use of javax.jcr.observation.Event in project jackrabbit by apache.
the class EventJournalResourceImpl method spool.
@Override
public void spool(OutputContext outputContext) throws IOException {
Calendar cal = Calendar.getInstance(Locale.ENGLISH);
try {
outputContext.setContentType("application/atom+xml; charset=UTF-8");
outputContext.setProperty("Vary", "If-None-Match");
// TODO: Content-Encoding: gzip
// find out where to start
long prevts = -1;
String inm = request.getHeader("If-None-Match");
if (inm != null) {
// TODO: proper parsing when comma-delimited
inm = inm.trim();
if (inm.startsWith("\"") && inm.endsWith("\"")) {
String tmp = inm.substring(1, inm.length() - 1);
try {
prevts = Long.parseLong(tmp, 16);
journal.skipTo(prevts);
} catch (NumberFormatException ex) {
// broken etag
}
}
}
boolean hasPersistEvents = false;
if (outputContext.hasStream()) {
long lastts = -1;
long now = System.currentTimeMillis();
boolean done = false;
// collect events
List<Event> events = new ArrayList<Event>(MAXEV);
while (!done && journal.hasNext()) {
Event e = journal.nextEvent();
hasPersistEvents |= e.getType() == Event.PERSIST;
if (e.getDate() != lastts) {
// consider stopping
if (events.size() > MAXEV) {
done = true;
}
if (e.getDate() > now + MAXWAIT) {
done = true;
}
}
if (!done && (prevts == -1 || e.getDate() >= prevts)) {
events.add(e);
}
lastts = e.getDate();
}
if (lastts >= 0) {
// construct ETag from newest event
outputContext.setETag("\"" + Long.toHexString(lastts) + "\"");
}
OutputStream os = outputContext.getOutputStream();
StreamResult streamResult = new StreamResult(os);
SAXTransformerFactory tf = (SAXTransformerFactory) TransformerFactory.newInstance();
TransformerHandler th = tf.newTransformerHandler();
Transformer s = th.getTransformer();
s.setOutputProperty(OutputKeys.ENCODING, "UTF-8");
s.setOutputProperty(OutputKeys.INDENT, "yes");
s.setOutputProperty(OutputKeys.OMIT_XML_DECLARATION, "yes");
th.setResult(streamResult);
th.startDocument();
th.startElement(ATOMNS, FEED, FEED, NOATTRS);
writeAtomElement(th, TITLE, "EventJournal for " + getLocator().getWorkspaceName());
th.startElement(ATOMNS, AUTHOR, AUTHOR, NOATTRS);
writeAtomElement(th, NAME, "Jackrabbit Event Journal Feed Generator");
th.endElement(ATOMNS, AUTHOR, AUTHOR);
String id = getFullUri(request);
writeAtomElement(th, ID, id);
AttributesImpl linkattrs = new AttributesImpl();
linkattrs.addAttribute(null, "self", "self", "CDATA", id);
writeAtomElement(th, LINK, linkattrs, null);
cal.setTimeInMillis(lastts >= 0 ? lastts : now);
String upd = ISO8601.format(cal);
writeAtomElement(th, UPDATED, upd);
String lastDateString = "";
long lastTimeStamp = 0;
long index = 0;
AttributesImpl contentatt = new AttributesImpl();
contentatt.addAttribute(null, "type", "type", "CDATA", EVENTMEDIATYPE);
while (!events.isEmpty()) {
List<Event> bundle = null;
String path = null;
String op;
if (hasPersistEvents) {
bundle = new ArrayList<Event>();
Event e = null;
op = "operations";
do {
e = events.remove(0);
bundle.add(e);
// compute common path
if (path == null) {
path = e.getPath();
} else {
if (e.getPath() != null && e.getPath().length() < path.length()) {
path = e.getPath();
}
}
} while (e.getType() != Event.PERSIST && !events.isEmpty());
} else {
// no persist events
Event e = events.remove(0);
bundle = Collections.singletonList(e);
path = e.getPath();
op = EventUtil.getEventName(e.getType());
}
Event firstEvent = bundle.get(0);
String entryupd = lastDateString;
if (lastTimeStamp != firstEvent.getDate()) {
cal.setTimeInMillis(firstEvent.getDate());
entryupd = ISO8601.format(cal);
index = 0;
} else {
index += 1;
}
th.startElement(ATOMNS, ENTRY, ENTRY, NOATTRS);
String entrytitle = op + (path != null ? (": " + path) : "");
