import java.io.*;
import java.util.*;
-import java.util.prefs.*;
-import javax.swing.filechooser.FileSystemView;
public class AltosPreferences {
- public static Preferences preferences;
+ public static AltosPreferencesBackend backend = null;
/* logdir preference name */
public final static String logdirPreference = "LOGDIR";
public static AltosFrequency[] load_common_frequencies() {
AltosFrequency[] frequencies = null;
boolean existing = false;
- try {
- existing = preferences.nodeExists(common_frequencies_node_name);
- } catch (BackingStoreException be) {
- existing = false;
- }
+ existing = backend.nodeExists(common_frequencies_node_name);
+
if (existing) {
- Preferences node = preferences.node(common_frequencies_node_name);
+ AltosPreferencesBackend node = backend.node(common_frequencies_node_name);
int count = node.getInt(frequency_count, 0);
frequencies = new AltosFrequency[count];
String description;
frequency = node.getDouble(String.format(frequency_format, i), 0.0);
- description = node.get(String.format(description_format, i), null);
+ description = node.getString(String.format(description_format, i), null);
frequencies[i] = new AltosFrequency(frequency, description);
}
} else {
}
public static void save_common_frequencies(AltosFrequency[] frequencies) {
- Preferences node = preferences.node(common_frequencies_node_name);
+ AltosPreferencesBackend node = backend.node(common_frequencies_node_name);
node.putInt(frequency_count, frequencies.length);
for (int i = 0; i < frequencies.length; i++) {
node.putDouble(String.format(frequency_format, i), frequencies[i].frequency);
- node.put(String.format(description_format, i), frequencies[i].description);
+ node.putString(String.format(description_format, i), frequencies[i].description);
}
}
public static int launcher_serial;
public static int launcher_channel;
- public static void init() {
- preferences = Preferences.userRoot().node("/org/altusmetrum/altosui");
+ public static void init(AltosPreferencesBackend in_backend) {
+ backend = in_backend;
/* Initialize logdir from preferences */
- String logdir_string = preferences.get(logdirPreference, null);
+ String logdir_string = backend.getString(logdirPreference, null);
if (logdir_string != null)
logdir = new File(logdir_string);
else {
- /* Use the file system view default directory */
- logdir = new File(FileSystemView.getFileSystemView().getDefaultDirectory(), logdirName);
+ logdir = new File(backend.homeDirectory(), logdirName);
if (!logdir.exists())
logdir.mkdirs();
}
telemetries = new Hashtable<Integer,Integer>();
- voice = preferences.getBoolean(voicePreference, true);
+ voice = backend.getBoolean(voicePreference, true);
- callsign = preferences.get(callsignPreference,"N0CALL");
+ callsign = backend.getString(callsignPreference,"N0CALL");
- scanning_telemetry = preferences.getInt(scanningTelemetryPreference,(1 << AltosLib.ao_telemetry_standard));
+ scanning_telemetry = backend.getInt(scanningTelemetryPreference,(1 << AltosLib.ao_telemetry_standard));
- launcher_serial = preferences.getInt(launcherSerialPreference, 0);
+ launcher_serial = backend.getInt(launcherSerialPreference, 0);
- launcher_channel = preferences.getInt(launcherChannelPreference, 0);
+ launcher_channel = backend.getInt(launcherChannelPreference, 0);
- String firmwaredir_string = preferences.get(firmwaredirPreference, null);
+ String firmwaredir_string = backend.getString(firmwaredirPreference, null);
if (firmwaredir_string != null)
firmwaredir = new File(firmwaredir_string);
else
common_frequencies = load_common_frequencies();
- AltosConvert.imperial_units = preferences.getBoolean(unitsPreference, false);
+ AltosConvert.imperial_units = backend.getBoolean(unitsPreference, false);
}
- static { init(); }
-
public static void flush_preferences() {
- try {
- preferences.flush();
- } catch (BackingStoreException ee) {
-/*
- if (component != null)
- JOptionPane.showMessageDialog(component,
