src/java.xml/share/classes/org/w3c/dom/bootstrap/DOMImplementationRegistry.java

*** 211,222 ****
       */
      public DOMImplementation getDOMImplementation(final String features) {
          int size = sources.size();
          String name = null;
          for (int i = 0; i < size; i++) {
!             DOMImplementationSource source =
!                 (DOMImplementationSource) sources.get(i);
              DOMImplementation impl = source.getDOMImplementation(features);
              if (impl != null) {
                  return impl;
              }
          }
--- 211,221 ----
       */
      public DOMImplementation getDOMImplementation(final String features) {
          int size = sources.size();
          String name = null;
          for (int i = 0; i < size; i++) {
!             DOMImplementationSource source = sources.get(i);
              DOMImplementation impl = source.getDOMImplementation(features);
              if (impl != null) {
                  return impl;
              }
          }
*** 236,247 ****
       */
      public DOMImplementationList getDOMImplementationList(final String features) {
          final List<DOMImplementation> implementations = new ArrayList<>();
          int size = sources.size();
          for (int i = 0; i < size; i++) {
!             DOMImplementationSource source =
!                 (DOMImplementationSource) sources.get(i);
              DOMImplementationList impls =
                  source.getDOMImplementationList(features);
              for (int j = 0; j < impls.getLength(); j++) {
                  DOMImplementation impl = impls.item(j);
                  implementations.add(impl);
--- 235,245 ----
       */
      public DOMImplementationList getDOMImplementationList(final String features) {
          final List<DOMImplementation> implementations = new ArrayList<>();
          int size = sources.size();
          for (int i = 0; i < size; i++) {
!             DOMImplementationSource source = sources.get(i);
              DOMImplementationList impls =
                  source.getDOMImplementationList(features);
              for (int j = 0; j < impls.getLength(); j++) {
                  DOMImplementation impl = impls.item(j);
                  implementations.add(impl);
*** 249,260 ****
          }
          return new DOMImplementationList() {
                  public DOMImplementation item(final int index) {
                      if (index >= 0 && index < implementations.size()) {
                          try {
!                             return (DOMImplementation)
!                                 implementations.get(index);
                          } catch (IndexOutOfBoundsException e) {
                              return null;
                          }
                      }
                      return null;
--- 247,257 ----
          }
          return new DOMImplementationList() {
                  public DOMImplementation item(final int index) {
                      if (index >= 0 && index < implementations.size()) {
                          try {
!                             return implementations.get(index);
                          } catch (IndexOutOfBoundsException e) {
                              return null;
                          }
                      }
                      return null;