dhlservices.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

            String templateName = UtilProperties.getPropertyValue(shipmentPropertiesFile, "shipment.template.dhl.rate.estimate");
            if ((templateName == null) || (templateName.trim().length() == 0)) {
                return ServiceUtil.returnError("Cannot get DHL Estimate: DHL Rate template not configured (shipment.template.dhl.rate.estimate");
            }
            StringWriter outWriter = new StringWriter();
            Map inContext = new HashMap();
            inContext.put("action", "GenerateLabel");
            inContext.put("userid", userid);
            inContext.put("password", password);
            inContext.put("accountNbr", accountNbr);
            inContext.put("shippingKey", shippingKey);
            inContext.put("shipDate", UtilDateTime.nowTimestamp());
            inContext.put("dhlShipmentDetailCode", dhlShipmentDetailCode);
            inContext.put("weight", roundedWeight);
            inContext.put("senderPhoneNbr", originPhoneNumber);
            inContext.put("companyName", destPostalAddress.getString("toName"));
            inContext.put("attnTo", destPostalAddress.getString("attnName"));
            inContext.put("street", destPostalAddress.getString("address1"));
            inContext.put("streetLine2", destPostalAddress.getString("address2"));
            inContext.put("city", destPostalAddress.getString("city"));
            inContext.put("state", destPostalAddress.getString("stateProvinceGeoId"));
            inContext.put("postalCode", destPostalAddress.getString("postalCode"));  
            inContext.put("phoneNbr", destPhoneNumber);
            inContext.put("labelImageType", labelImagePreference);
            
            try {
                Map tmpResult = ContentWorker.renderContentAsText(delegator, templateName, outWriter, inContext, null, locale, "text/plain");
            } catch (Exception e) {
                Debug.logError(e, "Cannot confirm DHL shipment: Failed to render DHL XML Request.", module);
                return ServiceUtil.returnError("Cannot confirm DHL shipment: Failed to render DHL XML Request.");
            }
            String requestString = outWriter.toString();
            if (Debug.verboseOn()) {
                Debug.logVerbose(requestString, module);
            }

            // send the request
            String responseString = null;
            try {
                responseString = sendDhlRequest(requestString);
                if (Debug.verboseOn()) {
                    Debug.logVerbose(responseString, module);
                }
            } catch (DhlConnectException e) {
                String uceErrMsg = "Error sending DHL request for DHL Service Rate: " + e.toString();
                Debug.logError(e, uceErrMsg, module);
                return ServiceUtil.returnError(uceErrMsg);
            }
            // pass to handler method
            return handleDhlShipmentConfirmResponse(responseString, shipmentRouteSegment, shipmentPackageRouteSegs);
            
        } catch (GenericEntityException e) {
            Debug.logError(e, module);
            if (shipmentConfirmResponseString != null) {
                Debug.logError("Got XML ShipmentConfirmRespose: " + shipmentConfirmResponseString, module);
                return ServiceUtil.returnError(UtilMisc.toList(
                            "Error reading or writing Shipment data for DHL Shipment Confirm: " + e.toString(),
                            "A ShipmentConfirmRespose was received: " + shipmentConfirmResponseString));
            } else {
                return ServiceUtil.returnError("Error reading or writing Shipment data for DHL Shipment Confirm: " + e.toString());
            }
        } catch (GenericServiceException e) {
            Debug.logError(e, module);
            return ServiceUtil.returnError("Error reading or writing Shipment data for DHL Shipment Confirm: " + e.toString());
        }
    }

    // NOTE: Must VOID shipments on errors
    public static Map handleDhlShipmentConfirmResponse(String rateResponseString, GenericValue shipmentRouteSegment, 
            List shipmentPackageRouteSegs) throws GenericEntityException {
        Map result = new HashMap();
        GenericValue shipmentPackageRouteSeg = (GenericValue) shipmentPackageRouteSegs.get(0);
        
        // TODO: figure out how to handle validation on return XML, which can be mangled
        // Ideas: try again right away, let user try again, etc.
        Document rateResponseDocument = null;
        try {
            rateResponseDocument = UtilXml.readXmlDocument(rateResponseString, false);
        } catch (SAXException e2) {
            String excErrMsg = "Error parsing the RatingServiceSelectionResponse: " + e2.toString();
            Debug.logError(e2, excErrMsg, module);
            // TODO: VOID
        } catch (ParserConfigurationException e2) {
            String excErrMsg = "Error parsing the RatingServiceSelectionResponse: " + e2.toString();
            Debug.logError(e2, excErrMsg, module);
            // TODO VOID
        } catch (IOException e2) {
            String excErrMsg = "Error parsing the RatingServiceSelectionResponse: " + e2.toString();
            Debug.logError(e2, excErrMsg, module);
            // TODO VOID
        }
        
        // tracking number: Shipment/ShipmentDetail/AirbillNbr
        Element rootElement = rateResponseDocument.getDocumentElement();
        Element shipmentElement = UtilXml.firstChildElement(rootElement, "Shipment");
        Element shipmentDetailElement = UtilXml.firstChildElement(shipmentElement, "ShipmentDetail");
        String trackingNumber = UtilXml.childElementValue(shipmentDetailElement, "AirbillNbr");
        