- preferences.absolutePath(),
- "Cannot save prefernces",
- JOptionPane.ERROR_MESSAGE);
- else
-*/
- System.err.printf("Cannot save preferences\n");
- }
+ backend.flush();
}
public static void set_logdir(File new_logdir) {
- logdir = new_logdir;
- mapdir = new File(logdir, "maps");
- if (!mapdir.exists())
- mapdir.mkdirs();
- synchronized (preferences) {
- preferences.put(logdirPreference, logdir.getPath());
+ synchronized (backend) {
+ logdir = new_logdir;
+ mapdir = new File(logdir, "maps");
+ if (!mapdir.exists())
+ mapdir.mkdirs();
+ backend.putString(logdirPreference, logdir.getPath());
flush_preferences();
}
}
public static File logdir() {
- return logdir;
+ synchronized (backend) {
+ return logdir;
+ }
}
public static File mapdir() {
- return mapdir;
+ synchronized (backend) {
+ return mapdir;
+ }
}
public static void set_frequency(int serial, double new_frequency) {
- frequencies.put(serial, new_frequency);
- synchronized (preferences) {
- preferences.putDouble(String.format(frequencyPreferenceFormat, serial), new_frequency);
+ synchronized (backend) {
+ frequencies.put(serial, new_frequency);
+ backend.putDouble(String.format(frequencyPreferenceFormat, serial), new_frequency);
flush_preferences();
}
}
public static double frequency(int serial) {
- if (frequencies.containsKey(serial))
- return frequencies.get(serial);
- double frequency = preferences.getDouble(String.format(frequencyPreferenceFormat, serial), 0);
- if (frequency == 0.0) {
- int channel = preferences.getInt(String.format(channelPreferenceFormat, serial), 0);
- frequency = AltosConvert.radio_channel_to_frequency(channel);
+ synchronized (backend) {
+ if (frequencies.containsKey(serial))
+ return frequencies.get(serial);
+ double frequency = backend.getDouble(String.format(frequencyPreferenceFormat, serial), 0);
+ if (frequency == 0.0) {
+ int channel = backend.getInt(String.format(channelPreferenceFormat, serial), 0);
+ frequency = AltosConvert.radio_channel_to_frequency(channel);
+ }
+ frequencies.put(serial, frequency);
+ return frequency;
}
- frequencies.put(serial, frequency);
- return frequency;
}
public static void set_telemetry(int serial, int new_telemetry) {
- telemetries.put(serial, new_telemetry);
- synchronized (preferences) {
- preferences.putInt(String.format(telemetryPreferenceFormat, serial), new_telemetry);
+ synchronized (backend) {
+ telemetries.put(serial, new_telemetry);
+ backend.putInt(String.format(telemetryPreferenceFormat, serial), new_telemetry);
flush_preferences();
}
}
public static int telemetry(int serial) {
- if (telemetries.containsKey(serial))
- return telemetries.get(serial);
- int telemetry = preferences.getInt(String.format(telemetryPreferenceFormat, serial),
+ synchronized (backend) {
+ if (telemetries.containsKey(serial))
+ return telemetries.get(serial);
+ int telemetry = backend.getInt(String.format(telemetryPreferenceFormat, serial),
AltosLib.ao_telemetry_standard);
- telemetries.put(serial, telemetry);
- return telemetry;
+ telemetries.put(serial, telemetry);
+ return telemetry;
+ }
}
public static void set_scanning_telemetry(int new_scanning_telemetry) {
- scanning_telemetry = new_scanning_telemetry;
- synchronized (preferences) {
- preferences.putInt(scanningTelemetryPreference, scanning_telemetry);
+ synchronized (backend) {
+ scanning_telemetry = new_scanning_telemetry;
+ backend.putInt(scanningTelemetryPreference, scanning_telemetry);
flush_preferences();
}
}
public static int scanning_telemetry() {
- return scanning_telemetry;
+ synchronized (backend) {
+ return scanning_telemetry;
+ }
}
public static void set_voice(boolean new_voice) {
- voice = new_voice;
- synchronized (preferences) {
- preferences.putBoolean(voicePreference, voice);
+ synchronized (backend) {
+ voice = new_voice;
+ backend.putBoolean(voicePreference, voice);
flush_preferences();
}
}
public static boolean voice() {
- return voice;
+ synchronized (backend) {
+ return voice;
+ }
}
