question: private static CounterSet doCountersQuery ( final HttpClient cm , final String hostname , final String baseRequestURI , final int uniqueId ) throws Exception { final String uriStr = baseRequestURI + "/counters" ; final ConnectOptions o = new ConnectOptions ( uriStr ) ; o . setAcceptHeader ( ConnectOptions . MIME_APPLICATION_XML ) ; o . method = "GET" ; o . addRequestParam ( "path" , "/" + hostname + "/" ) ; o . addRequestParam ( "depth" , "3" ) ; o . addRequestParam ( "uniqueId" , Integer . toString ( uniqueId ) ) ; boolean didDrainEntity = false ; JettyResponseListener response = null ; try { response = doConnect ( cm , o ) ; RemoteRepository . checkResponseCode ( response ) ; final String contentType = response . getContentType ( ) ; if ( ! contentType . startsWith ( IMimeTypes . MIME_APPLICATION_XML ) ) { throw new IOException ( "Expecting " + IMimeTypes . MIME_APPLICATION_XML + ", not Content-Type=" + contentType ) ; } final CounterSet counterSet = new CounterSet ( ) ; final InputStream is = response . getInputStream ( ) ; try { counterSet . readXML ( is , DefaultInstrumentFactory . NO_OVERWRITE_60M , null ) ; didDrainEntity = true ; if ( log . isDebugEnabled ( ) ) log . debug ( "hostname=" + hostname + ": counters=" + counterSet ) ; return counterSet ; } finally { try { is . close ( ) ; } catch ( IOException ex ) { log . warn ( ex ) ; } } } finally { if ( response != null && ! didDrainEntity ) { response . abort ( ) ; } } }
target:  Do an HTTP GET to the remote service and return the platform performance metrics for that service.