45 UdevListener udevListener = new UdevListener() {
46 @Override
47 public void udevEvent(String action, Map<String, String> event) {
48 String subsystem = event.get("SUBSYSTEM");
49 String devPath = event.get("DEVPATH");
50 String devName = event.get("DEVNAME");
51 if (subsystem != null && subsystem.equals("input")
52 && devPath != null && devName != null) {
53 try {
54 File sysPath = new File("/sys", devPath);
55 if (action.equals("add")
56 || (action.equals("change")
57 && !deviceMap.containsKey(sysPath))) {
58 File devNode = new File(devName);
59 LinuxInputDevice device = createDevice(
60 devNode, sysPath, event);
61 if (device != null) {
62 deviceMap.put(sysPath, device);
63 }
64 } else if (action.equals("remove")) {
65 LinuxInputDevice device = deviceMap.get(devPath);
66 deviceMap.remove(devPath);
67 if (device != null) {
68 devices.remove(device);
69 }
70 }
71 } catch (IOException e) {
72 e.printStackTrace();
73 }
74 }
75 }
76 };
77 Udev.getInstance().addListener(udevListener);
78 // Request updates for existing devices
79 SysFS.triggerUdevNotification("input");
80 }
81
82 private LinuxInputDevice createDevice(File devNode,
83 File sysPath,
84 Map<String, String> udevManifest)
85 throws IOException {
86 LinuxInputDevice device = new LinuxInputDevice(
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45 UdevListener udevListener = new UdevListener() {
46 @Override
47 public void udevEvent(String action, Map<String, String> event) {
48 String subsystem = event.get("SUBSYSTEM");
49 String devPath = event.get("DEVPATH");
50 String devName = event.get("DEVNAME");
51 if (subsystem != null && subsystem.equals("input")
52 && devPath != null && devName != null) {
53 try {
54 File sysPath = new File("/sys", devPath);
55 if (action.equals("add")
56 || (action.equals("change")
57 && !deviceMap.containsKey(sysPath))) {
58 File devNode = new File(devName);
59 LinuxInputDevice device = createDevice(
60 devNode, sysPath, event);
61 if (device != null) {
62 deviceMap.put(sysPath, device);
63 }
64 } else if (action.equals("remove")) {
65 LinuxInputDevice device = deviceMap.get(sysPath);
66 deviceMap.remove(sysPath);
67 if (device != null) {
68 devices.remove(device);
69 }
70 }
71 } catch (IOException e) {
72 e.printStackTrace();
73 }
74 }
75 }
76 };
77 Udev.getInstance().addListener(udevListener);
78 // Request updates for existing devices
79 SysFS.triggerUdevNotification("input");
80 }
81
82 private LinuxInputDevice createDevice(File devNode,
83 File sysPath,
84 Map<String, String> udevManifest)
85 throws IOException {
86 LinuxInputDevice device = new LinuxInputDevice(
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