protected boolean informComplete(InputStream is) {
if (!result_informed) {
for (int i = 0; i < listeners.size(); i++) {
try {
if (!((ResourceDownloaderListener) listeners.get(i)).completed(this, is)) {
return (false);
}
} catch (Throwable e) {
Debug.printStackTrace(e);
return (false);
}
}
result_informed = true;
result_informed_data = is;
}
return (true);
}
protected void informActivity(String activity) {
for (int i = 0; i < listeners.size(); i++) {
try {
((ResourceDownloaderListener) listeners.get(i)).reportActivity(this, activity);
} catch (Throwable e) {
Debug.printStackTrace(e);
}
}
}
protected void informPercentDone(int percentage) {
for (int i = 0; i < listeners.size(); i++) {
try {
((ResourceDownloaderListener) listeners.get(i)).reportPercentComplete(this, percentage);
} catch (Throwable e) {
Debug.printStackTrace(e);
}
}
}
protected void informFailed(ResourceDownloaderException e) {
if (!result_informed) {
result_informed = true;
result_informed_data = e;
for (int i = 0; i < listeners.size(); i++) {
try {
((ResourceDownloaderListener) listeners.get(i)).failed(this, e);
} catch (Throwable f) {
Debug.printStackTrace(f);
}
}
}
}
protected void informAmountComplete(long amount) {
for (int i = 0; i < listeners.size(); i++) {
try {
((ResourceDownloaderListener) listeners.get(i)).reportAmountComplete(this, amount);
} catch (NoSuchMethodError e) {
// handle addition of this new method with old impls
} catch (AbstractMethodError e) {
// handle addition of this new method with old impls
} catch (Throwable e) {
Debug.printStackTrace(e);
}
}
}
public void addListener(ResourceDownloaderListener l) {
listeners.add(l);
if (result_informed) {
if (result_informed_data instanceof InputStream) {
l.completed(this, (InputStream) result_informed_data);
} else {
l.failed(this, (ResourceDownloaderException) result_informed_data);
}
}
}
public ResourceDownloaderAlternateImpl(
ResourceDownloaderBaseImpl _parent,
ResourceDownloader[] _delegates,
int _max_to_try,
boolean _random) {
super(_parent);
delegates = _delegates;
max_to_try = _max_to_try;
random = _random;
for (int i = 0; i < delegates.length; i++) {
((ResourceDownloaderBaseImpl) delegates[i]).setParent(this);
}
if (max_to_try < 0) {
max_to_try = delegates.length;
} else {
max_to_try = Math.min(max_to_try, delegates.length);
}
if (random) {
List l = new ArrayList(Arrays.asList(delegates));
delegates = new ResourceDownloader[delegates.length];
for (int i = 0; i < delegates.length; i++) {
delegates[i] = (ResourceDownloader) l.remove((int) (Math.random() * l.size()));
}
}
}
public void removeListener(ResourceDownloaderListener l) {
listeners.remove(l);
}
protected void removeChild(ResourceDownloaderBaseImpl kid) {
children.remove(kid);
}
protected void addChild(ResourceDownloaderBaseImpl kid) {
children.add(kid);
}
