protected void addFeed(Feed feed, Element parent) throws FeedException {
Element eFeed = parent;
populateFeedHeader(feed, eFeed);
generateForeignMarkup(eFeed, (List) feed.getForeignMarkup());
checkFeedHeaderConstraints(eFeed);
generateFeedModules(feed.getModules(), eFeed);
}
@SuppressWarnings("unchecked")
public String getFeedContent(Feed feed) {
if (feed == null) {
LOGGER.warning("Feed is unknown!");
return null;
}
Date updated = new Date(System.currentTimeMillis());
feed.setUpdated(updated);
List<Module> modules = feed.getModules();
if (!ListUtil.isEmpty(modules)) {
for (Module module : modules) {
if (module instanceof DCModule) {
((DCModule) module).setDate(updated);
}
}
}
try {
return wfo.outputString(feed);
} catch (Exception e) {
LOGGER.log(Level.WARNING, "Error while outputing feed to string: " + feed, e);
return null;
}
}
/** Build Feed Meta Data. */
@Override
protected void buildFeedMetadata(
Map<String, Object> model, Feed feed, HttpServletRequest request) {
setAtomTitle(
model.get("feedTitle") == null ? "Project Published " : model.get("feedTitle").toString());
feed.setId(getAtomTitle());
feed.setTitle(getAtomTitle());
}
@SuppressWarnings("unchecked")
protected List<String> getAllFeedSubscribers(String processInstanceId, Integer authorId) {
Feed comments = getCommentsFeed(processInstanceId);
if (comments == null) {
return null;
}
return getEmails(comments.getEntries(), getUserMail(authorId));
}
public void testTitle() throws Exception {
Feed feed = (Feed) getWireFeed();
assertEquals("1", feed.getId());
assertEquals("xxx1", feed.getOtherLinks().get(0).getRel());
assertEquals("xxx2", feed.getOtherLinks().get(1).getRel());
assertEquals("xxx11", feed.getOtherLinks().get(0).getType());
assertEquals("xxx22", feed.getOtherLinks().get(1).getType());
assertEquals("http://foo.com/1", feed.getOtherLinks().get(0).getHref());
assertEquals("http://foo.com/2", feed.getOtherLinks().get(1).getHref());
}
protected Element createRootElement(Feed feed) {
Element root = new Element("feed", getFeedNamespace());
root.addNamespaceDeclaration(getFeedNamespace());
// Attribute version = new Attribute("version", getVersion());
// root.setAttribute(version);
if (feed.getXmlBase() != null) {
root.setAttribute("base", feed.getXmlBase(), Namespace.XML_NAMESPACE);
}
generateModuleNamespaceDefs(root);
return root;
}
/**
* Fetch the log entries as an atom feed. May trigger a purge of old messages, according to this
* log service's purge policy. Includes paging options.
*
* @param maxResults maximum number of log results
* @param startIndex starting index of log results
* @return a {@code Feed} containing all the entries in the log
*/
public synchronized Feed getFeed(Integer maxResults, Integer startIndex) {
Feed feed = new Feed();
feed.setTitle(
"Plugin management log for "
+ applicationProperties.getDisplayName()
+ " ("
+ applicationProperties.getBaseUrl()
+ ")");
feed.setModified(lastModified);
addLink(feed, applicationProperties.getBaseUrl(), "base");
addAuditLogEntries(feed, maxResults, startIndex);
return feed;
}
protected void addEntries(Feed feed, Element parent) throws FeedException {
List items = feed.getEntries();
for (int i = 0; i < items.size(); i++) {
addEntry((Entry) items.get(i), parent);
}
checkEntriesConstraints(parent);
}
@SuppressWarnings("unchecked")
private void addLink(Feed feed, String url, String rel) {
Link link = new Link();
link.setHref(url);
link.setRel(rel);
feed.getOtherLinks().add(link);
}
@SuppressWarnings("unchecked")
private void addAuditLogEntries(Feed feed, Integer maxResults, Integer startIndex) {
