serviceeventhandler.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

                        if (fileName.indexOf('\\') > -1 || fileName.indexOf('/') > -1) {
                            // get just the file name IE and other browsers also pass in the local path
                            int lastIndex = fileName.lastIndexOf('\\');
                            if (lastIndex == -1) {
                                lastIndex = fileName.lastIndexOf('/');
                            }
                            if (lastIndex > -1) {
                                fileName = fileName.substring(lastIndex + 1);
                            }
                        }
                        multiPartMap.put(fieldName, new ByteWrapper(item.get()));
                        multiPartMap.put("_" + fieldName + "_size", new Long(item.getSize()));
                        multiPartMap.put("_" + fieldName + "_fileName", fileName);
                        multiPartMap.put("_" + fieldName + "_contentType", item.getContentType());
                    }
                }
            }
        }

        // store the multi-part map as an attribute so we can access the parameters
        request.setAttribute("multiPartMap", multiPartMap);

        // we have a service and the model; build the context
        Map serviceContext = new HashMap();
        Iterator modelParmInIter = model.getInModelParamList().iterator();
        while (modelParmInIter.hasNext()) {
            ModelParam modelParam = (ModelParam) modelParmInIter.next();
            String name = modelParam.name;

            // don't include userLogin, that's taken care of below
            if ("userLogin".equals(name)) continue;
            // don't include locale, that is also taken care of below
            if ("locale".equals(name)) continue;

            Object value = null;
            if (modelParam.stringMapPrefix != null && modelParam.stringMapPrefix.length() > 0) {
                Map paramMap = UtilHttp.makeParamMapWithPrefix(request, multiPartMap, modelParam.stringMapPrefix, null);
                value = paramMap;
                if (Debug.verboseOn()) Debug.log("Set [" + modelParam.name + "]: " + paramMap, module);
            } else if (modelParam.stringListSuffix != null && modelParam.stringListSuffix.length() > 0) {
                List paramList = UtilHttp.makeParamListWithSuffix(request, multiPartMap, modelParam.stringListSuffix, null);
                value = paramList;
            } else {
                // first check the multi-part map
                value = multiPartMap.get(name);

                // check the request parameters
                if (UtilValidate.isEmpty(value)) {
                    // normal parameter data, which can either be a single value or an array of values
                    String[] paramArr = request.getParameterValues(name);
                    if (paramArr != null) {
                        if (paramArr.length > 1) {
                            value = Arrays.asList(paramArr);
                        } else {
                            value = paramArr[0];
                        }
                    }
                    // make any composite parameter data (e.g., from a set of parameters {name_c_date, name_c_hour, name_c_minutes})
                    if (value == null) {
                        value = UtilHttp.makeParamValueFromComposite(request, name, locale);
                    }
                }

                // next check attributes
                if (UtilValidate.isEmpty(value)) {
                    Object tempVal = request.getAttribute(name);
                    if (tempVal != null) {
                        value = tempVal;
                    }
                }

                // then session
                if (UtilValidate.isEmpty(value)) {
                    Object tempVal = request.getSession().getAttribute(name);
                    if (tempVal != null) {
                        value = tempVal;
                    }
                }

                // no field found
                if (value == null) {
                    //still null, give up for this one
                    continue;
                }

                if (value instanceof String && ((String) value).length() == 0) {
                    // interpreting empty fields as null values for each in back end handling...
                    value = null;
                }
            }
            // set even if null so that values will get nulled in the db later on
            serviceContext.put(name, value);
        }

        // get only the parameters for this service - converted to proper type
        // TODO: pass in a list for error messages, like could not convert type or not a proper X, return immediately with messages if there are any
        List errorMessages = new LinkedList();
        serviceContext = model.makeValid(serviceContext, ModelService.IN_PARAM, true, errorMessages, locale);
        if (errorMessages.size() > 0) {
            // uh-oh, had some problems...
            request.setAttribute("_ERROR_MESSAGE_LIST_", errorMessages);
            return "error";
        }

        // include the UserLogin value object
        if (userLogin != null) {
            serviceContext.put("userLogin", userLogin);
        }

        // include the Locale object
        if (locale != null) {
            serviceContext.put("locale", locale);
        }

        // invoke the service
        Map result = null;
        try {
            if (ASYNC.equalsIgnoreCase(mode)) {
                dispatcher.runAsync(serviceName, serviceContext);
            } else {
                result = dispatcher.runSync(serviceName, serviceContext);
            }
        } catch (ServiceAuthException e) {
            // not logging since the service engine already did
            request.setAttribute("_ERROR_MESSAGE_", e.getNonNestedMessage());
            return "error";
        } catch (ServiceValidationException e) {
            // not logging since the service engine already did
            request.setAttribute("serviceValidationException", e);
            if (e.getMessageList() != null) {
                request.setAttribute("_ERROR_MESSAGE_LIST_", e.getMessageList());
            } else {
                request.setAttribute("_ERROR_MESSAGE_", e.getNonNestedMessage());
            }
            return "error";
        } catch (GenericServiceException e) {
            Debug.logError(e, "Service invocation error", module);
            throw new EventHandlerException("Service invocation error", e.getNested());
        }

        String responseString = null;

        if (result == null) {
            responseString = ModelService.RESPOND_SUCCESS;
        } else {

            if (!result.containsKey(ModelService.RESPONSE_MESSAGE)) {
                responseString = ModelService.RESPOND_SUCCESS;
            } else {
                responseString = (String) result.get(ModelService.RESPONSE_MESSAGE);
            }

            // set the messages in the request; this will be picked up by messages.ftl and displayed
            request.setAttribute("_ERROR_MESSAGE_LIST_", result.get(ModelService.ERROR_MESSAGE_LIST));
            request.setAttribute("_ERROR_MESSAGE_MAP_", result.get(ModelService.ERROR_MESSAGE_MAP));
            request.setAttribute("_ERROR_MESSAGE_", result.get(ModelService.ERROR_MESSAGE));

            request.setAttribute("_EVENT_MESSAGE_LIST_", result.get(ModelService.SUCCESS_MESSAGE_LIST));
            request.setAttribute("_EVENT_MESSAGE_", result.get(ModelService.SUCCESS_MESSAGE));

            // set the results in the request
            Iterator rmei = result.entrySet().iterator();
            while (rmei.hasNext()) {
                Map.Entry rme = (Map.Entry) rmei.next();
                String resultKey = (String) rme.getKey();
                Object resultValue = rme.getValue();

                if (resultKey != null && !ModelService.RESPONSE_MESSAGE.equals(resultKey) && !ModelService.ERROR_MESSAGE.equals(resultKey) &&
                        !ModelService.ERROR_MESSAGE_LIST.equals(resultKey) && !ModelService.ERROR_MESSAGE_MAP.equals(resultKey) &&
                        !ModelService.SUCCESS_MESSAGE.equals(resultKey) && !ModelService.SUCCESS_MESSAGE_LIST.equals(resultKey)) {
                    request.setAttribute(resultKey, resultValue);
                }
            }
        }

        if (Debug.verboseOn()) Debug.logVerbose("[Event Return]: " + responseString, module);
        return responseString;
    }
}