import java.io.*;
import java.util.*;
+import java.text.*;
public class AltosPreferences {
public static AltosPreferencesBackend backend = null;
public final static String logfilePreferenceFormat = "LOGFILE-%d";
/* state preference name */
+ public final static String statePreferenceHead = "STATE-";
public final static String statePreferenceFormat = "STATE-%d";
+ public final static String statePreferenceLatest = "STATE-LATEST";
/* voice preference name */
public final static String voicePreference = "VOICE";
synchronized(backend) {
backend.putBytes(String.format(statePreferenceFormat, serial), bytes);
+ backend.putInt(statePreferenceLatest, serial);
flush_preferences();
}
} catch (IOException ie) {
}
}
+ public static ArrayList<Integer> list_states() {
+ String[] keys = backend.keys();
+ ArrayList<Integer> states = new ArrayList<Integer>();
+
+ for (String key : keys) {
+ if (key.startsWith(statePreferenceHead)) {
+ try {
+ int serial = AltosParse.parse_int(key.substring(statePreferenceHead.length()));
+ states.add(serial);
+ } catch (ParseException pe) {
+ }
+ }
+ }
+ return states;
+ }
+
+ public static void remove_state(int serial) {
+ synchronized(backend) {
+ backend.remove(String.format(statePreferenceFormat, serial));
+ }
+ }
+
+ public static int latest_state() {
+ int latest = 0;
+ synchronized (backend) {
+ latest = backend.getInt(statePreferenceLatest, 0);
+ }
+ return latest;
+ }
+
public static AltosSavedState state(int serial) {
byte[] bytes = null;