public Bridge getSavedBridge() {
Bridge bridge;
File file = new File(BRIDGEFILE);
StringBuilder json = new StringBuilder();
try {
if (!file.exists()) {
return null;
}
FileReader fr = new FileReader(file.getAbsolutePath());
BufferedReader br = new BufferedReader(fr);
String currentLine = null;
while ((currentLine = br.readLine()) != null) {
json.append(currentLine);
}
} catch (IOException e) {
e.printStackTrace();
return null;
}
try {
JSONObject jo = new JSONObject(json.toString());
bridge =
new Bridge(jo.getString("id"), jo.getString("internalip"), jo.getString("macaddres"));
bridge.setUsername(jo.getString("username"));
} catch (JSONException e) {
e.printStackTrace();
return null;
}
return bridge;
}
/**
* Start authenticating with the chosen Hue Bridge, and save it to disk if everything is ok
*
* @param id Hue Bridge ID
* @param ip Internal ip address of the local Hue Bridge
* @param mac Mac address of the local Hue Bridge
*/
public String setChosenBridge(String id, String ip, String mac)
throws MalformedURLException, UnsupportedEncodingException, JSONException,
URISyntaxException {
Bridge chosenBridge = new Bridge(id, ip, mac);
String username = authWithBridge(ip);
if (username != "") {
chosenBridge.setUsername(username);
saveUsernameToDisk(chosenBridge);
} else {
logger.info("Username is empty, not saving to disk");
}
return username;
}
/**
* Save the connected bridge to disk
*
* @param bridge, {@link Bridge} object that needs to be saved
*/
private void saveUsernameToDisk(Bridge bridge) throws JSONException {
try {
String content = bridge.bridgeToJson().toString();
File file = new File(BRIDGEFILE);
if (!file.exists()) {
file.createNewFile();
}
FileWriter fw = new FileWriter(file.getAbsoluteFile());
BufferedWriter bw = new BufferedWriter(fw);
bw.write(content);
bw.close();
System.out.println("Bridge saved to Disk");
} catch (IOException e) {
logger.error("IOException when saving hue bridge info to disk", e);
}
}