO)[0];
          assertNotNull(attr);
          assertEquals(expectedVideoAttributes, attr);
      }
input: #vulnerable code 
                                  @Test
      public void testVideosSitemap() throws UnknownFormatException, IOException {
          SiteMapParser parser = new SiteMapParser();
          parser.enableExtension(Extension.VIDEO);
  
          String contentType = "text/xml";
          byte[] content = SiteMapParserTest.getResourceAsBytes("src/test/resources/sitemaps/extension/sitemap-videos.xml");
  
          URL url = new URL("http://www.example.com/sitemap-video.xml");
          AbstractSiteMap asm = parser.parseSiteMap(contentType, content, url);
          assertEquals(false, asm.isIndex());
          assertEquals(true, asm instanceof SiteMap);
          SiteMap sm = (SiteMap) asm;
          assertEquals(1, sm.getSiteMapUrls().size());
          VideoAttributes expectedVideoAttributes = new VideoAttributes(new URL("http://www.example.com/thumbs/123.jpg"), "Grilling steaks for summer",
                          "Alkis shows you how to get perfectly done steaks every time", new URL("http://www.example.com/video123.flv"), new URL("http://www.example.com/videoplayer.swf?video=123"));
          expectedVideoAttributes.setDuration(600);
          ZonedDateTime dt = ZonedDateTime.parse("2009-11-05T19:20:30+08:00");
          expectedVideoAttributes.setExpirationDate(dt);
          dt = ZonedDateTime.parse("2007-11-05T19:20:30+08:00");
          expectedVideoAttributes.setPublicationDate(dt);
          expectedVideoAttributes.setRating(4.2f);
          expectedVideoAttributes.setViewCount(12345);
          expectedVideoAttributes.setFamilyFriendly(true);
          expectedVideoAttributes.setTags(new String[] { "sample_tag1", "sample_tag2" });
          expectedVideoAttributes.setAllowedCountries(new String[] { "IE", "GB", "US", "CA" });
          expectedVideoAttributes.setGalleryLoc(new URL("http://cooking.example.com"));
          expectedVideoAttributes.setGalleryTitle("Cooking Videos");
          expectedVideoAttributes.setPrices(new VideoAttributes.VideoPrice[] { new VideoAttributes.VideoPrice("EUR", 1.99f, VideoAttributes.VideoPriceType.own) });
          expectedVideoAttributes.setRequiresSubscription(true);
          expectedVideoAttributes.setUploader("GrillyMcGrillerson");
          expectedVideoAttributes.setUploaderInfo(new URL("http://www.example.com/users/grillymcgrillerson"));
          expectedVideoAttributes.setLive(false);
  
          for (SiteMapURL su : sm.getSiteMapUrls()) {
              assertNotNull(su.getAttributesForExtension(Extension.VIDEO));
              VideoAttributes attr = (VideoAttributes) su.getAttributesForExtension(Extension.VIDEO)[0];
              assertEquals(expectedVideoAttributes, attr);
          }
      } 
                              #location 37 
                              #vulnerability type NULL_DEREFERENCE