X-Git-Url: https://git.gag.com/?p=fw%2Faltos;a=blobdiff_plain;f=altoslib%2FAltosPreferences.java;h=5fe810d7e8160c6300765fa9390f5e7b155a59cb;hp=af87b213ee575a9c0f7990cb1505cb5b9ecb521e;hb=52ce23327bd81e2d40a1817442e75bd6b60ffe95;hpb=a5e348905a510bb2dcf6d7734f5681fb8338cd87

diff --git a/altoslib/AltosPreferences.java b/altoslib/AltosPreferences.java
index af87b213..5fe810d7 100644
--- a/altoslib/AltosPreferences.java
+++ b/altoslib/AltosPreferences.java
@@ -41,6 +41,9 @@ public class AltosPreferences {
 	/* log file format preference name */
 	public final static String logfilePreferenceFormat = "LOGFILE-%d";
 
+	/* state preference name */
+	public final static String statePreferenceFormat = "STATE-%d";
+
 	/* voice preference name */
 	public final static String voicePreference = "VOICE";
 
@@ -157,6 +160,10 @@ public class AltosPreferences {
 	public static int launcher_channel;
 
 	public static void init(AltosPreferencesBackend in_backend) {
+
+		if (backend != null)
+			return;
+
 		backend = in_backend;
 
 		/* Initialize logdir from preferences */
@@ -329,6 +336,48 @@ public class AltosPreferences {
 		}
 	}
 
+	public static void set_state(int serial, AltosState state, AltosListenerState listener_state) {
+
+		ByteArrayOutputStream baos = new ByteArrayOutputStream();
+
+		try {
+			ObjectOutputStream oos = new ObjectOutputStream(baos);
+
+			AltosSavedState	saved_state = new AltosSavedState(state, listener_state);
+			oos.writeObject(saved_state);
+
+			byte[] bytes = baos.toByteArray();
+
+			synchronized(backend) {
+				backend.putBytes(String.format(statePreferenceFormat, serial), bytes);
+				flush_preferences();
+			}
+		} catch (IOException ie) {
+		}
+	}
+
+	public static AltosSavedState state(int serial) {
+		byte[] bytes = null;
+
+		synchronized(backend) {
+			bytes = backend.getBytes(String.format(statePreferenceFormat, serial), null);
+		}
+
+		if (bytes == null)
+			return null;
+
+		ByteArrayInputStream bais = new ByteArrayInputStream(bytes);
+
+		try {
+			ObjectInputStream ois = new ObjectInputStream(bais);
+			AltosSavedState saved_state = (AltosSavedState) ois.readObject();
+			return saved_state;
+		} catch (IOException ie) {
+		} catch (ClassNotFoundException ce) {
+		}
+		return null;
+	}
+
 	public static void set_scanning_telemetry(int new_scanning_telemetry) {
 		synchronized (backend) {
 			scanning_telemetry = new_scanning_telemetry;