1 files changed, 33 insertions, 0 deletions
diff --git a/altoslib/AltosPreferences.java b/altoslib/AltosPreferences.java
index 72cfeb4b..dba57dcb 100644
--- a/altoslib/AltosPreferences.java
+++ b/altoslib/AltosPreferences.java
@@ -38,6 +38,9 @@ public class AltosPreferences {
 	/* telemetry rate format preference name */
 	public final static String telemetryRatePreferenceFormat = "RATE-%d";
 
+	/* log file format preference name */
+	public final static String logfilePreferenceFormat = "LOGFILE-%d";
+
 	/* voice preference name */
 	public final static String voicePreference = "VOICE";
 
@@ -83,6 +86,9 @@ public class AltosPreferences {
 	/* Telemetry rate (map serial to telemetry format) */
 	public static Hashtable<Integer, Integer> telemetry_rates;
 
+	/* Log file (map serial to logfile name) */
+	public static Hashtable<Integer, File> logfiles;
+
 	/* Voice preference */
 	public static boolean voice;
 
@@ -151,6 +157,10 @@ 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 */
@@ -172,6 +182,8 @@ public class AltosPreferences {
 
 		telemetry_rates = new Hashtable<Integer,Integer>();
 
+		logfiles = new Hashtable<Integer,File>();
+
 		voice = backend.getBoolean(voicePreference, true);
 
 		callsign = backend.getString(callsignPreference,"N0CALL");
@@ -300,6 +312,27 @@ public class AltosPreferences {
 		}
 	}
 
+	public static void set_logfile(int serial, File new_logfile) {
+		synchronized(backend) {
+			logfiles.put(serial, new_logfile);
+			backend.putString(String.format(logfilePreferenceFormat, serial), new_logfile.getPath());
+			flush_preferences();
+		}
+	}
+
+	public static File logfile(int serial) {
+		synchronized(backend) {
+			if (logfiles.containsKey(serial))
+				return logfiles.get(serial);
+			String logfile_string = backend.getString(String.format(logfilePreferenceFormat, serial), null);
+			if (logfile_string == null)
+				return null;
+			File logfile = new File(logfile_string);
+			logfiles.put(serial, logfile);
+			return logfile;
+		}
+	}
+
 	public static void set_scanning_telemetry(int new_scanning_telemetry) {
 		synchronized (backend) {
 			scanning_telemetry = new_scanning_telemetry;