question: public static String toRealmQualifiedAuthnData ( String realm , String data ) { String realmQualifedData = data ; if ( realm != null && realm . length ( ) != 0 ) { realmQualifedData = realm . trim ( ) + ISAuthConstants . COLON + data . trim ( ) ; } return realmQualifedData ; }
target:  Returns the given data in Realm qualified format.