/**
* @param placeNameServiceSet the set of PlaceNameService objects that PlaceNameLayer will render.
* @throws IllegalArgumentException if {@link
* gov.nasa.worldwind.layers.placename.PlaceNameServiceSet} is null
*/
public PlaceNameLayer(PlaceNameServiceSet placeNameServiceSet) {
if (placeNameServiceSet == null) {
String message = Logging.getMessage("nullValue.PlaceNameServiceSetIsNull");
Logging.logger().fine(message);
throw new IllegalArgumentException(message);
}
//
this.placeNameServiceSet = placeNameServiceSet.deepCopy();
for (int i = 0; i < this.placeNameServiceSet.getServiceCount(); i++) {
// todo do this for long as well and pick min
int calc1 =
(int)
(PlaceNameService.TILING_SECTOR.getDeltaLatDegrees()
/ this.placeNameServiceSet
.getService(i)
.getTileDelta()
.getLatitude()
.getDegrees());
int numLevels = (int) Math.log(calc1);
navTiles.add(
new NavigationTile(
this.placeNameServiceSet.getService(i),
PlaceNameService.TILING_SECTOR,
numLevels,
"top"));
}
if (!WorldWind.getMemoryCacheSet().containsCache(Tile.class.getName())) {
long size = Configuration.getLongValue(AVKey.PLACENAME_LAYER_CACHE_SIZE, 2000000L);
MemoryCache cache = new BasicMemoryCache((long) (0.85 * size), size);
cache.setName("Placename Tiles");
WorldWind.getMemoryCacheSet().addCache(Tile.class.getName(), cache);
}
}
protected void sendRequests() {
Runnable task = this.requestQ.poll();
while (task != null) {
if (!WorldWind.getTaskService().isFull()) {
WorldWind.getTaskService().addTask(task);
}
task = this.requestQ.poll();
}
}
protected boolean loadTile(Tile tile, java.net.URL url) {
if (WWIO.isFileOutOfDate(url, this.placeNameServiceSet.getExpiryTime())) {
// The file has expired. Delete it then request download of newer.
this.getDataFileStore().removeFile(url);
String message = Logging.getMessage("generic.DataFileExpired", url);
Logging.logger().fine(message);
return false;
}
PlaceNameChunk tileData;
synchronized (this.fileLock) {
tileData = readTileData(tile, url);
}
if (tileData == null) {
// Assume that something's wrong with the file and delete it.
this.getDataFileStore().removeFile(url);
tile.getPlaceNameService()
.markResourceAbsent(tile.getPlaceNameService().getTileNumber(tile.row, tile.column));
String message = Logging.getMessage("generic.DeletedCorruptDataFile", url);
Logging.logger().fine(message);
return false;
}
tile.setDataChunk(tileData);
WorldWind.getMemoryCache(Tile.class.getName()).add(tile.getFileCachePath(), tile);
return true;
}
public List<Tile> getTiles() {
if (tileKeys.isEmpty()) {
Tile[] tiles = buildTiles(this.placeNameService, this);
// load tileKeys
for (Tile t : tiles) {
tileKeys.add(t.getFileCachePath());
WorldWind.getMemoryCache(Tile.class.getName()).add(t.getFileCachePath(), t);
}
return Arrays.asList(tiles);
} else {
List<Tile> dataTiles = new ArrayList<Tile>();
for (String s : tileKeys) {
Tile t = (Tile) WorldWind.getMemoryCache(Tile.class.getName()).getObject(s);
if (t != null) {
dataTiles.add(t);
}
}
return dataTiles;
}
}
protected void downloadTile(final Tile tile, DownloadPostProcessor postProcessor) {
if (!this.isNetworkRetrievalEnabled()) return;
if (!WorldWind.getRetrievalService().isAvailable()) return;
java.net.URL url;
try {
url = tile.getRequestURL();
if (WorldWind.getNetworkStatus().isHostUnavailable(url)) return;
} catch (java.net.MalformedURLException e) {
Logging.logger()
.log(
java.util.logging.Level.SEVERE,
Logging.getMessage("layers.PlaceNameLayer.ExceptionCreatingUrl", tile),
e);
return;
}
Retriever retriever;
if ("http".equalsIgnoreCase(url.getProtocol()) || "https".equalsIgnoreCase(url.getProtocol())) {
if (postProcessor == null) postProcessor = new DownloadPostProcessor(this, tile);
retriever = new HTTPRetriever(url, postProcessor);
} else {
Logging.logger()
.severe(
Logging.getMessage("layers.PlaceNameLayer.UnknownRetrievalProtocol", url.toString()));
return;
}
// Apply any overridden timeouts.
Integer cto = AVListImpl.getIntegerValue(this, AVKey.URL_CONNECT_TIMEOUT);
if (cto != null && cto > 0) retriever.setConnectTimeout(cto);
Integer cro = AVListImpl.getIntegerValue(this, AVKey.URL_READ_TIMEOUT);
if (cro != null && cro > 0) retriever.setReadTimeout(cro);
Integer srl = AVListImpl.getIntegerValue(this, AVKey.RETRIEVAL_QUEUE_STALE_REQUEST_LIMIT);
if (srl != null && srl > 0) retriever.setStaleRequestLimit(srl);
WorldWind.getRetrievalService().runRetriever(retriever, tile.getPriority());
}
/**
* Create a layer described by an XML layer description.
*
* @param domElement the XML element describing the layer to create.
* @param params any parameters to apply when creating the layer.
* @return a new layer
* @throws WWUnrecognizedException if the layer type or service type given in the describing
* element is unrecognized.
* @see #createTiledImageLayer(org.w3c.dom.Element, gov.nasa.worldwind.avlist.AVList).
*/
protected Layer createFromLayerDocument(Element domElement, AVList params) {
String className = WWXML.getText(domElement, "@className");
if (className != null && className.length() > 0) {
Layer layer = (Layer) WorldWind.createComponent(className);
String actuate = WWXML.getText(domElement, "@actuate");
layer.setEnabled(WWUtil.isEmpty(actuate) || actuate.equals("onLoad"));
WWXML.invokePropertySetters(layer, domElement);
return layer;
}
AVList props = WWXML.copyProperties(domElement, null);
if (props != null) { // Copy params and add any properties for this layer to the copy
if (params != null) props.setValues(params);
params = props;
}
Layer layer;
String href = WWXML.getText(domElement, "@href");
if (href != null && href.length() > 0) {
Object o = this.createFromConfigSource(href, params);
if (o == null) return null;
if (!(o instanceof Layer)) {
String msg =
Logging.getMessage("LayerFactory.UnexpectedTypeForLayer", o.getClass().getName());
throw new WWRuntimeException(msg);
}
layer = (Layer) o;
} else {
String layerType = WWXML.getText(domElement, "@layerType");
if (layerType != null && layerType.equals("TiledImageLayer")) {
layer = this.createTiledImageLayer(domElement, params);
} else {
String msg = Logging.getMessage("generic.UnrecognizedLayerType", layerType);
throw new WWUnrecognizedException(msg);
}
}
if (layer != null) {
String actuate = WWXML.getText(domElement, "@actuate");
layer.setEnabled(actuate != null && actuate.equals("onLoad"));
WWXML.invokePropertySetters(layer, domElement);
}
return layer;
}
protected boolean isTileInMemoryWithData() {
Tile t =
(Tile) WorldWind.getMemoryCache(Tile.class.getName()).getObject(this.getFileCachePath());
return !(t == null || t.getDataChunk() == null);
}