/**
* Loads the thumbnail for passed collection of pixels set.
*
* @param ids The collection of pixels set id.
*/
private void loadThumbnails(List ids) {
try {
Map<Long, BufferedImage> m = service.getThumbnailSet(ctx, ids, maxLength);
List<Object> result = new ArrayList<Object>();
Iterator<Long> i = m.keySet().iterator();
long pixelsID;
BufferedImage thumbPix;
DataObject obj;
boolean valid = true;
long imageID = -1;
PixelsData pxd = null;
while (i.hasNext()) {
pixelsID = i.next();
obj = input.get(pixelsID);
if (obj instanceof ImageData) {
imageID = ((ImageData) obj).getId();
pxd = ((ImageData) obj).getDefaultPixels();
} else if (obj instanceof PixelsData) {
pxd = (PixelsData) obj;
imageID = pxd.getImage().getId();
}
if (pxd != null) {
thumbPix = (BufferedImage) m.get(pixelsID);
if (thumbPix == null) thumbPix = createDefaultImage(pxd);
result.add(new ThumbnailData(imageID, thumbPix, valid));
}
}
currentThumbs = result;
} catch (RenderingServiceException e) {
context.getLogger().error(this, "Cannot retrieve thumbnail: " + e.getExtendedMessage());
}
}
