/** @{inheritDoc} */
@Override
public void updated(Dictionary<String, ?> config) throws ConfigurationException {
if (config != null) {
// to override the mode (gpio or http) one has to add a
// parameter to openhab.cfg like openSprinkler:mode=[gpio|http]
String modeString = (String) config.get("mode");
if (StringUtils.isNotBlank(modeString)) {
try {
mode = OpenSprinklerMode.valueOf(modeString.toUpperCase());
} catch (IllegalArgumentException iae) {
throw new ConfigurationException(
"openSprinkler:mode",
"Unknown OpenSprinkler mode "
+ mode
+ "! Valid modes are 'gpio' and 'http'. Please fix your openhab.cfg.");
}
}
// to specify the http url one has to add a
// parameter to openhab.cfg like openSprinkler:httpUrl=<url>
url = (String) config.get("httpUrl");
// to specify the http password one has to add a
// parameter to openhab.cfg like openSprinkler:httpPassword=<password>
password = (String) config.get("httpPassword");
// to override the refresh rate of the rain sensor check one has to add a
// parameter to openhab.cfg like openSprinkler:rsRefresh
String rsRefreshRate = (String) config.get("refreshInterval");
if (StringUtils.isNotBlank(rsRefreshRate)) {
refreshInterval = Long.parseLong(rsRefreshRate);
}
// to override the number of stations one has to add a
// parameter to openhab.cfg like openSprinkler:numberOfStations=<count>
String numberOfStationsString = (String) config.get("numberOfStations");
if (StringUtils.isNotBlank(numberOfStationsString)) {
numberOfStations = Integer.parseInt(numberOfStationsString);
openSprinkler.setNumberOfStations(numberOfStations);
}
// read further config parameters here ...
setProperlyConfigured(true);
// then update the binding
updateBinding();
}
}
private void updateBinding() {
if (openSprinkler != null) {
openSprinkler.closeConnection();
}
if (mode == null) {
return;
}
switch (mode) {
case GPIO:
openSprinkler = OpenSprinklerFactory.newGpioConnection();
break;
case HTTP:
openSprinkler = OpenSprinklerFactory.newHttpConnection(url, password);
break;
default:
throw new IllegalStateException(
"Unknown OpenSprinkler mode: "
+ mode
+ "! Since it is checked while initialization already, this Exception should never be thrown!");
}
openSprinkler.setNumberOfStations(numberOfStations);
logger.info(
"OpenSprinkler binding running in "
+ mode
+ " mode"
+ (HTTP.equals(mode) ? " with url " + url : "")
+ ". Running with "
+ numberOfStations
+ " stations enabled and a refresh rate of "
+ refreshInterval
+ ".");
}