/**
* Callback when a {@link SettingSpecifierProvider} has been registered.
*
* @param provider the provider object
* @param properties the service properties
*/
public void onBind(SettingSpecifierProvider provider, Map<String, ?> properties) {
log.debug("Bind called on {} with props {}", provider, properties);
final String pid = provider.getSettingUID();
List<SettingSpecifierProvider> factoryList = null;
String factoryInstanceKey = null;
synchronized (factories) {
FactoryHelper helper = factories.get(pid);
if (helper != null) {
// Note: SERVICE_PID not normally provided by Spring: requires
// custom SN implementation bundle
String instancePid = (String) properties.get(Constants.SERVICE_PID);
Configuration conf;
try {
conf = configurationAdmin.getConfiguration(instancePid, null);
@SuppressWarnings("unchecked")
Dictionary<String, ?> props = conf.getProperties();
if (props != null) {
factoryInstanceKey = (String) props.get(OSGI_PROPERTY_KEY_FACTORY_INSTANCE_KEY);
log.debug("Got factory {} instance key {}", pid, factoryInstanceKey);
factoryList = helper.getInstanceProviders(factoryInstanceKey);
factoryList.add(provider);
}
} catch (IOException e) {
log.error("Error getting factory instance configuration {}", instancePid, e);
}
}
}
if (factoryList == null) {
synchronized (providers) {
providers.put(pid, provider);
}
}
final String settingKey = getFactoryInstanceSettingKey(pid, factoryInstanceKey);
List<KeyValuePair> settings = settingDao.getSettings(settingKey);
if (settings.size() < 1) {
return;
}
SettingsCommand cmd = new SettingsCommand();
for (KeyValuePair pair : settings) {
SettingValueBean bean = new SettingValueBean();
bean.setProviderKey(provider.getSettingUID());
bean.setInstanceKey(factoryInstanceKey);
bean.setKey(pair.getKey());
bean.setValue(pair.getValue());
cmd.getValues().add(bean);
}
updateSettings(cmd);
}
@Override
public Object getSettingValue(SettingSpecifierProvider provider, SettingSpecifier setting) {
if (setting instanceof KeyedSettingSpecifier<?>) {
KeyedSettingSpecifier<?> keyedSetting = (KeyedSettingSpecifier<?>) setting;
if (keyedSetting.isTransient()) {
return keyedSetting.getDefaultValue();
}
final String providerUID = provider.getSettingUID();
final String instanceUID =
(provider instanceof FactorySettingSpecifierProvider
? ((FactorySettingSpecifierProvider) provider).getFactoryInstanceUID()
: null);
try {
Configuration conf = getConfiguration(providerUID, instanceUID);
@SuppressWarnings("unchecked")
Dictionary<String, ?> props = conf.getProperties();
Object val = (props == null ? null : props.get(keyedSetting.getKey()));
if (val == null) {
val = keyedSetting.getDefaultValue();
}
return val;
} catch (IOException e) {
throw new RuntimeException(e);
} catch (InvalidSyntaxException e) {
throw new RuntimeException(e);
}
}
return null;
}
/**
* Callback when a {@link SettingSpecifierProvider} has been un-registered.
*
* @param config the configuration object
* @param properties the service properties
*/
public void onUnbind(SettingSpecifierProvider provider, Map<String, ?> properties) {
if (provider == null) {
// gemini blueprint calls this when availability="optional" and there are no services
return;
}
log.debug("Unbind called on {} with props {}", provider, properties);
final String pid = provider.getSettingUID();
synchronized (factories) {
FactoryHelper helper = factories.get(pid);
if (helper != null) {
helper.removeProvider(provider);
return;
}
}
synchronized (providers) {
providers.remove(pid);
}
}