protected Image getImage(Object element) {
if (!(element instanceof Attachment)) {
return null;
}
Attachment attachment = (Attachment) element;
Image thumb = null;
if (Arrays.asList(Attachment.getImageMimeTypes()).contains(attachment.getMimeType())) {
Element cacheElement = getCache().get(attachment.getDbId());
if (cacheElement != null) {
// != is correct here
if (cacheElement.getObjectValue() != EMPTY_CACHE_ELEMENT) {
ImageData imageData = (ImageData) cacheElement.getObjectValue();
thumb = new Image(FileView.getDisplay(), imageData);
}
} else {
byte[] fileData = loadFileData(attachment);
thumb = createImage(fileData);
if (thumb != null) {
getCache().put(new Element(attachment.getDbId(), thumb.getImageData()));
} else {
getCache().put(new Element(attachment.getDbId(), EMPTY_CACHE_ELEMENT));
}
}
}
return thumb;
}
