@Override
public void deleteTag(Tag tag, boolean autoSave) throws AccessControlException {
try {
resourceResolver.delete(tag.adaptTo(Resource.class));
if (autoSave) {
resourceResolver.commit();
resourceResolver.refresh();
}
} catch (PersistenceException e) {
log.error("error deleting tag", e);
}
}
private List<String> makeTags(
final TagManager tagManager,
final List<TagDataConverter> tagDataConverters,
final Iterator<String[]> rows)
throws InvalidTagFormatException, RepositoryException {
final Set<String> result = new LinkedHashSet<String>();
while (rows.hasNext()) {
final String[] row = rows.next();
log.debug("Processing data from row {}", Arrays.asList(row));
String tagId = null;
for (int i = 0; i < row.length; i++) {
TagData tagData = null;
final String element = StringUtils.trimToNull(row[i]);
if (element == null) {
log.warn("Element is null skipping this row [ {} ]", tagId);
break;
}
for (final TagDataConverter tagDataConverter : tagDataConverters) {
if (tagDataConverter.accepts(element)) {
tagData = tagDataConverter.convert(element);
break;
}
}
if (tagData == null) {
log.warn(
"Could not find a Tag Data Converter that accepts CSV element [ {} ]; skipping...");
break;
} else if (!tagData.isValid()) {
log.warn("Could not convert CSV element [ {} ] into valid Tag Data; skipping...");
break;
}
if (i == 0) {
// Tag Namespace
tagId = tagData.getName() + TagConstants.NAMESPACE_DELIMITER;
} else if (i == 1) {
// First Tag under Namespace
tagId += tagData.getName();
} else {
// Subsequent Tags
tagId += "/" + tagData.getName();
}
final Tag tag = tagManager.createTag(tagId, tagData.getTitle(), tagData.getDescription());
log.trace("Created Tag [ {} ] with Title [ {} ]", tag.getTagID(), tagData.getTitle());
result.add(tagId);
}
}
if (tagManager.getSession().hasPendingChanges()) {
final long start = System.currentTimeMillis();
tagManager.getSession().save();
log.info("Persisting tags to JCR in {} ms", System.currentTimeMillis() - start);
}
return new ArrayList<String>(result);
}
@Override
public RangeIterator<Resource> find(String basePath, String[] tagIDs, boolean oneMatchIsEnough) {
Resource base = resourceResolver.getResource(basePath);
if (base == null) {
return new CollectionRangeIterator<Resource>(Collections.<Resource>emptyList());
}
Collection<String> tagPaths = new HashSet<String>(tagIDs.length);
for (String tagID : tagIDs) {
Tag tag = resolve(tagID);
// clause - if tag does not exist, should return null.
if (tag == null) {
return null;
}
tagPaths.add(tag.adaptTo(Resource.class).getPath());
}
Queue<Resource> searchResources = new LinkedList<Resource>();
searchResources.add(base);
Collection<Resource> matchedResources = new ArrayList<Resource>();
while (!searchResources.isEmpty()) {
Resource resource = searchResources.poll();
// add the children to search the entire tree
CollectionUtils.addAll(searchResources, resource.listChildren());
// now process the tags
String[] resourceTags = resource.getValueMap().get(TagConstants.PN_TAGS, String[].class);
if (resourceTags == null) {
continue;
}
List<String> resourceTagPaths = new ArrayList<String>(resourceTags.length);
try {
for (String resourceTag : resourceTags) {
resourceTagPaths.add(getPathFromID(resourceTag));
}
} catch (InvalidTagFormatException e) {
log.error("invalid tag id encountered", e);
}
if (resourceTagPaths.isEmpty()) {
continue;
}
boolean matches = false;
if (oneMatchIsEnough) {
// this is essentially an OR list, so break out on the first positive
oneMatched:
for (String tagPath : tagPaths) {
for (String resourceTagPath : resourceTagPaths) {
matches = doTagsMatch(resourceTagPath, tagPath);
if (matches) {
break oneMatched;
}
}
}
} else {
// this is essentially an AND list, so break out on the first failure
matches = true;
for (String tagPath : tagPaths) {
boolean tagMatched = false;
for (Iterator<String> resourceTagPathIter = resourceTagPaths.iterator();
!tagMatched && resourceTagPathIter.hasNext(); ) {
String resourceTagPath = resourceTagPathIter.next();
tagMatched = doTagsMatch(resourceTagPath, tagPath);
}
// if no tag on the resource matched the current search tag, it fails the search
if (!tagMatched) {
matches = false;
break;
}
}
}
if (matches) {
matchedResources.add(resource);
}
}
return new CollectionRangeIterator<Resource>(matchedResources);
}
