protected String determineTargetUrl ( HttpServletRequest request , HttpServletResponse response ) { if ( isAlwaysUseDefaultTargetUrl ( ) ) { return defaultTargetUrl ; } // Check for the parameter and use that if available String targetUrl = null ; if ( targetUrlParameter != null ) { targetUrl = request . getParameter ( targetUrlParameter ) ; if ( StringUtils . hasText ( targetUrl ) ) { logger . debug ( "Found targetUrlParameter in request: " + targetUrl ) ; return targetUrl ; } } if ( useReferer && ! StringUtils . hasLength ( targetUrl ) ) { targetUrl = request . getHeader ( "Referer" ) ; logger . debug ( "Using Referer header: " + targetUrl ) ; } if ( ! StringUtils . hasText ( targetUrl ) ) { targetUrl = defaultTargetUrl ; logger . debug ( "Using default Url: " + targetUrl ) ; } return targetUrl ; }
Builds the target URL according to the logic defined in the main class Javadoc .