+ return false;
+ }
+
+
+ private boolean deleteAllListElements(final FragmentEntity parentFragmentEntity, final String listXpath) {
+ final String deleteTargetXpathPrefix = listXpath + "[";
+ if (parentFragmentEntity.getChildFragments()
+ .removeIf(fragment -> fragment.getXpath().startsWith(deleteTargetXpathPrefix))) {
+ fragmentRepository.save(parentFragmentEntity);
+ return true;
+ }
+ return false;
+ }
+
+ private static void deleteListElements(
+ final Collection<FragmentEntity> fragmentEntities,
+ final Map<String, FragmentEntity> existingListElementFragmentEntitiesByXPath) {
+ fragmentEntities.removeAll(existingListElementFragmentEntitiesByXPath.values());
+ }
+
+ private static String getListElementXpathPrefix(final Collection<DataNode> newListElements) {
+ if (newListElements.isEmpty()) {
+ throw new CpsAdminException("Invalid list replacement",
+ "Cannot replace list elements with empty collection");
+ }
+ final String firstChildNodeXpath = newListElements.iterator().next().getXpath();
+ return firstChildNodeXpath.substring(0, firstChildNodeXpath.lastIndexOf("[") + 1);
+ }
+
+ private FragmentEntity getFragmentForReplacement(final FragmentEntity parentEntity,
+ final DataNode newListElement,
+ final FragmentEntity existingListElementEntity) {
+ if (existingListElementEntity == null) {
+ return convertToFragmentWithAllDescendants(
+ parentEntity.getDataspace(), parentEntity.getAnchor(), newListElement);
+ }
+ if (newListElement.getChildDataNodes().isEmpty()) {
+ copyAttributesFromNewListElement(existingListElementEntity, newListElement);
+ existingListElementEntity.getChildFragments().clear();
+ } else {
+ replaceDataNodeTree(existingListElementEntity, newListElement);
+ }
+ return existingListElementEntity;
+ }
+
+ private static boolean isNewDataNode(final DataNode replacementDataNode,
+ final Map<String, FragmentEntity> existingListElementsByXpath) {
+ return !existingListElementsByXpath.containsKey(replacementDataNode.getXpath());
+ }
+
+ private void copyAttributesFromNewListElement(final FragmentEntity existingListElementEntity,
+ final DataNode newListElement) {
+ final FragmentEntity replacementFragmentEntity =
+ FragmentEntity.builder().attributes(jsonObjectMapper.asJsonString(
+ newListElement.getLeaves())).build();
+ existingListElementEntity.setAttributes(replacementFragmentEntity.getAttributes());
+ }
+
+ private static Map<String, FragmentEntity> extractListElementFragmentEntitiesByXPath(
+ final Set<FragmentEntity> childEntities, final String listElementXpathPrefix) {
+ return childEntities.stream()
+ .filter(fragmentEntity -> fragmentEntity.getXpath().startsWith(listElementXpathPrefix))
+ .collect(Collectors.toMap(FragmentEntity::getXpath, fragmentEntity -> fragmentEntity));