question: private void refresh ( ILaunchConfiguration configuration ) { setLaunchConfiguration ( configuration ) ; try { fModel = createClasspathModel ( configuration ) ; } catch ( Exception e ) { message = e . getMessage ( ) ; setErrorMessage ( e . getMessage ( ) ) ; } fClasspathViewer . setLaunchConfiguration ( configuration ) ; fClasspathViewer . setInput ( fModel ) ; setDirty ( false ) ; }
target:  Refreshes the classpath entries based on the current state of the given launch configuration.