question: private void checkParameters ( ) throws SSLException { assert keyStoreType != null ; assert proto != null ; checkNullParameter ( keyStoreFilePath , "keyStoreFilePath" ) ; checkNullParameter ( keyStorePwd , "keyStorePwd" ) ; if ( trustMgrs == null ) { if ( trustStoreFilePath == null ) throw new SSLException ( "Failed to initialize SSL context (either trustStoreFilePath or " + "trustManagers must be provided)" ) ; else checkNullParameter ( trustStorePwd , "trustStorePwd" ) ; } }
target:  Checks that all required parameters are set.