Examples with ParserException net.fortuna.ical4j.data.ParserException used on opensource projects

Example 6 with ParserException

use of net.fortuna.ical4j.data.ParserException in project openhab1-addons by openhab.

the class EventReloaderJob method loadEvents.

/**
     * all events which are available must be removed from the oldEventIds list
     *
     * @param calendarRuntime
     * @param oldEventIds
     * @throws IOException
     * @throws ParserException
     */
public synchronized void loadEvents(final CalendarRuntime calendarRuntime, final List<String> oldEventIds) throws IOException, ParserException {
    CalDavConfig config = calendarRuntime.getConfig();
    Sardine sardine = Util.getConnection(config);
    List<DavResource> list = sardine.list(config.getUrl(), 1, false);
    log.trace("before load events : oldeventsid contains : {}", oldEventIds.toString());
    for (DavResource resource : list) {
        final String filename = Util.getFilename(resource.getName());
        try {
            if (resource.isDirectory()) {
                continue;
            }
            // an ics file can contain multiple events
            // ==> multiple eventcontainers could have the same filename (and different eventid),
            // ==>we must not have one of them remaining in oldEventIds var (bad chosen name, cause it's a list of
            // oldEventContainers's filename, so with doubles possible)
            // or the remaining jobs with this filename will get unscheduled on the "removeDeletedEvents(config,
            // oldEventIds)" call (line 136)
            oldEventIds.removeAll(Arrays.asList(filename));
            // must not be loaded
            EventContainer eventContainer = calendarRuntime.getEventContainerByFilename(filename);
            final org.joda.time.DateTime lastResourceChangeFS = new org.joda.time.DateTime(resource.getModified());
            log.trace("eventContainer found: {}", eventContainer != null);
            log.trace("last resource modification: {}", lastResourceChangeFS);
            log.trace("last change of already loaded event: {}", eventContainer != null ? eventContainer.getLastChanged() : null);
            if (config.isLastModifiedFileTimeStampValid()) {
                if (eventContainer != null && !lastResourceChangeFS.isAfter(eventContainer.getLastChanged())) {
                    // to be created
                    if (eventContainer.getCalculatedUntil() != null && eventContainer.getCalculatedUntil().isAfter(org.joda.time.DateTime.now().plusMinutes(config.getReloadMinutes()))) {
                        // the event is calculated as long as the next reload
                        // interval can handle this
                        log.trace("skipping resource {}, not changed (calculated until: {})", resource.getName(), eventContainer.getCalculatedUntil());
                        continue;
                    }
                    if (eventContainer.isHistoricEvent()) {
                        // no more upcoming events, do nothing
                        log.trace("skipping resource {}, not changed (historic)", resource.getName());
                        continue;
                    }
                    File icsFile = Util.getCacheFile(config.getKey(), filename);
                    if (icsFile != null && icsFile.exists()) {
                        FileInputStream fis = new FileInputStream(icsFile);
                        this.loadEvents(filename, lastResourceChangeFS, fis, config, oldEventIds, false);
                        fis.close();
                        continue;
                    }
                }
            }
            log.debug("loading resource: {} (FSchangedTS not valid)", resource);
            // prepare resource url
            URL url = new URL(config.getUrl());
            String resourcePath = resource.getPath();
            String escapedResource = resource.getName().replaceAll("/", "%2F");
            resourcePath = resourcePath.replace(resource.getName(), escapedResource);
            url = new URL(url.getProtocol(), url.getHost(), url.getPort(), resourcePath);
            InputStream inputStream = sardine.get(url.toString().replaceAll(" ", "%20"));
            this.loadEvents(filename, lastResourceChangeFS, inputStream, config, oldEventIds, false);
        } catch (ParserException e) {
            log.error("error parsing ics file: " + filename, e);
        } catch (SardineException e) {
            log.error("error reading ics file: " + filename, e);
        }
    }
    log.trace("after load events : oldeventsid contains : {}", oldEventIds.toString());
}