public void saveNewCache() {
if (CacheControl.cacheEnabled) {
getCacheControl().deleteCacheFile();
wmsLayer.imagesLock.lock();
for (GeorefImage image : wmsLayer.getImages()) {
getCacheControl().saveCache(image);
}
wmsLayer.imagesLock.unlock();
}
}
@Override
public void run() {
for (; ; ) {
while (getImagesToGrabSize() > 0) {
lockImagesToGrag.lock();
lockCurrentGrabImage.lock();
currentGrabImage = imagesToGrab.get(0);
lockCurrentGrabImage.unlock();
imagesToGrab.remove(0);
lockImagesToGrag.unlock();
if (canceled) {
break;
} else {
GeorefImage newImage;
try {
Main.map.repaint(); // paint the current grab box
newImage = grabber.grab(wmsLayer, currentGrabImage.min, currentGrabImage.max);
} catch (IOException e) {
Main.warn("Download action canceled by user or server did not respond");
setCanceled(true);
break;
} catch (OsmTransferException e) {
Main.error("OSM transfer failed");
setCanceled(true);
break;
}
if (grabber.getWmsInterface().downloadCanceled) {
Main.info("Download action canceled by user");
setCanceled(true);
break;
}
try {
if (CadastrePlugin.backgroundTransparent) {
wmsLayer.imagesLock.lock();
for (GeorefImage img : wmsLayer.getImages()) {
if (img.overlap(newImage))
// mask overlapping zone in already grabbed image
img.withdraw(newImage);
else
// mask overlapping zone in new image only when new image covers completely the
// existing image
newImage.withdraw(img);
}
wmsLayer.imagesLock.unlock();
}
wmsLayer.addImage(newImage);
Main.map.mapView.repaint();
saveToCache(newImage);
} catch (NullPointerException e) {
Main.info("Layer destroyed. Cancel grab thread");
setCanceled(true);
}
}
}
Main.info("grab thread list empty");
lockCurrentGrabImage.lock();
currentGrabImage = null;
lockCurrentGrabImage.unlock();
if (canceled) {
clearImagesToGrab();
canceled = false;
}
if (wmsLayer.isRaster()) {
notifyWaiter();
}
waitNotification();
}
}
