private static final Gson GSON = new GsonBuilder().create();
private static final String REG_EX_FOR_OPTIONAL_LIST_INDEX = "(\\[@[\\s\\S]+?]){0,1})";
- private static final String REG_EX_FOR_LIST_NODE_KEY = "\\[(\\@([^/]*?)){0,99}( and)*\\]$";
+ private static final Pattern REG_EX_PATTERN_FOR_LIST_ELEMENT_KEY_PREDICATE =
+ Pattern.compile("\\[(\\@([^\\/]{0,9999}))\\]$");
@Override
public void addChildDataNode(final String dataspaceName, final String anchorName, final String parentXpath,
}
@Override
- public void addListDataNodes(final String dataspaceName, final String anchorName, final String parentNodeXpath,
+ public void addListElements(final String dataspaceName, final String anchorName, final String parentNodeXpath,
final Collection<DataNode> dataNodes) {
final FragmentEntity parentFragment = getFragmentByXpath(dataspaceName, anchorName, parentNodeXpath);
final List<FragmentEntity> newFragmentEntities =
}
private static void replaceDataNodeTree(final FragmentEntity existingFragmentEntity,
- final DataNode submittedDataNode) {
+ final DataNode newDataNode) {
- existingFragmentEntity.setAttributes(GSON.toJson(submittedDataNode.getLeaves()));
+ existingFragmentEntity.setAttributes(GSON.toJson(newDataNode.getLeaves()));
final Map<String, FragmentEntity> existingChildrenByXpath = existingFragmentEntity.getChildFragments()
.stream().collect(Collectors.toMap(FragmentEntity::getXpath, childFragmentEntity -> childFragmentEntity));
- final Collection updatedChildFragments = new HashSet<FragmentEntity>();
+ final Collection<FragmentEntity> updatedChildFragments = new HashSet<>();
- for (final DataNode submittedChildDataNode : submittedDataNode.getChildDataNodes()) {
+ for (final DataNode newDataNodeChild : newDataNode.getChildDataNodes()) {
final FragmentEntity childFragment;
- if (isNewDataNode(submittedChildDataNode, existingChildrenByXpath)) {
+ if (isNewDataNode(newDataNodeChild, existingChildrenByXpath)) {
childFragment = convertToFragmentWithAllDescendants(
- existingFragmentEntity.getDataspace(), existingFragmentEntity.getAnchor(), submittedChildDataNode);
+ existingFragmentEntity.getDataspace(), existingFragmentEntity.getAnchor(), newDataNodeChild);
} else {
- childFragment = existingChildrenByXpath.get(submittedChildDataNode.getXpath());
- replaceDataNodeTree(childFragment, submittedChildDataNode);
+ childFragment = existingChildrenByXpath.get(newDataNodeChild.getXpath());
+ replaceDataNodeTree(childFragment, newDataNodeChild);
}
updatedChildFragments.add(childFragment);
}
@Override
@Transactional
- public void replaceListDataNodes(final String dataspaceName, final String anchorName, final String parentNodeXpath,
- final Collection<DataNode> replacementDataNodes) {
+ public void replaceListContent(final String dataspaceName, final String anchorName, final String parentNodeXpath,
+ final Collection<DataNode> newListElements) {
final FragmentEntity parentEntity = getFragmentByXpath(dataspaceName, anchorName, parentNodeXpath);
- final String listNodeXpathPrefix = getListNodeXpathPrefix(replacementDataNodes);
+ final String listElementXpathPrefix = getListElementXpathPrefix(newListElements);
final Map<String, FragmentEntity> existingListElementFragmentEntitiesByXPath =
- extractListElementFragmentEntitiesByXPath(parentEntity.getChildFragments(), listNodeXpathPrefix);
- removeExistingListElements(parentEntity.getChildFragments(), existingListElementFragmentEntitiesByXPath);
+ extractListElementFragmentEntitiesByXPath(parentEntity.getChildFragments(), listElementXpathPrefix);
+ deleteListElements(parentEntity.getChildFragments(), existingListElementFragmentEntitiesByXPath);
final Set<FragmentEntity> updatedChildFragmentEntities = new HashSet<>();
- for (final DataNode replacementDataNode : replacementDataNodes) {
- final FragmentEntity existingListNodeElementEntity =
- existingListElementFragmentEntitiesByXPath.get(replacementDataNode.getXpath());
