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// SharedXML class.
function SharedXML(identifier) {
this.addNode = SharedXML_addNode;
this.insertNode = SharedXML_insertNode;
this.insertXmlNode = SharedXML_insertXmlNode;
this.findNode = SharedXML_findNode;
this.findNodeByName = SharedXML_findNodeByName;
this.removeNode = SharedXML_removeNode;
//this.getXMLDocument = SharedXML_getXMLDocument;
this.getWorkingNode = SharedXML_getWorkingNode;
this.setAttribte = SharedXML_setAttribte;
this.getItems = SharedXML_getItems;
this.save = SharedXML_save;
this.load = SharedXML_load;
this.applicationIdentifier = identifier;
this.xmlSection = "ROOM";
}
/**
* Add new xml node in shared xml. Assign new id to this node.
* @return Newly created xml node.
*/
function SharedXML_addNode() {
var now = new Date();
var id = now.valueOf();
return this.insertNode(id)
}
/**
* Iserts new xml node in shared xml. Assign specified id to this node.
* @return Newly created xml node.
*/
function SharedXML_insertNode(id) {
var workingNode = this.getWorkingNode();
var xmlDoc = workingNode.ownerDocument;
var element = xmlDoc.createElement(this.xmlSection);
workingNode.appendChild(element);
this.setAttribte(element, "ID", id);
return element;
}
/**
* Inserts specified node to this branch.
*/
function SharedXML_insertXmlNode(xmlNode) {
var workingNode = this.getWorkingNode();
workingNode.appendChild(xmlNode);
}
/**
* Create or rename name-value pair of attribute.
* @param name the attribute name.
* @param value attribute value.
*/
function SharedXML_setAttribte(xmlNode, name, value) {
var attributeNode = xmlNode.attributes.getNamedItem(name);
if(attributeNode != null) {
attributeNode.nodeValue = value;
}
else {
var xmlDoc = xmlNode.ownerDocument;
attributeNode = xmlDoc.createAttribute(name);
attributeNode.nodeValue = value;
xmlNode.attributes.setNamedItem(attributeNode);
}
}
/**
* Find node by id.
* @param id unique id to search.
* @return XML node if found or undefined value;
*/
function SharedXML_findNode(id) {
var workingNode = this.getWorkingNode();
var xmlDoc = workingNode.ownerDocument;
xmlDoc.setProperty("SelectionLanguage", "XPath");
var queryString = "*[@ID=" + id + "]";
return workingNode.selectSingleNode(queryString);
}
/**
* Find node by name.
* @param name unique name to search.
* @return XML node if found or null;
*/
function SharedXML_findNodeByName(name) {
var workingNode = this.getWorkingNode();
var xmlDoc = workingNode.ownerDocument;
xmlDoc.setProperty("SelectionLanguage", "XPath");
var queryString = "*[@NAME=\"" + name + "\"]";
return workingNode.selectSingleNode(queryString);
}
/**
* Removes specified node.
* @param xmlNode node to delete.
*/
function SharedXML_removeNode(xmlNode) {
var workingNode = this.getWorkingNode();
workingNode.removeChild(xmlNode);
}
/**
* Provides access to root node and first time creation
* of shared XML Document.
* @return Root node of shared FreeThreadedDOMDocument object.
*/
function SharedXML_getWorkingNode() {
var xmlDoc = Application(this.applicationIdentifier);
if(typeof(xmlDoc) == "undefined" || xmlDoc == null) {
xmlDoc = Server.CreateObject("MSXML.FreeThreadedDOMDocument");
}
if(xmlDoc.firstChild == null) {
var rootElement=xmlDoc.createElement("ROOT");
xmlDoc.appendChild(rootElement);
Application(this.applicationIdentifier) = xmlDoc;
}
return xmlDoc.firstChild;
}
/**
* Provides access and first time creation of shared XML Document.
* @return Shared FreeThreadedDOMDocument object.
*/
/*function SharedXML_getXMLDocument() {
//if(typeof(Application) != "undefined") {
var xmlDoc = Application(this.applicationIdentifier);
if(typeof(xmlDoc) == "undefined" || xmlDoc == null) {
xmlDoc = Server.CreateObject("MSXML.FreeThreadedDOMDocument");
}
if(xmlDoc.firstChild == null) {
var rootElement=xmlDoc.createElement("ROOT");
xmlDoc.appendChild(rootElement);
Application(this.applicationIdentifier) = xmlDoc;
}
return xmlDoc;
//}
//else {
// Testing purposes only.
// var xmlDoc = app;
// if(typeof(xmlDoc) == "undefined") {
// xmlDoc = WScript.CreateObject("MSXML.FreeThreadedDOMDocument");
// var rootElement=xmlDoc.createElement("ROOT");
// xmlDoc.appendChild(rootElement);
// app = xmlDoc;
// }
// return xmlDoc;
//}
}*/
//var app;
/**
* Queries list of data items.
* @return XMLNodesList of managed child items.
*/
function SharedXML_getItems() {
var workingNode = this.getWorkingNode();
var itemsList = workingNode.childNodes;
return itemsList;
}
/**
* Save shared data to file.
*/
function SharedXML_save(fileName) {
var workingNode = this.getWorkingNode();
var xmlDoc = workingNode.ownerDocument;
xmlDoc.save(fileName);
}
/**
* Load shared data from file.
*/
function SharedXML_load(fileName) {
var workingNode = this.getWorkingNode();
var xmlDoc = workingNode.ownerDocument;
xmlDoc.load(fileName);
}
// SharedXML class.
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