131 lines
4.5 KiB
JavaScript
131 lines
4.5 KiB
JavaScript
//
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// Copyright (c) Microsoft and contributors. All rights reserved.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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//
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// See the License for the specific language governing permissions and
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// limitations under the License.
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//
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// Module dependencies.
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var azureCommon = require('./../../../common/common.core');
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var azureutil = azureCommon.util;
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var xmlbuilder = azureCommon.xmlbuilder;
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var Constants = azureCommon.Constants;
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var HeaderConstants = Constants.HeaderConstants;
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/**
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* Creates a new QueueMessageResult object.
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* @class
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* The QueueMessageResult class is used to store the queue message information.
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*
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* @property {string} queue The queue name.
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* @property {string} messageId The message id.
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* @property {string} popReceipt The pop receipt.
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* @property {string} messageText The message text.
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* @property {string} timeNextVisible The time next visible.
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* @property {string} insertionTime The insertion time.
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* @property {string} expirationTime The expiration time.
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* @property {number} dequeueCount The dequeue count.
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*
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* @constructor
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* @param {string} [queue] The queue name.
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* @param {string} [messageId] The message id.
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* @param {string} [popReceipt] The pop receipt.
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*/
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function QueueMessageResult(queue, messageId, popReceipt) {
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if (queue) {
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this.queue = queue;
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}
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if (messageId) {
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this.messageId = messageId;
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}
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if (popReceipt) {
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this.popReceipt = popReceipt;
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}
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}
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/**
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* Builds an XML representation for a queue message
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*
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* @param {string} messageJs The queue message.
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* @param {QueueMessageEncoder} The message encoder.
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* @return {string} The XML queue message.
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*/
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QueueMessageResult.serialize = function (messageJs, encoder) {
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var doc = xmlbuilder.create();
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doc = doc.begin(Constants.QueueConstants.QUEUE_MESSAGE_ELEMENT, { version: '1.0', encoding: 'utf-8' });
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if (messageJs) {
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var message;
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if (encoder !== null && encoder !== undefined) {
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message = encoder.encode(messageJs);
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} else {
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message = messageJs;
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}
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doc.ele(Constants.QueueConstants.MESSAGE_TEXT_ELEMENT)
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.txt(message)
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.up();
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} else {
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doc.ele(Constants.QueueConstants.MESSAGE_TEXT_ELEMENT).up();
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}
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return doc.doc().toString();
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};
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/**
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* Pase the XML representation of a queue message to a QueueMessageResult object.
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*
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* @param {Object} messageXml The XML representation of the queue message.
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* @param {QueueMessageEncoder} The message encoder.
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* @return {QueueMessageResult} The QueueMessageResult object.
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*/
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QueueMessageResult.parse = function (messageXml, encoder) {
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var queueMessageResult = new QueueMessageResult();
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for (var property in messageXml) {
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if (property === Constants.QueueConstants.MESSAGE_TEXT_ELEMENT) {
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if (encoder !== null && encoder !== undefined) {
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queueMessageResult.messageText = encoder.decode(messageXml[property]);
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} else {
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queueMessageResult.messageText = messageXml[property];
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}
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} else {
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var resultPropertyName = azureutil.normalizePropertyNameFromXML(property);
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queueMessageResult[resultPropertyName] = messageXml[property];
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}
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}
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// Convert dequeueCount to number
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if (queueMessageResult.dequeueCount) {
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queueMessageResult.dequeueCount = parseInt(queueMessageResult.dequeueCount);
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}
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return queueMessageResult;
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};
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QueueMessageResult.prototype.getPropertiesFromHeaders = function (headers) {
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var self = this;
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var setmessagePropertyFromHeaders = function (messageProperty, headerProperty) {
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if (!self[messageProperty] && headers[headerProperty.toLowerCase()]) {
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self[messageProperty] = headers[headerProperty.toLowerCase()];
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}
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};
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setmessagePropertyFromHeaders('popReceipt', HeaderConstants.POP_RECEIPT);
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setmessagePropertyFromHeaders('timeNextVisible', HeaderConstants.TIME_NEXT_VISIBLE);
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};
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module.exports = QueueMessageResult; |