screenrenderer.java

Sequoia ERP是一个真正的企业级开源ERP解决方案。它提供的模块包括：电子商务应用(e-commerce), POS系统(point of sales),知识管理,存货与仓库管理

                Object param = parameterMap.get(attrName);
                if (param == null) {
                    parameterMap.put(attrName, attrValue);
                } else if (param instanceof String && ((String) param).length() == 0) {
                    // also put the attribute value in if the parameter is empty
                    parameterMap.put(attrName, attrValue);
                } else {
                    // do nothing, just log something
                    Debug.logInfo("Found request attribute that conflicts with parameter name, leaving request parameter in place for name: " + attrName, module);
                }
            } else {
                parameterMap.put(attrName, attrValue);
            }
        }

        // do the same for session attributes, for convenience
        Enumeration sessionAttrNames = session.getAttributeNames();
        while (sessionAttrNames.hasMoreElements()) {
            String attrName = (String) sessionAttrNames.nextElement();
            if (attrNamesToSkip.contains(attrName)) continue;
            Object attrValue = session.getAttribute(attrName);
            Object param = parameterMap.get(attrName);
            if (param == null) {
                parameterMap.put(attrName, attrValue);
            } else if (param instanceof String && ((String) param).length() == 0) {
                // also put the attribute value in if the parameter is empty
                parameterMap.put(attrName, attrValue);
            } else {
                // do nothing, just log something
                Debug.logInfo("Found session attribute that conflicts with parameter name, leaving request parameter in place for name: " + attrName, module);
            }
        }

        // do the same for servlet context (application) attribute, for convenience
        Enumeration applicationAttrNames = servletContext.getAttributeNames();
        while (applicationAttrNames.hasMoreElements()) {
            String attrName = (String) applicationAttrNames.nextElement();
            if (attrNamesToSkip.contains(attrName)) continue;
            Object param = parameterMap.get(attrName);
            Object attrValue = servletContext.getAttribute(attrName);
            if (Debug.verboseOn()) Debug.logVerbose("Getting parameter from application attrbute with name [" + attrName + "] and value [" + attrValue + "]", module);
            if (param == null) {
                parameterMap.put(attrName, attrValue);
            } else if (param instanceof String && ((String) param).length() == 0) {
                // also put the attribute value in if the parameter is empty
                parameterMap.put(attrName, attrValue);
            } else {
                // do nothing, just log something
                Debug.logInfo("Found servlet context (application) attribute that conflicts with parameter name, leaving request parameter in place for name: " + attrName, module);
            }
        }

        GenericValue userLogin = (GenericValue) session.getAttribute("userLogin");
        
        this.populateBasicContext(parameterMap, (GenericDelegator) request.getAttribute("delegator"), 
                (LocalDispatcher) request.getAttribute("dispatcher"), (Security) request.getAttribute("security"), 
                UtilHttp.getLocale(request), userLogin);

        context.put("autoUserLogin", session.getAttribute("autoUserLogin"));
        context.put("person", session.getAttribute("person"));
        context.put("partyGroup", session.getAttribute("partyGroup"));

        // some things also seem to require this, so here it is:
        request.setAttribute("userLogin", userLogin);

        // ========== setup values that are specific to OFBiz webapps

        // this is the object used to render forms from their definitions
        context.put("formStringRenderer", new HtmlFormRenderer(request, response));

        context.put("request", request);
        context.put("response", response);
        context.put("session", session);
        context.put("application", servletContext);
        if (servletContext != null) {
            String rootDir = (String) context.get("rootDir");
            String webSiteId = (String) context.get("webSiteId");
            String https = (String) context.get("https");
            if (UtilValidate.isEmpty(rootDir)) {
                rootDir = servletContext.getRealPath("/");
                context.put("rootDir", rootDir);
            }
            if (UtilValidate.isEmpty(webSiteId)) {
                webSiteId = (String) servletContext.getAttribute("webSiteId");
                context.put("webSiteId", webSiteId);
            }
            if (UtilValidate.isEmpty(https)) {
                https = (String) servletContext.getAttribute("https");
                context.put("https", https);
            }
        }

