/**
* Load the cached menu entries. If the cache is not set it will return null (beware of
* NullPointerExceptions)
*/
@SuppressWarnings("unchecked")
public static DelayedRequester load(Context ctx) throws IOException {
FileInputStream fis = ctx.openFileInput(CACHE_ID);
ObjectInputStream ois = new ObjectInputStream(fis);
DelayedRequester req = new DelayedRequester();
try {
String db = (String) ois.readObject();
if (!db.equals(Configure.getDatabaseCode(ctx))) {
// The record is not for the current database
ois.close();
return null;
}
int tempId = ois.readInt();
int size = ois.readInt();
for (int i = 0; i < size; i++) {
int cmdCode = ois.readInt();
byte[] byteData = (byte[]) ois.readObject();
Model data = Model.fromByteArray(byteData);
boolean hasView = ois.readBoolean();
ModelView view = null;
if (hasView) {
byteData = (byte[]) ois.readObject();
view = ModelView.fromByteArray(byteData);
ArchParser p = new ArchParser(view);
p.buildTree();
}
Command cmd = new Command(cmdCode, data, view);
req.queue.add(cmd);
}
req.updateNotification(ctx);
} catch (ClassNotFoundException cnfe) {
// Should never happen
} catch (ClassCastException cce) {
// Cache structure altered
req = null;
}
ois.close();
return req;
}
