Omg. How not to do it, followed by some sanitization. With emphasis on the sanity.

BrandActionOrig.java

public class BrandAction extends AbstractProductListAction {
    private static final long serialVersionUID = 3647582541701870610L;
    protected CatalogBrowsingFacade catalogBrowsingFacade;
    protected RedirectHandler redirectHandler;
    private static final String BRAND_CONSTANT="BRAND";
    private FormatStrategy formatStrategy;
    
    @Override
    public String execute() {
        if (searchModel.getFreeTextCount() == 2) {
            searchModel.setFreeTextCount(0);
        } else {
            searchModel.setFreeText(null);
            ((AbstractProductListWebModel)searchModel).setSearchText(null);
        }

        String key = null;
        HttpServletRequest request = ServletActionContext.getRequest();
        Map params = request.getParameterMap();
        Iterator iter = params.keySet().iterator();
        String value = null;
        int priceCount = 0;
        int stockCount = 0;
        StringBuffer parameters = new StringBuffer("?");
        while (iter.hasNext()) {
            key = (String) iter.next();
            value = ((String[]) params.get(key))[0];
            parameters.append(key);
            parameters.append('=');
            parameters.append(value); 
            parameters.append('&');
        }

        String returnURL = request.getRequestURL().toString() + "?" + key + "=" + value; 
        if (key == null && value == null) {
            returnURL = request.getRequestURL().toString();
        }

        searchModel.setJobListReturnTo(returnURL);
        homeModel.setHomeRedirectUrl(returnURL);
        searchModel.setBackToSearchUrl(request.getRequestURI().toString() + parameters.substring(0,parameters.length()-1));
        String brandCode = ((BrandWebModel)model).getBrandCode();
        if (homeModel.getSuccessMsg() != null) {
            addActionMessage(homeModel.getSuccessMsg());
            homeModel.setSuccessMsg(null);
        }

        if(searchModel.getSuccessMsg() != null) {
            addActionMessage(searchModel.getSuccessMsg());
            searchModel.setSuccessMsg(null);
        }

        model.setSearchText(searchModel.getFreeText());
        final SearchResultData searchResult = catalogBrowsingFacade.searchByBrand(brandCode);
        if (configurationContext.getPropertyAsBoolean("hide.brand.LHN.austria")) {
            List<Refinement> refinementList = new ArrayList<Refinement>();
            if (searchResult.getRefinements() != null) {
                for (Refinement refineResult : searchResult.getRefinements()) {
                    if (!BRAND_CONSTANT.equals(refineResult.getType().toString())) {
                        refinementList.add(refineResult);
                    }
                }
                searchResult.setRefinements(refinementList);
            }
        }

        if (searchResult.getProducts() != null) {
            if (searchResult.getProducts().size() == 1) {
                searchModel.setBackToSearchUrl(null);
            }
        }

        if (model.getPersonalDetails() != null) {
            if (model.getPersonalDetails().getPriceVisibility().getCode().equalsIgnoreCase("AllPrices")) {
                if (searchResult!= null && searchResult.getProducts()!=null) {
                    int count=searchResult.getProducts().size();
                    if (count>0) {
                        for (int j = 0; j < count; j++) {
                            searchResult.getProducts().get(j).setPriceVisibilityALL(true);    
                        }
                    }    

                }
            }
        }

        if (searchResult != null && searchResult.getProducts() != null) {
            List<ProductData> productCurrentList = new ArrayList<ProductData>();
            List<ProductData> productNewList = new ArrayList<ProductData>();

            productCurrentList=searchResult.getProducts();
            for (ProductData product : productCurrentList) {
                if (product.getLifeCyle() != null) {
                    if (!product.getLifeCyle().equals("Inactive")) {
                        productNewList.add(product);
                    }
                }
            }
            searchResult.setProducts(productNewList);
        }

        if (searchResult != null && searchResult.getProducts() != null) {
            for (ProductData prodData : searchResult.getProducts()) {
                if (prodData.getStockData() != null && prodData.getStockData().isPriceServiceDown()) {
                    priceCount++;
                }

                if (prodData.getStockData() != null && prodData.getStockData().isStockServiceDown()) {
                    stockCount++;
                }
            }

            if ((searchResult.getProducts().size() == priceCount) && priceCount != 0) {
                priceCount = 0;
                addActionError(getText("error.price.display.price.notretrived"));
            }

            if ((searchResult.getProducts().size() == stockCount) && stockCount != 0) {
                stockCount = 0;
                addActionError(getText("error.price.display.stock.price.notretrived"));
            }
        }

        processResult(searchResult);
        searchModel.setSearchResult(searchResult);
        calculateTDK();
        BrandData brandData = catalogBrowsingFacade.getBrand(brandCode);
        
        if (brandData != null && brandData.getCode() != null) {
            ((BrandWebModel)model).setLargePictureURL(brandData.getLargePictureUrl());
            ((BrandWebModel)model).setDescription(brandData.getDescription());
            ((BrandWebModel)model).setName(brandData.getName());
        }

        if (searchResult.getRedirectPage() != null) {
            String redirectTo = redirectHandler.handleResultPageCode(searchResult.getRedirectPage());
            if (redirectTo.equalsIgnoreCase("productPage")) {
                return redirectTo;
            } else {
                return Action.SUCCESS;
            }
        }

        if (configurationContext.getPropertyAsBoolean("redirectToNo.searchresult.page")) {
            if (searchResult == null || searchResult.getProducts() == null || (searchResult.getProducts()!=null && searchResult.getProducts().isEmpty())) {
                return "noProductsFound";
            }
        }

        return Action.SUCCESS;
    }

    public void setCatalogBrowsingFacade(CatalogBrowsingFacade catalogBrowsingFacade) {
        this.catalogBrowsingFacade = catalogBrowsingFacade;
    }

    public void setFormatStrategy(final FormatStrategy formatStrategy) {
        this.formatStrategy = formatStrategy;
    }

    public void setRedirectHandler(RedirectHandler redirectHandler) {
        this.redirectHandler = redirectHandler;
    }
    
    protected HomeWebModel homeModel;
    
    public HomeWebModel getHomeModel() {
        return homeModel;
    }
    
    public void setHomeModel(final HomeWebModel homeModel) {
        this.homeModel = homeModel;
    }
    
    protected SearchWebModel searchModel;
    public SearchWebModel getSearchModel() {
        return searchModel;
    }
    
    public void setSearchModel(SearchWebModel searchModel) {
        this.searchModel = searchModel;
    }

}