- final FragmentEntity entityToBeAdded = getFragmentForReplacement(parentEntity, replacementDataNode,
- existingListNodeElementEntity);
+ for (final DataNode newListElement : newListElements) {
+ final FragmentEntity existingListElementEntity =
+ existingListElementFragmentEntitiesByXPath.get(newListElement.getXpath());
+ final FragmentEntity entityToBeAdded = getFragmentForReplacement(parentEntity, newListElement,
+ existingListElementEntity);
updatedChildFragmentEntities.add(entityToBeAdded);
}
fragmentRepository.save(parentEntity);
}
- private static void removeExistingListElements(
+
+ @Override
+ @Transactional
+ public void deleteListDataNode(final String dataspaceName, final String anchorName,
+ final String targetXpath) {
+ deleteDataNode(dataspaceName, anchorName, targetXpath, true);
+ }
+
+ @Override
+ @Transactional
+ public void deleteDataNode(final String dataspaceName, final String anchorName, final String targetXpath) {
+ deleteDataNode(dataspaceName, anchorName, targetXpath, false);
+ }
+
+ private void deleteDataNode(final String dataspaceName, final String anchorName, final String targetXpath,
+ final boolean onlySupportListNodeDeletion) {
+ final String parentNodeXpath = targetXpath.substring(0, targetXpath.lastIndexOf('/'));
+ final FragmentEntity parentFragmentEntity = getFragmentByXpath(dataspaceName, anchorName, parentNodeXpath);
+ final String lastXpathElement = targetXpath.substring(targetXpath.lastIndexOf('/'));
+ final boolean isListElement = REG_EX_PATTERN_FOR_LIST_ELEMENT_KEY_PREDICATE.matcher(lastXpathElement).find();
+ boolean targetExist;
+ if (isListElement) {
+ targetExist = deleteDataNode(parentFragmentEntity, targetXpath);
+ } else {
+ targetExist = deleteAllListElements(parentFragmentEntity, targetXpath);
+ final boolean tryToDeleteDataNode = !targetExist && !onlySupportListNodeDeletion;
+ if (tryToDeleteDataNode) {
+ targetExist = deleteDataNode(parentFragmentEntity, targetXpath);
+ }
+ }
+ if (!targetExist) {
+ final String additionalInformation = onlySupportListNodeDeletion
+ ? "The target is probably not a List." : "";
+ throw new DataNodeNotFoundException(parentFragmentEntity.getDataspace().getName(),
+ parentFragmentEntity.getAnchor().getName(), targetXpath, additionalInformation);
+ }
+ }
+
+ private boolean deleteDataNode(final FragmentEntity parentFragmentEntity, final String targetXpath) {
+ if (parentFragmentEntity.getChildFragments()
+ .removeIf(fragment -> fragment.getXpath().equals(targetXpath))) {
+ fragmentRepository.save(parentFragmentEntity);
+ return true;
+ }
+ 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 getListNodeXpathPrefix(final Collection<DataNode> replacementDataNodes) {
- final String firstChildNodeXpath = replacementDataNodes.iterator().next().getXpath();
+ private static String getListElementXpathPrefix(final Collection<DataNode> newListElements) {
+ final String firstChildNodeXpath = newListElements.iterator().next().getXpath();
return firstChildNodeXpath.substring(0, firstChildNodeXpath.lastIndexOf("[") + 1);
}
private static FragmentEntity getFragmentForReplacement(final FragmentEntity parentEntity,
- final DataNode replacementDataNode,
- final FragmentEntity existingListNodeElementEntity) {
- if (existingListNodeElementEntity == null) {
+ final DataNode newListElement,
+ final FragmentEntity existingListElementEntity) {
+ if (existingListElementEntity == null) {
return convertToFragmentWithAllDescendants(
- parentEntity.getDataspace(), parentEntity.getAnchor(), replacementDataNode);
+ parentEntity.getDataspace(), parentEntity.getAnchor(), newListElement);
}
- if (replacementDataNode.getChildDataNodes().isEmpty()) {
- copyAttributesFromReplacementDataNode(existingListNodeElementEntity, replacementDataNode);
- existingListNodeElementEntity.getChildFragments().clear();
+ if (newListElement.getChildDataNodes().isEmpty()) {