public static void set_callsign(String new_callsign) {
- callsign = new_callsign;
- synchronized(preferences) {
- preferences.put(callsignPreference, callsign);
+ synchronized(backend) {
+ callsign = new_callsign;
+ backend.putString(callsignPreference, callsign);
flush_preferences();
}
}
public static String callsign() {
- return callsign;
+ synchronized(backend) {
+ return callsign;
+ }
}
public static void set_firmwaredir(File new_firmwaredir) {
- firmwaredir = new_firmwaredir;
- synchronized (preferences) {
- preferences.put(firmwaredirPreference, firmwaredir.getPath());
+ synchronized (backend) {
+ firmwaredir = new_firmwaredir;
+ backend.putString(firmwaredirPreference, firmwaredir.getPath());
flush_preferences();
}
}
public static File firmwaredir() {
- return firmwaredir;
+ synchronized (backend) {
+ return firmwaredir;
+ }
}
public static void set_launcher_serial(int new_launcher_serial) {
- launcher_serial = new_launcher_serial;
- synchronized (preferences) {
- preferences.putInt(launcherSerialPreference, launcher_serial);
+ synchronized (backend) {
+ launcher_serial = new_launcher_serial;
+ backend.putInt(launcherSerialPreference, launcher_serial);
flush_preferences();
}
}
public static int launcher_serial() {
- return launcher_serial;
+ synchronized (backend) {
+ return launcher_serial;
+ }
}
public static void set_launcher_channel(int new_launcher_channel) {
- launcher_channel = new_launcher_channel;
- synchronized (preferences) {
- preferences.putInt(launcherChannelPreference, launcher_channel);
+ synchronized (backend) {
+ launcher_channel = new_launcher_channel;
+ backend.putInt(launcherChannelPreference, launcher_channel);
flush_preferences();
}
}
public static int launcher_channel() {
- return launcher_channel;
+ synchronized (backend) {
+ return launcher_channel;
+ }
}
- public static Preferences bt_devices() {
- return preferences.node("bt_devices");
+ public static AltosPreferencesBackend bt_devices() {
+ synchronized (backend) {
+ return backend.node("bt_devices");
+ }
}
public static AltosFrequency[] common_frequencies() {
- return common_frequencies;
+ synchronized (backend) {
+ return common_frequencies;
+ }
}
public static void set_common_frequencies(AltosFrequency[] frequencies) {
- common_frequencies = frequencies;
- synchronized(preferences) {
+ synchronized(backend) {
+ common_frequencies = frequencies;
save_common_frequencies(frequencies);
flush_preferences();
}
}
public static void add_common_frequency(AltosFrequency frequency) {
- AltosFrequency[] new_frequencies = new AltosFrequency[common_frequencies.length + 1];
+ AltosFrequency[] old_frequencies = common_frequencies();
+ AltosFrequency[] new_frequencies = new AltosFrequency[old_frequencies.length + 1];
int i;
- for (i = 0; i < common_frequencies.length; i++) {
- if (frequency.frequency == common_frequencies[i].frequency)
+ for (i = 0; i < old_frequencies.length; i++) {
+ if (frequency.frequency == old_frequencies[i].frequency)
return;
- if (frequency.frequency < common_frequencies[i].frequency)
+ if (frequency.frequency < old_frequencies[i].frequency)
break;
- new_frequencies[i] = common_frequencies[i];
+ new_frequencies[i] = old_frequencies[i];
}
new_frequencies[i] = frequency;
- for (; i < common_frequencies.length; i++)
- new_frequencies[i+1] = common_frequencies[i];
+ for (; i < old_frequencies.length; i++)
+ new_frequencies[i+1] = old_frequencies[i];
set_common_frequencies(new_frequencies);
}
public static boolean imperial_units() {
- return AltosConvert.imperial_units;
+ synchronized(backend) {
+ return AltosConvert.imperial_units;
+ }
}
public static void set_imperial_units(boolean imperial_units) {
- AltosConvert.imperial_units = imperial_units;
- synchronized (preferences) {
- preferences.putBoolean(unitsPreference, imperial_units);
+ synchronized (backend) {
+ AltosConvert.imperial_units = imperial_units;
+ backend.putBoolean(unitsPreference, imperial_units);
flush_preferences();
}
}