FeedData feedData = getFeedData(maxResults, startIndex);
addTotalEntriesMarkup(feed, feedData.totalEntries);
addStartIndexMarkup(feed, feedData.startIndex);
// add links to next and previous pages if any exist, and to first/last pages
int nextPageStartIndex = feedData.startIndex + feedData.maxResults;
int previousPageStartIndex = max(feedData.startIndex - feedData.maxResults, 0);
int firstPageStartIndex = 0;
int lastPageStartIndex =
(int) Math.floor((feedData.totalEntries - 1) / feedData.maxResults) * feedData.maxResults;
if (nextPageStartIndex < feedData.totalEntries) {
addLink(
feed, uriBuilder.buildAuditLogFeedUri(feedData.maxResults, nextPageStartIndex), "next");
addLink(
feed, uriBuilder.buildAuditLogFeedUri(feedData.maxResults, lastPageStartIndex), "last");
}
if (feedData.startIndex > 0) {
addLink(
feed, uriBuilder.buildAuditLogFeedUri(feedData.maxResults, firstPageStartIndex), "first");
addLink(
feed,
uriBuilder.buildAuditLogFeedUri(feedData.maxResults, previousPageStartIndex),
"previous");
}
// transform AuditLogEntry elements to rome Entry elements and add to the feed
feed.getEntries()
.addAll(Collections2.transform(feedData.entries, auditLogEntryToFeedEntryFn()));
}
/** Utility method to serialize an entry to writer. */
public static void serializeEntry(Entry entry, Writer writer)
throws IllegalArgumentException, FeedException, IOException {
// Build a feed containing only the entry
List entries = new ArrayList();
entries.add(entry);
Feed feed1 = new Feed();
feed1.setFeedType("atom_1.0");
feed1.setEntries(entries);
// Get Rome to output feed as a JDOM document
WireFeedOutput wireFeedOutput = new WireFeedOutput();
Document feedDoc = wireFeedOutput.outputJDom(feed1);
// Grab entry element from feed and get JDOM to serialize it
Element entryElement = (Element) feedDoc.getRootElement().getChildren().get(0);
XMLOutputter outputter = new XMLOutputter();
outputter.output(entryElement, writer);
}
protected WireFeed parseFeed(final Element eFeed, final Locale locale) throws FeedException {
String baseURI = null;
try {
baseURI = findBaseURI(eFeed);
} catch (final Exception e) {
throw new FeedException("ERROR while finding base URI of feed", e);
}
final Feed feed = parseFeedMetadata(baseURI, eFeed, locale);
feed.setStyleSheet(getStyleSheet(eFeed.getDocument()));
final String xmlBase = eFeed.getAttributeValue("base", Namespace.XML_NAMESPACE);
if (xmlBase != null) {
feed.setXmlBase(xmlBase);
}
feed.setModules(parseFeedModules(eFeed, locale));
final List<Element> eList = eFeed.getChildren("entry", getAtomNamespace());
if (eList.size() > 0) {
feed.setEntries(parseEntries(feed, baseURI, eList, locale));
}
final List<Element> foreignMarkup = extractForeignMarkup(eFeed, feed, getAtomNamespace());
if (foreignMarkup.size() > 0) {
feed.setForeignMarkup(foreignMarkup);
}
return feed;
}
/** Parse entry from reader. */
public static Entry parseEntry(final Reader rd, final String baseURI, final Locale locale)
throws JDOMException, IOException, IllegalArgumentException, FeedException {
// Parse entry into JDOM tree
final SAXBuilder builder = new SAXBuilder();
final Document entryDoc = builder.build(rd);
final Element fetchedEntryElement = entryDoc.getRootElement();
fetchedEntryElement.detach();
// Put entry into a JDOM document with 'feed' root so that Rome can
// handle it
final Feed feed = new Feed();
feed.setFeedType("atom_1.0");
final WireFeedOutput wireFeedOutput = new WireFeedOutput();
final Document feedDoc = wireFeedOutput.outputJDom(feed);
