Retrieve OSGI Configurations

Scenario: How to retrieve configuration details in jsp/class ?

Solutions:

@Reference
ConfigurationAdmin configAdmin;
Configuration config = configAdmin.getConfiguration("com.day.cq.mailer.DefaultMailService");
Dictionary<?, ?> d = config.getProperties();
log.debug("Configurations Dictionary:{}"+d);
String hostName= (String) d.get("smtp.host");