/**
* 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());
}
}
/**
* Loads the thumbnails for the passed collection of files.
*
* @param files The collection of files to handle.
*/
private void loadFSThumbnails(List files) {
List result = new ArrayList();
try {
ExperimenterData exp = (ExperimenterData) context.lookup(LookupNames.CURRENT_USER_DETAILS);
long id = exp.getId();
Map<DataObject, BufferedImage> m = service.getFSThumbnailSet(ctx, files, maxLength, id);
Entry<DataObject, BufferedImage> entry;
Iterator<Entry<DataObject, BufferedImage>> i = m.entrySet().iterator();
BufferedImage thumb;
DataObject obj;
boolean valid = true;
FileData f;
while (i.hasNext()) {
entry = i.next();
obj = entry.getKey();
thumb = entry.getValue();
if (thumb == null) {
thumb = Factory.createDefaultImageThumbnail(Factory.IMAGE_ICON);
}
if (obj.getId() > 0) result.add(new ThumbnailData(obj.getId(), thumb, valid));
else result.add(new ThumbnailData(obj, thumb, valid));
}
currentThumbs = result;
} catch (Exception e) {
currentThumbs = result;
context.getLogger().error(this, "Cannot retrieve thumbnail: " + e.getMessage());
}
}