writeAtomElement(th, TITLE, entrytitle);
String entryid = id + "?type=journal&ts=" + Long.toHexString(firstEvent.getDate()) + "-" + index;
writeAtomElement(th, ID, entryid);
String author = firstEvent.getUserID() == null || firstEvent.getUserID().length() == 0 ? null : firstEvent.getUserID();
if (author != null) {
th.startElement(ATOMNS, AUTHOR, AUTHOR, NOATTRS);
writeAtomElement(th, NAME, author);
th.endElement(ATOMNS, AUTHOR, AUTHOR);
}
writeAtomElement(th, UPDATED, entryupd);
th.startElement(ATOMNS, CONTENT, CONTENT, contentatt);
for (Event e : bundle) {
// serialize the event
th.startElement(EVNS, E_EVENT, E_EVENT, NOATTRS);
// DAV:href
if (e.getPath() != null) {
boolean isCollection = (e.getType() == Event.NODE_ADDED || e.getType() == Event.NODE_REMOVED);
String href = locator.getFactory().createResourceLocator(locator.getPrefix(), locator.getWorkspacePath(), e.getPath(), false).getHref(isCollection);
th.startElement(DavConstants.NAMESPACE.getURI(), DavConstants.XML_HREF, DavConstants.XML_HREF, NOATTRS);
th.characters(href.toCharArray(), 0, href.length());
th.endElement(DavConstants.NAMESPACE.getURI(), DavConstants.XML_HREF, DavConstants.XML_HREF);
}
// event type
String evname = EventUtil.getEventName(e.getType());
th.startElement(EVNS, E_EVENTTYPE, E_EVENTTYPE, NOATTRS);
th.startElement(EVNS, evname, evname, NOATTRS);
th.endElement(EVNS, evname, evname);
th.endElement(EVNS, E_EVENTTYPE, E_EVENTTYPE);
// date
writeObsElement(th, E_EVENTDATE, Long.toString(e.getDate()));
// user data
if (e.getUserData() != null && e.getUserData().length() > 0) {
writeObsElement(th, E_EVENTUSERDATA, firstEvent.getUserData());
}
// try to compute nodetype information
if (e instanceof AdditionalEventInfo) {
try {
Name pnt = ((AdditionalEventInfo) e).getPrimaryNodeTypeName();
if (pnt != null) {
writeObsElement(th, E_EVENTPRIMARNODETYPE, pnt.toString());
}
Set<Name> mixins = ((AdditionalEventInfo) e).getMixinTypeNames();
if (mixins != null) {
for (Name mixin : mixins) {
writeObsElement(th, E_EVENTMIXINNODETYPE, mixin.toString());
}
}
} catch (UnsupportedRepositoryOperationException ex) {
// optional
}
}
// identifier
if (e.getIdentifier() != null) {
writeObsElement(th, E_EVENTIDENTIFIER, e.getIdentifier());
}
// info
if (!e.getInfo().isEmpty()) {
th.startElement(EVNS, E_EVENTINFO, E_EVENTINFO, NOATTRS);
Map<?, ?> m = e.getInfo();
for (Map.Entry<?, ?> entry : m.entrySet()) {
String key = entry.getKey().toString();
Object value = entry.getValue();
String t = value != null ? value.toString() : null;
writeElement(th, null, key, NOATTRS, t);
}
th.endElement(EVNS, E_EVENTINFO, E_EVENTINFO);
}
th.endElement(EVNS, E_EVENT, E_EVENT);
lastTimeStamp = e.getDate();
lastDateString = entryupd;
}
th.endElement(ATOMNS, CONTENT, CONTENT);
th.endElement(ATOMNS, ENTRY, ENTRY);
}
th.endElement(ATOMNS, FEED, FEED);
th.endDocument();
os.flush();
}
} catch (Exception ex) {
throw new IOException("error generating feed: " + ex.getMessage());
}
}
use of javax.jcr.observation.Event in project jackrabbit by apache.
the class RetentionRegistryImpl method onEvent.
//-------------------------------------------< SynchronousEventListener >---
/**
* @param events Events reporting hold/retention policy changes.
*/
public void onEvent(EventIterator events) {
while (events.hasNext()) {
Event ev = events.nextEvent();
try {
Path evPath = session.getQPath(ev.getPath());
Path nodePath = evPath.getAncestor(1);
Name propName = evPath.getName();
if (RetentionManagerImpl.REP_HOLD.equals(propName)) {
// hold changes
switch(ev.getType()) {
case Event.PROPERTY_ADDED:
case Event.PROPERTY_CHANGED:
// build the Hold objects from the rep:hold property
// and put them into the hold map.
