@SuppressWarnings("squid:S1244")
private static String selectBestEncoding(String acceptEncodingHeader) {
// multiple encodings are accepted; determine best one
Collection<String> bestEncodings = new HashSet<>(3);
double bestQ = 0.0;
Collection<String> unacceptableEncodings = new HashSet<>(3);
boolean willAcceptAnything = false;
for (String token : COMMA.split(acceptEncodingHeader)) {
ContentEncodingQ contentEncodingQ = parseContentEncodingQ(token);
String contentEncoding = contentEncodingQ.getContentEncoding();
double q = contentEncodingQ.getQ();
if (ANY_ENCODING.equals(contentEncoding)) {
willAcceptAnything = q > 0.0;
} else if (SUPPORTED_ENCODINGS.contains(contentEncoding)) {
if (q > 0.0) {
// This is a header quality comparison.
// So it is safe to suppress warning squid:S1244
if (q == bestQ) {
bestEncodings.add(contentEncoding);
} else if (q > bestQ) {
bestQ = q;
bestEncodings.clear();
bestEncodings.add(contentEncoding);
}
} else {
unacceptableEncodings.add(contentEncoding);
}
}
}
if (bestEncodings.isEmpty()) {
// nothing was acceptable to us
if (willAcceptAnything) {
if (unacceptableEncodings.isEmpty()) {
return SUPPORTED_ENCODINGS.get(0);
} else {
for (String encoding : SUPPORTED_ENCODINGS) {
if (!unacceptableEncodings.contains(encoding)) {
return encoding;
}
}
}
}
} else {
for (String encoding : SUPPORTED_ENCODINGS) {
if (bestEncodings.contains(encoding)) {
return encoding;
}
}
}
return NO_ENCODING;
}
// XXX: add support for uploading sketches using a programmer
public boolean uploadUsingPreferences(String buildPath, String className) throws RunnerException {
String uploadUsing = Preferences.get("boards." + Preferences.get("board") + ".upload.using");
if (uploadUsing == null) {
// fall back on global preference
uploadUsing = Preferences.get("upload.using");
}
if (uploadUsing.equals("bootloader")) {
return uploadViaBootloader(buildPath, className);
} else {
Collection params = getProgrammerCommands(uploadUsing);
params.add("-Uflash:w:" + buildPath + File.separator + className + ".hex:i");
return avrdude(params);
}
}
protected void loadAirspacesFromPath(String path, Collection<Airspace> airspaces) {
File file = ExampleUtil.saveResourceToTempFile(path, ".zip");
if (file == null) return;
try {
ZipFile zipFile = new ZipFile(file);
ZipEntry entry = null;
for (Enumeration<? extends ZipEntry> e = zipFile.entries();
e.hasMoreElements();
entry = e.nextElement()) {
if (entry == null) continue;
String name = WWIO.getFilename(entry.getName());
if (!(name.startsWith("gov.nasa.worldwind.render.airspaces") && name.endsWith(".xml")))
continue;
String[] tokens = name.split("-");
try {
Class c = Class.forName(tokens[0]);
Airspace airspace = (Airspace) c.newInstance();
BufferedReader input =
new BufferedReader(new InputStreamReader(zipFile.getInputStream(entry)));
String s = input.readLine();
airspace.restoreState(s);
airspaces.add(airspace);
if (tokens.length >= 2) {
airspace.setValue(AVKey.DISPLAY_NAME, tokens[1]);
}
} catch (Exception ex) {
ex.printStackTrace();
}
}
} catch (IOException e) {
e.printStackTrace();
}
}
/**
* Decode file charset.
*
* @param f File to process.
* @return File charset.
* @throws IOException in case of error.
*/
public static Charset decode(File f) throws IOException {
SortedMap<String, Charset> charsets = Charset.availableCharsets();
String[] firstCharsets = {
Charset.defaultCharset().name(), "US-ASCII", "UTF-8", "UTF-16BE", "UTF-16LE"
};
Collection<Charset> orderedCharsets = U.newLinkedHashSet(charsets.size());
for (String c : firstCharsets)
if (charsets.containsKey(c)) orderedCharsets.add(charsets.get(c));
orderedCharsets.addAll(charsets.values());
try (RandomAccessFile raf = new RandomAccessFile(f, "r")) {
FileChannel ch = raf.getChannel();
ByteBuffer buf = ByteBuffer.allocate(4096);
ch.read(buf);
buf.flip();
for (Charset charset : orderedCharsets) {
CharsetDecoder decoder = charset.newDecoder();
decoder.reset();
try {
decoder.decode(buf);
return charset;
} catch (CharacterCodingException ignored) {
}
}
}
return Charset.defaultCharset();
}
/**
* Grabs local events and detects if events was lost since last poll.
*
* @param ignite Target grid.
* @param evtOrderKey Unique key to take last order key from node local map.
* @param evtThrottleCntrKey Unique key to take throttle count from node local map.
* @param evtTypes Event types to collect.
* @param evtMapper Closure to map grid events to Visor data transfer objects.
* @return Collections of node events
*/
public static Collection<VisorGridEvent> collectEvents(
Ignite ignite,
String evtOrderKey,
String evtThrottleCntrKey,
final int[] evtTypes,
IgniteClosure<Event, VisorGridEvent> evtMapper) {
assert ignite != null;
assert evtTypes != null && evtTypes.length > 0;
ConcurrentMap<String, Long> nl = ignite.cluster().nodeLocalMap();
final long lastOrder = getOrElse(nl, evtOrderKey, -1L);
final long throttle = getOrElse(nl, evtThrottleCntrKey, 0L);
// When we first time arrive onto a node to get its local events,
// we'll grab only last those events that not older than given period to make sure we are
// not grabbing GBs of data accidentally.
final long notOlderThan = System.currentTimeMillis() - EVENTS_COLLECT_TIME_WINDOW;
// Flag for detecting gaps between events.
final AtomicBoolean lastFound = new AtomicBoolean(lastOrder < 0);
IgnitePredicate<Event> p =
new IgnitePredicate<Event>() {
/** */
private static final long serialVersionUID = 0L;
@Override
public boolean apply(Event e) {
// Detects that events were lost.
if (!lastFound.get() && (lastOrder == e.localOrder())) lastFound.set(true);
// Retains events by lastOrder, period and type.
return e.localOrder() > lastOrder
&& e.timestamp() > notOlderThan
&& F.contains(evtTypes, e.type());
}
};
Collection<Event> evts = ignite.events().localQuery(p);
// Update latest order in node local, if not empty.
if (!evts.isEmpty()) {
Event maxEvt = Collections.max(evts, EVTS_ORDER_COMPARATOR);
nl.put(evtOrderKey, maxEvt.localOrder());
}
// Update throttle counter.
if (!lastFound.get())
nl.put(evtThrottleCntrKey, throttle == 0 ? EVENTS_LOST_THROTTLE : throttle - 1);
boolean lost = !lastFound.get() && throttle == 0;
Collection<VisorGridEvent> res = new ArrayList<>(evts.size() + (lost ? 1 : 0));
if (lost) res.add(new VisorGridEventsLost(ignite.cluster().localNode().id()));
for (Event e : evts) {
VisorGridEvent visorEvt = evtMapper.apply(e);
if (visorEvt != null) res.add(visorEvt);
}
return res;
}