        // label: Shipment/Label/Image
        Element labelElement = UtilXml.firstChildElement(shipmentElement, "Label");
        String encodedImageString = UtilXml.childElementValue(labelElement, "Image");
        if (encodedImageString == null) {
            Debug.logError("Cannot find response DHL shipment label.  Rate response document is: " + rateResponseString, module);
            return ServiceUtil.returnError("Cannot get response DHL shipment label for shipment package route segment " + shipmentPackageRouteSeg + ".  DHL response is: " + rateResponseString);
        }
        
        // TODO: this is a temporary hack to replace the newlines so that Base64 likes the input This is NOT platform independent
        int size = encodedImageString.length();
        StringBuffer sb = new StringBuffer();
        for (int i = 0; i < size; i++) {
            if (encodedImageString.charAt(i) == '\n')
                continue;
            sb.append(encodedImageString.charAt(i));
        }
        byte[] labelBytes = Base64.base64Decode(sb.toString().getBytes());
        
        if (labelBytes != null) {
            // store in db blob
            shipmentPackageRouteSeg.setBytes("labelImage", labelBytes);
        } else {
            Debug.log("Failed to either decode returned DHL label or no data found in eCommerce/Shipment/Label/Image.");
            // TODO: VOID
        }
        
        shipmentPackageRouteSeg.set("trackingCode", trackingNumber);
        shipmentPackageRouteSeg.set("labelHtml", sb.toString());
        shipmentPackageRouteSeg.store();
        
        shipmentRouteSegment.set("trackingIdNumber", trackingNumber);
        shipmentRouteSegment.put("carrierServiceStatusId", "SHRSCS_CONFIRMED");
        shipmentRouteSegment.store();
        
        return ServiceUtil.returnSuccess("DHL Shipment Confirmed.");
    }

    private static double getWeight(List shippableItemInfo) {
        double totalWeight = 0;
        if (shippableItemInfo != null) {
            Iterator sii = shippableItemInfo.iterator();
            while (sii.hasNext()) {
                Map itemInfo = (Map) sii.next();
                double weight = ((Double) itemInfo.get("weight")).doubleValue();
                totalWeight = totalWeight + weight;
            }
        }
        return totalWeight;
    }

    public static Document createAccessRequestDocument() {
        return createAccessRequestDocument(shipmentPropertiesFile);
    }

    public static Document createAccessRequestDocument(String props) {
        Document eCommerceRequestDocument = UtilXml
                .makeEmptyXmlDocument("eCommerce");
        Element eCommerceRequesElement = eCommerceRequestDocument
                .getDocumentElement();
        eCommerceRequesElement.setAttribute("version", UtilProperties
                .getPropertyValue(props, "shipment.dhl.head.version"));
        eCommerceRequesElement.setAttribute("action", UtilProperties
                .getPropertyValue(props, "shipment.dhl.head.action"));
        Element requestorRequestElement = UtilXml.addChildElement(
                eCommerceRequesElement, "Requestor", eCommerceRequestDocument);
        UtilXml
                .addChildElementValue(requestorRequestElement, "ID",
                        UtilProperties.getPropertyValue(props,
                                "shipment.dhl.access.userid"),
                        eCommerceRequestDocument);
        UtilXml.addChildElementValue(requestorRequestElement, "Password",
                UtilProperties.getPropertyValue(props,
                        "shipment.dhl.access.password"),
                eCommerceRequestDocument);

        return eCommerceRequestDocument;
    }

    public static void handleErrors(Element responseElement, List errorList) {
        Element faultsElement = UtilXml.firstChildElement(responseElement,
                "Faults");
        List faultElements = UtilXml.childElementList(faultsElement, "Fault");
        if (UtilValidate.isNotEmpty(faultElements)) {
            Iterator errorElementIter = faultElements.iterator();
            while (errorElementIter.hasNext()) {
                StringBuffer errorMessageBuf = new StringBuffer();
                Element errorElement = (Element) errorElementIter.next();

                String errorCode = UtilXml.childElementValue(errorElement,
                        "Code");
                String errorDescription = UtilXml.childElementValue(
                        errorElement, "Desc");
                String errorSource = UtilXml.childElementValue(errorElement,
                        "Source");
                if (UtilValidate.isEmpty(errorSource)) {
                    errorSource = UtilXml.childElementValue(errorElement,
                            "Context");
                }
                errorMessageBuf.append("An error occurred [code:");
                errorMessageBuf.append(errorCode);
                errorMessageBuf.append("] ");
                errorMessageBuf.append(" [Description:");
                errorMessageBuf.append(errorDescription);
                errorMessageBuf.append("] ");
                errorMessageBuf.append(". ");
                if (UtilValidate.isNotEmpty(errorSource)) {
                    errorMessageBuf.append("The error was at Element [");
                    errorMessageBuf.append(errorSource);
                    errorMessageBuf.append("]");
                }
                errorList.add(errorMessageBuf.toString());
            }
        }
    }
}


class DhlConnectException extends GeneralException {
    DhlConnectException() {
        super();
    }

    DhlConnectException(String msg) {
        super(msg);
    }

    DhlConnectException(Throwable t) {
        super(t);
    }

    DhlConnectException(String msg, Throwable t) {
        super(msg, t);
    }
}