question: @ Override public FetchStatus checkFilter ( URI uri ) { if ( uri == null ) { return FetchStatus . OUT_OF_SCOPE ; } String otherScheme = normalisedScheme ( uri . getRawScheme ( ) ) ; if ( port != normalisedPort ( otherScheme , uri . getPort ( ) ) ) { return FetchStatus . OUT_OF_SCOPE ; } if ( ! scheme . equals ( otherScheme ) ) { return FetchStatus . OUT_OF_SCOPE ; } if ( ! hasSameHost ( uri ) ) { return FetchStatus . OUT_OF_SCOPE ; } if ( ! startsWith ( uri . getRawPath ( ) , path ) ) { return FetchStatus . OUT_OF_SCOPE ; } return FetchStatus . VALID ; }
target:  Filters any URI that does not start with the defined prefix.