public void performRequest(
IRequestListener<XmlableString> listener, HashMap<long[], XmlableString> storedData) {
long[] key = new long[2];
key[0] = get2DP(latitude);
key[1] = get2DP(longitude);
if (storedData.containsKey(key) && !storedData.get(key).outOfDate()) {
listener.onRequestComplete(storedData.get(key));
} else {
Geocoder gc = new Geocoder(applicationContext);
XmlableString place = null;
try {
List<Address> list = gc.getFromLocation(latitude, longitude, 5);
int i = 0;
while (i < list.size()) {
String temp = list.get(i).getLocality();
if (temp != null) {
place = new XmlableString(temp);
break;
}
i++;
}
if (place != null) {
storedData.put(key, place);
}
listener.onRequestComplete(place);
}
// This is thrown if the phone has no Internet connection.
catch (IOException e) {
listener.onRequestFail(e);
}
}
}
private void internalInvoke(final Component component, final Object target) {
// save a reference to the page because the component can be removed
// during the invocation of the listener and thus lose its parent
Page page = component.getPage();
// initialization is required for stateless pages
if (!page.isInitialized()) {
page.internalInitialize();
}
((IRequestListener) target).onRequest();
}
