@Override
public void run() {
try {
fetchImage(entry);
ImageSetter setter = entry.getSetter();
if (setter != null) {
setter.setImageRecursively(entry.imageEntry.image);
}
fetchEntryMap.remove(entry.getImageUrl());
} catch (InterruptedException e) {
logger.warn("Interrupted: {}", entry.url);
}
}
/**
* 画像を取得し、imageSetterを呼び出す。
*
* <p>フェッチに失敗したときは{@link ImageSetter#onException(Exception, ConnectionInfo)}が呼び出される
*
* @param imageSetter 画像セッター
* @param url URL
* @return キャッシュヒットしたかどうか
* @throws InterruptedException 割り込まれた。
*/
public boolean setImageIcon(ImageSetter imageSetter, URL url) throws InterruptedException {
String urlString = url.toString();
ImageEntry imageEntry = cachedImages.get(urlString);
if (imageEntry == null) {
FetchEntry fetchEntry = fetchEntryMap.get(urlString);
FetchEntry newEntry = null;
if (fetchEntry == null) {
newEntry = getFetchEntry(urlString, url);
fetchEntry = fetchEntryMap.putIfAbsent(urlString, newEntry);
}
if (fetchEntry == null) {
newEntry.addSetter(imageSetter);
configuration.addJob(JobQueue.PRIORITY_UI, new ImageFetcher(newEntry));
return false;
} else {
synchronized (fetchEntry) {
if (fetchEntry.isFinished()) {
imageEntry = fetchEntry.imageEntry;
} else {
fetchEntry.addSetter(imageSetter);
return false;
}
}
}
}
if (imageEntry instanceof ErrorImageEntry) {
return false;
} else {
imageSetter.setImageRecursively(imageEntry.image);
return true;
}
}