{
Collection<XarEntry> entries = XarPackage.getEntries(new File(fileName));
List<DocumentReference> result = new ArrayList<DocumentReference>(entries.size());
WikiReference wikiReference = new WikiReference("xwiki");
Pattern pattern = patternFilter == null ? null : Pattern.compile(patternFilter);
for (XarEntry entry : entries) {
if (pattern == null || pattern.matcher(SERIALIZER.serialize(entry)).matches()) {