question: private synchronized void loadTrustManager ( ) { try { TrustManagerFactory tmf = TrustManagerFactory . getInstance ( X509_ALGORITHM ) ; tmf . init ( keystore ) ; for ( TrustManager trustManager : tmf . getTrustManagers ( ) ) { if ( trustManager instanceof X509TrustManager ) { defaultViPRTrustManager = ( X509TrustManager ) trustManager ; log . debug ( "found a X509TrustManager instance" ) ; break ; } } log . info ( "renew trust manager. the # of certificates in trust store is {}" , defaultViPRTrustManager . getAcceptedIssuers ( ) . length ) ; } catch ( GeneralSecurityException e ) { log . error ( e . getMessage ( ) , e ) ; } }
target:  loads the trust manager using the vipr keystore.