feedDoc.getRootElement().addContent(fetchedEntryElement);
if (baseURI != null) {
feedDoc.getRootElement().setAttribute("base", baseURI, Namespace.XML_NAMESPACE);
}
final WireFeedInput input = new WireFeedInput(false, locale);
final Feed parsedFeed = (Feed) input.build(feedDoc);
return parsedFeed.getEntries().get(0);
}
protected void populateFeedHeader(Feed feed, Element eFeed) throws FeedException {
if (feed.getTitleEx() != null) {
Element titleElement = new Element("title", getFeedNamespace());
fillContentElement(titleElement, feed.getTitleEx());
eFeed.addContent(titleElement);
}
List links = feed.getAlternateLinks();
if (links != null)
for (int i = 0; i < links.size(); i++) {
eFeed.addContent(generateLinkElement((Link) links.get(i)));
}
links = feed.getOtherLinks();
if (links != null)
for (int j = 0; j < links.size(); j++) {
eFeed.addContent(generateLinkElement((Link) links.get(j)));
}
List cats = feed.getCategories();
if (cats != null)
for (Iterator iter = cats.iterator(); iter.hasNext(); ) {
eFeed.addContent(generateCategoryElement((Category) iter.next()));
}
List authors = feed.getAuthors();
if (authors != null && authors.size() > 0) {
for (int i = 0; i < authors.size(); i++) {
Element authorElement = new Element("author", getFeedNamespace());
fillPersonElement(authorElement, (Person) feed.getAuthors().get(i));
eFeed.addContent(authorElement);
}
}
List contributors = feed.getContributors();
if (contributors != null && contributors.size() > 0) {
for (int i = 0; i < contributors.size(); i++) {
Element contributorElement = new Element("contributor", getFeedNamespace());
fillPersonElement(contributorElement, (Person) contributors.get(i));
eFeed.addContent(contributorElement);
}
}
if (feed.getSubtitle() != null) {
Element subtitleElement = new Element("subtitle", getFeedNamespace());
fillContentElement(subtitleElement, feed.getSubtitle());
eFeed.addContent(subtitleElement);
}
if (feed.getId() != null) {
eFeed.addContent(generateSimpleElement("id", feed.getId()));
}
if (feed.getGenerator() != null) {
eFeed.addContent(generateGeneratorElement(feed.getGenerator()));
}
if (feed.getRights() != null) {
eFeed.addContent(generateSimpleElement("rights", feed.getRights()));
}
if (feed.getIcon() != null) {
eFeed.addContent(generateSimpleElement("icon", feed.getIcon()));
}
if (feed.getLogo() != null) {
eFeed.addContent(generateSimpleElement("logo", feed.getLogo()));
}
if (feed.getUpdated() != null) {
Element updatedElement = new Element("updated", getFeedNamespace());
updatedElement.addContent(DateParser.formatW3CDateTime(feed.getUpdated()));
eFeed.addContent(updatedElement);
}
}
public static boolean isABrandFeed(Feed source) {
return BRAND_PAGE_ID_PATTERN.matcher(source.getId()).matches();
}
protected WireFeed parseFeed(Element eFeed) {
com.sun.syndication.feed.atom.Feed feed = new com.sun.syndication.feed.atom.Feed(getType());
Element e = eFeed.getChild("title", getAtomNamespace());
if (e != null) {
feed.setTitleEx(parseContent(e));
}
List<Element> eList = eFeed.getChildren("link", getAtomNamespace());
feed.setAlternateLinks(parseAlternateLinks(eList));
feed.setOtherLinks(parseOtherLinks(eList));
e = eFeed.getChild("author", getAtomNamespace());
if (e != null) {
List<Person> authors = new ArrayList<Person>();
authors.add(parsePerson(e));
feed.setAuthors(authors);
}
eList = eFeed.getChildren("contributor", getAtomNamespace());
if (eList.size() > 0) {
feed.setContributors(parsePersons(eList));
}
e = eFeed.getChild("tagline", getAtomNamespace());
if (e != null) {
feed.setTagline(parseContent(e));
}