        // these ones are FreeMarker specific and will only work in FTL templates, mainly here for backward compatibility
        BeansWrapper wrapper = BeansWrapper.getDefaultInstance();
        context.put("sessionAttributes", new HttpSessionHashModel(session, wrapper));
        context.put("requestAttributes", new HttpRequestHashModel(request, wrapper));
        TaglibFactory JspTaglibs = new TaglibFactory(servletContext);
        context.put("JspTaglibs", JspTaglibs);
        context.put("requestParameters",  UtilHttp.getParameterMap(request));

        // this is a dummy object to stand-in for the JPublish page object for backward compatibility
        context.put("page", FastMap.newInstance());

        // some information from/about the ControlServlet environment
        context.put("controlPath", request.getAttribute("_CONTROL_PATH_"));
        context.put("contextRoot", request.getAttribute("_CONTEXT_ROOT_"));
        context.put("serverRoot", request.getAttribute("_SERVER_ROOT_URL_"));
        context.put("checkLoginUrl", LoginWorker.makeLoginUrl(request, "checkLogin"));
        String externalLoginKey = LoginWorker.getExternalLoginKey(request);
        String externalKeyParam = externalLoginKey == null ? "" : "&externalLoginKey=" + externalLoginKey;
        context.put("externalLoginKey", externalLoginKey);
        context.put("externalKeyParam", externalKeyParam);

        // setup message lists
        List eventMessageList = (List) request.getAttribute("eventMessageList");
        if (eventMessageList == null) eventMessageList = new LinkedList();
        List errorMessageList = (List) request.getAttribute("errorMessageList");
        if (errorMessageList == null) errorMessageList = new LinkedList();

        if (request.getAttribute("_EVENT_MESSAGE_") != null) {
            eventMessageList.add(UtilFormatOut.replaceString((String) request.getAttribute("_EVENT_MESSAGE_"), "\n", "<br/>"));
            request.removeAttribute("_EVENT_MESSAGE_");
        }
        if (request.getAttribute("_EVENT_MESSAGE_LIST_") != null) {
            eventMessageList.addAll((List) request.getAttribute("_EVENT_MESSAGE_LIST_"));
            request.removeAttribute("_EVENT_MESSAGE_LIST_");
        }
        if (request.getAttribute("_ERROR_MESSAGE_") != null) {
            errorMessageList.add(UtilFormatOut.replaceString((String) request.getAttribute("_ERROR_MESSAGE_"), "\n", "<br/>"));
            request.removeAttribute("_ERROR_MESSAGE_");
        }
        if (session.getAttribute("_ERROR_MESSAGE_") != null) {
            errorMessageList.add(UtilFormatOut.replaceString((String) session.getAttribute("_ERROR_MESSAGE_"), "\n", "<br/>"));
            session.removeAttribute("_ERROR_MESSAGE_");
        }
        if (request.getAttribute("_ERROR_MESSAGE_LIST_") != null) {
            errorMessageList.addAll((List) request.getAttribute("_ERROR_MESSAGE_LIST_"));
            request.removeAttribute("_ERROR_MESSAGE_LIST_");
        }
        context.put("eventMessageList", eventMessageList);
        context.put("errorMessageList", errorMessageList);

        if (request.getAttribute("serviceValidationException") != null) {
            context.put("serviceValidationException", request.getAttribute("serviceValidationException"));
            request.removeAttribute("serviceValidationException");
        }

        // if there was an error message, this is an error
        if (errorMessageList.size() > 0) {
            context.put("isError", Boolean.TRUE);
        } else {
            context.put("isError", Boolean.FALSE);
        }
        // if a parameter was passed saying this is an error, it is an error
        if ("true".equals((String) parameterMap.get("isError"))) {
            context.put("isError", Boolean.TRUE);
        }
        context.put("nowTimestamp", UtilDateTime.nowTimestamp());

        // to preserve these values, push the MapStack
        context.push();
    }

    public Map getContext() {
    	return context;
    }
    
    public void populateContextForService(DispatchContext dctx, Map serviceContext) {
        this.populateBasicContext(serviceContext, dctx.getDelegator(), dctx.getDispatcher(), dctx.getSecurity(), 
                (Locale) serviceContext.get("locale"), (GenericValue) serviceContext.get("userLogin"));
    }
}