question: String toString ( boolean includePrivateCredentials ) { String s = ResourcesMgr . getString ( "Subject." ) ; String suffix = "" ; synchronized ( principals ) { Iterator < Principal > pI = principals . iterator ( ) ; while ( pI . hasNext ( ) ) { Principal p = pI . next ( ) ; suffix = suffix + ResourcesMgr . getString ( ".Principal." ) + p . toString ( ) + ResourcesMgr . getString ( "NEWLINE" ) ; } } synchronized ( pubCredentials ) { Iterator < Object > pI = pubCredentials . iterator ( ) ; while ( pI . hasNext ( ) ) { Object o = pI . next ( ) ; suffix = suffix + ResourcesMgr . getString ( ".Public.Credential." ) + o . toString ( ) + ResourcesMgr . getString ( "NEWLINE" ) ; } } if ( includePrivateCredentials ) { synchronized ( privCredentials ) { Iterator < Object > pI = privCredentials . iterator ( ) ; while ( pI . hasNext ( ) ) { try { Object o = pI . next ( ) ; suffix += ResourcesMgr . getString ( ".Private.Credential." ) + o . toString ( ) + ResourcesMgr . getString ( "NEWLINE" ) ; } catch ( SecurityException se ) { suffix += ResourcesMgr . getString ( ".Private.Credential.inaccessible." ) ; break ; } } } } return s + suffix ; }
target:  package private convenience method to print out the Subject without firing off a security check when trying to access the Private Credentials