protected void doExecute()

in struts2-custom-results-plugin/src/main/java/org/apache/struts2/result/SslOffloadAwareServletRedirectResult.java [80:138]
46 lines of code
16 McCabe index (conditional complexity)

    protected void doExecute(String finalLocation, ActionInvocation invocation) throws Exception {
        ActionContext ctx = invocation.getInvocationContext();
        HttpServletRequest request = (HttpServletRequest) ctx.get(ServletActionContext.HTTP_REQUEST);
        HttpServletResponse response = (HttpServletResponse) ctx.get(ServletActionContext.HTTP_RESPONSE);

        if (isPathUrl(finalLocation)) {
            if (!finalLocation.startsWith("/")) {
                ActionMapping mapping = actionMapper.getMapping(request, Dispatcher.getInstance().getConfigurationManager());
                String namespace = null;
                if (mapping != null) {
                    namespace = mapping.getNamespace();
                }

                if ((namespace != null) && (namespace.length() > 0) && (!"/".equals(namespace))) {
                    finalLocation = namespace + "/" + finalLocation;
                } else {
                    finalLocation = "/" + finalLocation;
                }
            }

            // if the URL's are relative to the servlet context, append the
            // servlet context path
            if (prependServletContext && (request.getContextPath() != null)
                    && (request.getContextPath().length() > 0)) {
                finalLocation = request.getContextPath() + finalLocation;
            }

            finalLocation = fixSchemeIfNeeded(finalLocation, request);
        }
        ResultConfig resultConfig = invocation.getProxy().getConfig().getResults().get(invocation.getResultCode());
        if (resultConfig != null) {
            Map<String, String> resultConfigParams = resultConfig.getParams();

            List<String> prohibitedResultParams = getProhibitedResultParams();
            for (Map.Entry<String, String> e : resultConfigParams.entrySet()) {
                if (!prohibitedResultParams.contains(e.getKey())) {
                    Collection<String> values = conditionalParseCollection(e.getValue(), invocation,
                            suppressEmptyParameters);
                    if (!suppressEmptyParameters || !values.isEmpty()) {
                        requestParameters.put(e.getKey(), values);
                    }
                }
            }
        }

        StringBuilder tmpLocation = new StringBuilder(finalLocation);
        urlHelper.buildParametersString(requestParameters, tmpLocation, "&");

        // add the anchor
        if (anchor != null) {
            tmpLocation.append('#').append(anchor);
        }

        finalLocation = response.encodeRedirectURL(tmpLocation.toString());

        LOG.debug("Redirecting to finalLocation: {}", finalLocation);

        sendRedirect(response, finalLocation);
    }