/** Item processing for the LCN bindings. {@inheritDoc} */
@Override
public void processBindingConfiguration(String context, Item item, String bindingConfig)
throws BindingConfigParseException {
super.processBindingConfiguration(context, item, bindingConfig);
Matcher matcher = PATTERN_BINDING_GENERAL.matcher(bindingConfig);
if (!matcher.matches()) {
throw new BindingConfigParseException(bindingConfig + "' contains no valid binding!");
}
matcher.reset();
LcnBindingConfig bc = new LcnBindingConfig(item);
while (matcher.find()) {
String binding = matcher.group(1);
if (binding != null && !binding.trim().isEmpty()) {
String openHabCmd = null;
String connId, lcnTarget;
Matcher openHabMatcher = PATTERN_BINDING_WITH_OPENHAB.matcher(binding);
Matcher pureMatcher = PATTERN_BINDING_PURE.matcher(binding);
if (openHabMatcher.matches()) {
openHabCmd = openHabMatcher.group(1);
connId = openHabMatcher.group(2);
lcnTarget = openHabMatcher.group(3);
} else if (pureMatcher.matches()) {
connId = pureMatcher.group(1);
lcnTarget = pureMatcher.group(2);
} else {
throw new BindingConfigParseException(
"Invalid binding configuration for " + binding + "!");
}
String lcnShort = resolveMappings(lcnTarget, openHabCmd);
if (lcnShort == null || lcnShort.equals(openHabCmd)) {
lcnShort = lcnTarget;
}
Command cmd =
openHabCmd == null
? TypeParser.parseCommand(new StringItem("").getAcceptedCommandTypes(), "")
: openHabCmd.equals("%i")
? new StringType("%i")
: TypeParser.parseCommand(item.getAcceptedCommandTypes(), openHabCmd);
bc.add(new LcnBindingConfig.Mapping(cmd, connId, lcnShort));
}
}
// Finished
this.addBindingConfig(item, bc);
for (LcnAddrMod addr : bc.getRelatedModules()) {
HashSet<String> l = this.itemNamesByModulCache.get(addr);
if (l == null) {
l = new HashSet<String>();
this.itemNamesByModulCache.put(addr, l);
}
l.add(item.getName());
}
}
/**
* Creates a {@link Command} out of the given <code>commandAsString</code> incorporating the
* {@link TypeParser}.
*
* @param item
* @param commandAsString
* @return an appropriate Command (see {@link TypeParser} for more information
* @throws BindingConfigParseException if the {@link TypeParser} couldn't create a command
* appropriately
* @see {@link TypeParser}
*/
private Command createCommandFromString(Item item, String commandAsString)
throws BindingConfigParseException {
Command command = TypeParser.parseCommand(item.getAcceptedCommandTypes(), commandAsString);
if (command == null) {
throw new BindingConfigParseException(
"couldn't create Command from '" + commandAsString + "' ");
}
return command;
}
/**
* Sends a command for a specified item to the event bus.
*
* @param itemName the name of the item to send the command to
* @param commandString the command to send
*/
public static Object sendCommand(String itemName, String commandString) {
ItemRegistry registry = (ItemRegistry) ScriptActivator.itemRegistryTracker.getService();
EventPublisher publisher = (EventPublisher) ScriptActivator.eventPublisherTracker.getService();
if (publisher != null && registry != null) {
try {
Item item = registry.getItem(itemName);
Command command = TypeParser.parseCommand(item.getAcceptedCommandTypes(), commandString);
publisher.sendCommand(itemName, command);
} catch (ItemNotFoundException e) {
logger.warn("Item '" + itemName + "' does not exist.");
}
}
return null;
}
/**
* Posts a status update for a specified item to the event bus.
*
* @param itemName the name of the item to send the status update for
* @param stateAsString the new state of the item
*/
public static Object postUpdate(String itemName, String stateString) {
ItemRegistry registry = (ItemRegistry) ScriptActivator.itemRegistryTracker.getService();
EventPublisher publisher = (EventPublisher) ScriptActivator.eventPublisherTracker.getService();
if (publisher != null && registry != null) {
try {
Item item = registry.getItem(itemName);
State state = TypeParser.parseState(item.getAcceptedDataTypes(), stateString);
publisher.postUpdate(itemName, state);
} catch (ItemNotFoundException e) {
logger.warn("Item '" + itemName + "' does not exist.");
}
}
return null;
}