+ copyAttributesFromNewListElement(existingListElementEntity, newListElement);
+ existingListElementEntity.getChildFragments().clear();
} else {
- replaceDataNodeTree(existingListNodeElementEntity, replacementDataNode);
+ replaceDataNodeTree(existingListElementEntity, newListElement);
}
- return existingListNodeElementEntity;
+ return existingListElementEntity;
}
private static boolean isNewDataNode(final DataNode replacementDataNode,
- final Map<String, FragmentEntity> existingListNodeElementsByXpath) {
- return !existingListNodeElementsByXpath.containsKey(replacementDataNode.getXpath());
+ final Map<String, FragmentEntity> existingListElementsByXpath) {
+ return !existingListElementsByXpath.containsKey(replacementDataNode.getXpath());
}
- private static void copyAttributesFromReplacementDataNode(final FragmentEntity existingListNodeElementEntity,
- final DataNode replacementDataNode) {
+ private static void copyAttributesFromNewListElement(final FragmentEntity existingListElementEntity,
+ final DataNode newListElement) {
final FragmentEntity replacementFragmentEntity =
- FragmentEntity.builder().attributes(GSON.toJson(replacementDataNode.getLeaves())).build();
- existingListNodeElementEntity.setAttributes(replacementFragmentEntity.getAttributes());
+ FragmentEntity.builder().attributes(GSON.toJson(newListElement.getLeaves())).build();
+ existingListElementEntity.setAttributes(replacementFragmentEntity.getAttributes());
}
private static Map<String, FragmentEntity> extractListElementFragmentEntitiesByXPath(
- final Set<FragmentEntity> childEntities, final String listNodeXpathPrefix) {
+ final Set<FragmentEntity> childEntities, final String listElementXpathPrefix) {
return childEntities.stream()
- .filter(fragmentEntity -> fragmentEntity.getXpath().startsWith(listNodeXpathPrefix))
+ .filter(fragmentEntity -> fragmentEntity.getXpath().startsWith(listElementXpathPrefix))
.collect(Collectors.toMap(FragmentEntity::getXpath, fragmentEntity -> fragmentEntity));
}
- @Override
- @Transactional
- public void deleteListDataNodes(final String dataspaceName, final String anchorName, final String listNodeXpath) {
- final String parentNodeXpath = listNodeXpath.substring(0, listNodeXpath.lastIndexOf('/'));
- final FragmentEntity parentEntity = getFragmentByXpath(dataspaceName, anchorName, parentNodeXpath);
- final String descendantNode = listNodeXpath.substring(listNodeXpath.lastIndexOf('/'));
- final Matcher descendantNodeHasListNodeKey = Pattern.compile(REG_EX_FOR_LIST_NODE_KEY).matcher(descendantNode);
-
- final boolean xpathPointsToAValidChildNodeWithKey = parentEntity.getChildFragments().stream().anyMatch(
- fragment -> fragment.getXpath().equals(listNodeXpath));
-
- final boolean xpathPointsToAValidChildNodeWithoutKey = parentEntity.getChildFragments().stream().anyMatch(
- fragment -> fragment.getXpath().replaceAll(REG_EX_FOR_LIST_NODE_KEY, "").equals(listNodeXpath));
-
- if ((descendantNodeHasListNodeKey.find() && xpathPointsToAValidChildNodeWithKey)
- ||
- (!descendantNodeHasListNodeKey.find() && xpathPointsToAValidChildNodeWithoutKey)) {
- removeListNodeDescendants(parentEntity, listNodeXpath);
- } else {
- throw new DataNodeNotFoundException(parentEntity.getDataspace().getName(),
- parentEntity.getAnchor().getName(), listNodeXpath);
- }
- }
-
- private void removeListNodeDescendants(final FragmentEntity parentFragmentEntity, final String listNodeXpath) {
- final Matcher descendantNodeHasListNodeKey = Pattern.compile(REG_EX_FOR_LIST_NODE_KEY).matcher(listNodeXpath);
- final String listNodeXpathPrefix = listNodeXpath + (descendantNodeHasListNodeKey.find() ? "" : "[");
- if (parentFragmentEntity.getChildFragments()
- .removeIf(fragment -> fragment.getXpath().startsWith(listNodeXpathPrefix))) {
- fragmentRepository.save(parentFragmentEntity);
- }
- }
-
private static boolean isRootXpath(final String xpath) {
return "/".equals(xpath) || "".equals(xpath);
}
Code Review / cps.git / blobdiff