2 * Copyright © 2011 Keith Packard <keithp@keithp.com>
4 * This program is free software; you can redistribute it and/or modify
5 * it under the terms of the GNU General Public License as published by
6 * the Free Software Foundation; version 2 of the License.
8 * This program is distributed in the hope that it will be useful, but
9 * WITHOUT ANY WARRANTY; without even the implied warranty of
10 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
11 * General Public License for more details.
13 * You should have received a copy of the GNU General Public License along
14 * with this program; if not, write to the Free Software Foundation, Inc.,
15 * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
22 import java.util.prefs.*;
24 public class AltosBTKnown implements Iterable<AltosBTDevice> {
25 LinkedList<AltosBTDevice> devices = new LinkedList<AltosBTDevice>();
26 Preferences bt_pref = AltosUIPreferences.bt_devices();
28 private String get_address(String name) {
29 return bt_pref.get(name, "");
32 private void set_address(String name, String addr) {
33 bt_pref.put(name, addr);
36 private void remove(String name) {
42 String[] names = bt_pref.keys();
43 for (int i = 0; i < names.length; i++) {
44 String name = names[i];
45 String addr = get_address(name);
46 devices.add(new AltosBTDevice(name, addr));
48 } catch (BackingStoreException be) {
49 } catch (IllegalStateException ie) {
53 public Iterator<AltosBTDevice> iterator() {
54 return devices.iterator();
57 private void flush() {
58 AltosUIPreferences.flush_preferences();
61 public void set(Iterable<AltosBTDevice> new_devices) {
62 for (AltosBTDevice old : devices) {
63 boolean found = false;
64 for (AltosBTDevice new_device : new_devices) {
65 if (new_device.equals(old)) {
71 remove(old.getName());
73 devices = new LinkedList<AltosBTDevice>();
74 for (AltosBTDevice new_device : new_devices) {
75 devices.add(new_device);
76 set_address(new_device.getName(), new_device.getAddr());
81 public List<AltosDevice> list(int product) {
82 LinkedList<AltosDevice> list = new LinkedList<AltosDevice>();
83 for (AltosBTDevice device : devices) {
84 if (device.matchProduct(product))
90 public AltosBTKnown() {
91 devices = new LinkedList<AltosBTDevice>();
92 bt_pref = AltosUIPreferences.bt_devices();
96 static AltosBTKnown known;
98 static public AltosBTKnown bt_known() {
100 known = new AltosBTKnown();