e = eFeed.getChild("id", getAtomNamespace());
if (e != null) {
feed.setId(e.getText());
}
e = eFeed.getChild("generator", getAtomNamespace());
if (e != null) {
Generator gen = new Generator();
gen.setValue(e.getText());
String att = getAttributeValue(e, "url");
if (att != null) {
gen.setUrl(att);
}
att = getAttributeValue(e, "version");
if (att != null) {
gen.setVersion(att);
}
feed.setGenerator(gen);
}
e = eFeed.getChild("copyright", getAtomNamespace());
if (e != null) {
feed.setCopyright(e.getText());
}
e = eFeed.getChild("info", getAtomNamespace());
if (e != null) {
feed.setInfo(parseContent(e));
}
e = eFeed.getChild("modified", getAtomNamespace());
if (e != null) {
feed.setModified(DateParser.parseDate(e.getText()));
}
feed.setModules(parseFeedModules(eFeed));
eList = eFeed.getChildren("entry", getAtomNamespace());
if (eList.size() > 0) {
feed.setEntries(parseEntries(eList));
}
List<Element> foreignMarkup = extractForeignMarkup(eFeed, feed, getAtomNamespace());
if (foreignMarkup.size() > 0) {
feed.setForeignMarkup(foreignMarkup);
}
return feed;
}
public static boolean isASeriesFeed(Feed source) {
return SERIES_PAGE_ID_PATTERN.matcher(source.getId()).matches();
}
private Feed parseFeedMetadata(final String baseURI, final Element eFeed, final Locale locale) {
final com.sun.syndication.feed.atom.Feed feed =
new com.sun.syndication.feed.atom.Feed(getType());
Element e = eFeed.getChild("title", getAtomNamespace());
if (e != null) {
final Content c = new Content();
c.setValue(parseTextConstructToString(e));
c.setType(getAttributeValue(e, "type"));
feed.setTitleEx(c);
}
List<Element> eList = eFeed.getChildren("link", getAtomNamespace());
feed.setAlternateLinks(parseAlternateLinks(feed, null, baseURI, eList));
feed.setOtherLinks(parseOtherLinks(feed, null, baseURI, eList));
final List<Element> cList = eFeed.getChildren("category", getAtomNamespace());
feed.setCategories(parseCategories(baseURI, cList));
eList = eFeed.getChildren("author", getAtomNamespace());
if (eList.size() > 0) {
feed.setAuthors(parsePersons(baseURI, eList, locale));
}
eList = eFeed.getChildren("contributor", getAtomNamespace());
if (eList.size() > 0) {
feed.setContributors(parsePersons(baseURI, eList, locale));
}
e = eFeed.getChild("subtitle", getAtomNamespace());
if (e != null) {
final Content subtitle = new Content();
subtitle.setValue(parseTextConstructToString(e));
subtitle.setType(getAttributeValue(e, "type"));
feed.setSubtitle(subtitle);
}
e = eFeed.getChild("id", getAtomNamespace());
if (e != null) {
feed.setId(e.getText());
}
e = eFeed.getChild("generator", getAtomNamespace());
if (e != null) {
final Generator gen = new Generator();
gen.setValue(e.getText());
String att = getAttributeValue(e, "uri");
if (att != null) {
gen.setUrl(att);
}
att = getAttributeValue(e, "version");
if (att != null) {
gen.setVersion(att);
}
feed.setGenerator(gen);
}
e = eFeed.getChild("rights", getAtomNamespace());
if (e != null) {
feed.setRights(parseTextConstructToString(e));
}
e = eFeed.getChild("icon", getAtomNamespace());
if (e != null) {
feed.setIcon(e.getText());
}
e = eFeed.getChild("logo", getAtomNamespace());
if (e != null) {
feed.setLogo(e.getText());
}
e = eFeed.getChild("updated", getAtomNamespace());
if (e != null) {
feed.setUpdated(DateParser.parseDate(e.getText(), locale));
}
return feed;
}
@SuppressWarnings("unchecked")
private void addForeignMarkup(Feed feed, String name, String value) {
final Element elem = new Element(name);
elem.setText(String.valueOf(value));
((List) feed.getForeignMarkup()).add(elem);
}
