private String getTopic ( FrameworkEvent frameworkEvent ) { StringBuilder topic = new StringBuilder ( FRAMEWORK_EVENT_TOPIC_PREFIX ) ; switch ( frameworkEvent . getType ( ) ) { case FrameworkEvent . STARTED : topic . append ( "STARTED" ) ; break ; case FrameworkEvent . ERROR : topic . append ( "ERROR" ) ; break ; case FrameworkEvent . PACKAGES_REFRESHED : topic . append ( "PACKAGES_REFRESHED" ) ; break ; case FrameworkEvent . STARTLEVEL_CHANGED : topic . append ( "STARTLEVEL_CHANGED" ) ; break ; case FrameworkEvent . WARNING : topic . append ( "WARNING" ) ; break ; case FrameworkEvent . INFO : topic . append ( "INFO" ) ; break ; default : return null ; } return topic . toString ( ) ; }
Determine the appropriate topic to use for the Framework Event .