PropertyImpl p = (PropertyImpl) session.getProperty(ev.getPath());
addHolds(nodePath, p);
break;
case Event.PROPERTY_REMOVED:
// all holds present on this node were remove
// -> remove the corresponding entry in the holdMap.
removeHolds(nodePath);
break;
}
} else if (RetentionManagerImpl.REP_RETENTION_POLICY.equals(propName)) {
// retention policy changes
switch(ev.getType()) {
case Event.PROPERTY_ADDED:
case Event.PROPERTY_CHANGED:
// build the RetentionPolicy objects from the rep:retentionPolicy property
// and put it into the retentionMap.
PropertyImpl p = (PropertyImpl) session.getProperty(ev.getPath());
addRetentionPolicy(nodePath, p);
break;
case Event.PROPERTY_REMOVED:
// retention policy present on this node was remove
// -> remove the corresponding entry in the retentionMap.
removeRetentionPolicy(nodePath);
break;
}
}
// else: not interested in any other property -> ignore.
} catch (RepositoryException e) {
log.warn("Internal error while processing event. {}", e.getMessage());
// ignore.
}
}
}
use of javax.jcr.observation.Event in project jackrabbit by apache.
the class VersionEventsTest method testRemoveVersion.
/**
* Test if removing a version triggers two node removed events: one for the
* version and one for the frozen node.
*/
public void testRemoveVersion() throws RepositoryException {
// create versionable node
Node n1 = testRootNode.addNode(nodeName1);
n1.addMixin(mixVersionable);
testRootNode.save();
Version v = n1.checkin();
String versionPath = v.getPath();
n1.remove();
testRootNode.save();
EventResult listener = new EventResult(log);
addEventListener(listener, Event.NODE_REMOVED);
v.getContainingHistory().removeVersion(v.getName());
removeEventListener(listener);
Event[] events = listener.getEvents(1000);
Set paths = new HashSet();
for (int i = 0; i < events.length; i++) {
paths.add(events[i].getPath());
}
assertTrue("missing 'node removed' event: " + versionPath, paths.contains(versionPath));
String frozenPath = versionPath + "/" + jcrFrozenNode;
assertTrue("missing 'node removed' event: " + frozenPath, paths.contains(frozenPath));
}
use of javax.jcr.observation.Event in project jackrabbit by apache.
the class VersionEventsTest method testXARemoveVersion.
/**
* Test if removing a version in an XA transaction triggers two node removed
* events: one for the version and one for the frozen node.
*/
public void testXARemoveVersion() throws Exception {
// create versionable node
Node n1 = testRootNode.addNode(nodeName1);
n1.addMixin(mixVersionable);
testRootNode.save();
Version v = n1.checkin();
String versionPath = v.getPath();
n1.remove();
testRootNode.save();
EventResult listener = new EventResult(log);
addEventListener(listener, Event.NODE_REMOVED);
// use a transaction
UserTransaction utx = new UserTransactionImpl(superuser);
// start transaction
utx.begin();
v.getContainingHistory().removeVersion(v.getName());
// commit transaction
utx.commit();
removeEventListener(listener);
Event[] events = listener.getEvents(1000);
Set paths = new HashSet();
for (int i = 0; i < events.length; i++) {
paths.add(events[i].getPath());
}
assertTrue("missing 'node removed' event: " + versionPath, paths.contains(versionPath));
String frozenPath = versionPath + "/" + jcrFrozenNode;
assertTrue("missing 'node removed' event: " + frozenPath, paths.contains(frozenPath));
}
use of javax.jcr.observation.Event in project jackrabbit by apache.
the class MixinTest method testMultipleMixin.
/**
* Tests event filtering with multiple mixin type name.
*/
public void testMultipleMixin() throws RepositoryException {
testRootNode.addNode(nodeName1, testNodeType).addMixin(mixReferenceable);
testRootNode.addNode(nodeName2, testNodeType).addMixin(mixLockable);
testRootNode.addNode(nodeName3, testNodeType).addMixin(mixReferenceable);
testRootNode.save();
EventResult propertyAddedListener = new EventResult(log);
addEventListener(propertyAddedListener, new String[] { mixReferenceable, mixLockable }, Event.PROPERTY_ADDED);
try {
testRootNode.getNode(nodeName1).setProperty(propertyName1, "test");
testRootNode.getNode(nodeName2).setProperty(propertyName1, "test");
testRootNode.getNode(nodeName3).setProperty(propertyName1, "test");
testRootNode.save();
Event[] added = propertyAddedListener.getEvents(DEFAULT_WAIT_TIMEOUT);
checkPropertyAdded(added, new String[] { nodeName1 + "/" + propertyName1, nodeName2 + "/" + propertyName1, nodeName3 + "/" + propertyName1 });
} finally {
removeEventListener(propertyAddedListener);
}
}
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