/**
* Get the state from the house
*
* @return the new state of things
*/
public synchronized Hashtable<String, Object> getState() {
System.out.println("Requesting state");
synchronized (connection) {
String update = connection.sendMessageToHouse(IoTValues.GET_STATE + IoTValues.MSG_END);
if (update == null) {
return null;
}
return handleStateUpdate(update);
}
}
/**
* Send a state change request to the house
*
* @param state the new state
* @return true if the state was accepted; false otherwise
*/
public synchronized Boolean setState(Hashtable<String, Object> state) {
StringBuffer newState = new StringBuffer();
Set<String> keys = state.keySet();
int count = 0;
for (String key : keys) {
if (key.equals(IoTValues.DOOR_STATE)) {
Boolean newDoorState = (Boolean) state.get(key);
newState.append(IoTValues.DOOR_STATE);
newState.append(IoTValues.PARAM_EQ);
if (newDoorState) {
newState.append(IoTValues.DOOR_OPEN);
} else {
newState.append(IoTValues.DOOR_CLOSE);
}
count++;
if (count < keys.size()) {
newState.append(IoTValues.PARAM_DELIM);
}
} else if (key.equals(IoTValues.LIGHT_STATE)) {
Boolean newLightState = (Boolean) state.get(key);
newState.append(IoTValues.LIGHT_STATE);
newState.append(IoTValues.PARAM_EQ);
if (newLightState) {
newState.append(IoTValues.LIGHT_ON);
} else {
newState.append(IoTValues.LIGHT_OFF);
}
count++;
if (count < keys.size()) {
newState.append(IoTValues.PARAM_DELIM);
}
} else if (key.equals(IoTValues.PROXIMITY_STATE)) { // bug: light -> proximity
Boolean newHumidifierState = (Boolean) state.get(key);
newState.append(IoTValues.PROXIMITY_STATE);
newState.append(IoTValues.PARAM_EQ);
if (newHumidifierState) {
newState.append(IoTValues.PROXIMITY_ON);
} else {
newState.append(IoTValues.PROXIMITY_OFF);
}
count++;
if (count < keys.size()) {
newState.append(IoTValues.PARAM_DELIM);
}
} else if (key.equals(IoTValues.ALARM_STATE)) {
Boolean newAlarmState = (Boolean) state.get(key);
newState.append(IoTValues.ALARM_STATE);
newState.append(IoTValues.PARAM_EQ);
if (newAlarmState) {
newState.append(IoTValues.ALARM_ENABLED);
} else {
newState.append(IoTValues.ALARM_DISABLED);
}
count++;
if (count < keys.size()) {
newState.append(IoTValues.PARAM_DELIM);
}
} else if (key.equals(IoTValues.HUMIDIFIER_STATE)) { // bug: alarm -> humidifier
Boolean newHumidifierState = (Boolean) state.get(key);
newState.append(IoTValues.HUMIDIFIER_STATE);
newState.append(IoTValues.PARAM_EQ);
if (newHumidifierState) {
newState.append(IoTValues.HUMIDIFIER_ON);
} else {
newState.append(IoTValues.HUMIDIFIER_OFF);
}
count++;
if (count < keys.size()) {
newState.append(IoTValues.PARAM_DELIM);
}
} else if (key.equals(IoTValues.CHILLER_STATE)) {
Boolean newChillerState = (Boolean) state.get(key);
newState.append(IoTValues.CHILLER_STATE);
newState.append(IoTValues.PARAM_EQ);
if (newChillerState) {
newState.append(IoTValues.CHILLER_ON);
} else {
newState.append(IoTValues.CHILLER_OFF);
}
count++;
if (count < keys.size()) {
newState.append(IoTValues.PARAM_DELIM);
}
} else if (key.equals(IoTValues.HEATER_STATE)) {
Boolean newHeaterState = (Boolean) state.get(key);
newState.append(IoTValues.HEATER_STATE);
newState.append(IoTValues.PARAM_EQ);
if (newHeaterState) {
newState.append(IoTValues.HEATER_ON);
} else {
newState.append(IoTValues.HEATER_OFF);
}
count++;
if (count < keys.size()) {
newState.append(IoTValues.PARAM_DELIM);
}
}
}
// newState.append(IoTValues.MSG_END); // append protocol request terminator
StringBuffer msg =
new StringBuffer(
IoTValues.SET_STATE + IoTValues.MSG_DELIM + newState.toString() + IoTValues.MSG_END);
System.out.println("New state: " + msg.toString());
String response = null;
synchronized (connection) {
response = connection.sendMessageToHouse(msg.toString());
}
if (response == null) {
return false;
}
return response.equals(IoTValues.OK);
}
/**
* Get the connected state
*
* @return true if connected, false otherwise
*/
public Boolean isConnected() {
if (connection != null) {
return connection.isConnected();
}
return false;
}
/** Disconnect from the house */
public void disconnectFromHouse() {
connection.disconnect();
}
