Examples with HttpPoll org.apache.jackrabbit.webdav.client.methods.HttpPoll used on opensource projects

Example 1 with HttpPoll

use of org.apache.jackrabbit.webdav.client.methods.HttpPoll in project jackrabbit by apache.

the class RepositoryServiceImpl method poll.

private EventBundle[] poll(String uri, String subscriptionId, long timeout, SessionInfoImpl sessionInfo) throws RepositoryException {
    HttpPoll request = null;
    try {
        request = new HttpPoll(uri, subscriptionId, timeout);
        HttpResponse response = executeRequest(sessionInfo, request);
        request.checkSuccess(response);
        EventDiscovery disc = request.getResponseBodyAsEventDiscovery(response);
        EventBundle[] events;
        if (disc.isEmpty()) {
            events = new EventBundle[0];
        } else {
            Element discEl = disc.toXml(DomUtil.createDocument());
            ElementIterator it = DomUtil.getChildren(discEl, ObservationConstants.N_EVENTBUNDLE);
            List<EventBundle> bundles = new ArrayList<EventBundle>();
            while (it.hasNext()) {
                Element bundleElement = it.nextElement();
                String value = DomUtil.getAttribute(bundleElement, ObservationConstants.XML_EVENT_LOCAL, null);
                // check if it matches a batch id recently submitted
                boolean isLocal = false;
                if (value != null) {
                    isLocal = Boolean.parseBoolean(value);
                }
                bundles.add(new EventBundleImpl(buildEventList(bundleElement, sessionInfo, uri), isLocal));
            }
            events = bundles.toArray(new EventBundle[bundles.size()]);
        }
        return events;
    } catch (IOException e) {
        throw new RepositoryException(e);
    } catch (ParserConfigurationException e) {
        throw new RepositoryException(e);
    } catch (DavException e) {
        throw ExceptionConverter.generate(e);
    } finally {
        if (request != null) {
            request.releaseConnection();
        }
    }
}