// *********************************************************************************
// File: fsAtomDelete.js
// Notes: You must run this file with cscript.exe (i.e. not wscript.exe)
//
// Copyright (c) Microsoft Corporation. All Rights Reserved.
// *********************************************************************************
// -------------------------- MAIN (BEGIN) --------------------------
// Validate arguments
var g_Arguments = WScript.Arguments;
if (g_Arguments.length < 2)
{
DisplayUsage();
WScript.Quit();
}
// Get required parameters
var g_SourcePath = g_Arguments(0);
var g_GUID = g_Arguments(1);
// Get optional parameters if specified, otherwise use defaults
// *********************************************************************************
// BIG HONKING NOTE: The "by" value should be a unique value per user/endpoint -
// this sample uses a random number to generate uniqueness.
// Other applications should considering using a more robust
// and persistant value.
var g_By = "fsAtomDelete.js" + Math.random();
if (g_Arguments.length > 2)
g_By = g_Arguments(2);
// *********************************************************************************
var g_pISourceAtomXmlDOMDocument = null;
try
{
// Create instance of XML DOM
g_pISourceAtomXmlDOMDocument = new ActiveXObject("Microsoft.XMLDOM");
g_pISourceAtomXmlDOMDocument.async = false;
// Load source document
var Success = g_pISourceAtomXmlDOMDocument.load(g_SourcePath);
if (!Success)
throw new Error(0, "IXmlDocument::load failed");
}
catch (e)
{
WScript.Echo("Exception while loading '" + g_SourcePath + "': " + e.message);
WScript.Quit();
}
// Get "feed" element
var g_pIFeedXmlDOMElement = g_pISourceAtomXmlDOMDocument.documentElement;
// Check if FeedSync namespace exists
if (g_pIFeedXmlDOMElement.getAttribute("xmlns:sx") == null)
{
WScript.Echo("Not a valid FeedSync file!");
WScript.Quit();
}
// Get "sx:sync" element with matching id
var g_pISyncXmlDOMElement = g_pIFeedXmlDOMElement.selectSingleNode("//entry/sx:sync[@id='" + g_GUID + "']");
// Validate that "sx:sync" element exists
if (g_pISyncXmlDOMElement == null)
{
WScript.Echo("Unable to find 'sx:sync' element with id='" + g_GUID + "'");
WScript.Quit(0);
}
// Get "updates" attribute from "sx:sync" element
var g_Updates = g_pISyncXmlDOMElement.getAttribute("updates");
// Validate "updates" attribute
if (g_Updates == null)
{
WScript.Echo("Unable to get 'updates' attribute from 'sx:sync' element with id='" + g_GUID + "'");
WScript.Quit(0);
}
// Get corresponding "entry" element
var g_pIEntryXmlDOMElement = g_pISyncXmlDOMElement.parentNode;
// Validate that "entry" element exists
if (g_pIEntryXmlDOMElement == null)
{
WScript.Echo("Unable to get 'entry' element for 'sx:sync' element with id='" + g_GUID + "'");
WScript.Quit(0);
}
// Get "author" element from "entry" element
var g_pIAuthorXmlDOMElement = g_pIEntryXmlDOMElement.selectSingleNode("author");
// Validate that "author" element exists
if (g_pIAuthorXmlDOMElement == null)
{
// Create & populate "author" element
g_pIAuthorXmlDOMElement = g_pISourceAtomXmlDOMDocument.createElement("author");
// Append "author" element to "entry" element
g_pIEntryXmlDOMElement.appendChild(g_pIAuthorXmlDOMElement);
}
// Get "name" element from "author" element
var g_pINameXmlDOMElement = g_pIAuthorXmlDOMElement.selectSingleNode("name");
// Validate that "name" element exists
if (g_pINameXmlDOMElement == null)
{
// Create & populate "name" element
g_pINameXmlDOMElement = g_pISourceAtomXmlDOMDocument.createElement("name");
// Append "name" element to "author" element
g_pIAuthorXmlDOMElement.appendChild(g_pINameXmlDOMElement);
}
// Set by for "name" element
g_pINameXmlDOMElement.text = g_By;
// Get the current timedate and format it as RFC 3339
var g_CurrentDateTime = new Date();
var g_Year = g_CurrentDateTime.getYear();
if (g_Year < 70)
g_Year += 2000;
else if (g_Year < 1900)
g_Year += 1900;
var g_Month = g_CurrentDateTime.getMonth() + 1;
if (g_Month <= 9)
g_Month = "0" + g_Month;
var g_Day = g_CurrentDateTime.getDate();
if (g_Day <= 9)
g_Day = "0" + g_Day;
var g_HourUTC = g_CurrentDateTime.getUTCHours();
if (g_HourUTC <= 9)
g_HourUTC = "0" + g_HourUTC;
var g_MinuteUTC = g_CurrentDateTime.getUTCMinutes();
if (g_MinuteUTC <= 9)
g_MinuteUTC = "0" + g_MinuteUTC;
var g_Second = g_CurrentDateTime.getSeconds();
if (g_Second <= 9)
g_Second = "0" + g_Second;
var g_RFC3339DateTime = g_Year + "-" + g_Month + "-" + g_Day + "T" + g_HourUTC + ":" + g_MinuteUTC + ":" + g_Second + "Z";
// Get "updated" element from "updated" element
var g_pIUpdatedXmlDOMElement = g_pIEntryXmlDOMElement.selectSingleNode("updated");
// Validate that "updated" element exists
if (g_pIUpdatedXmlDOMElement == null)
{
// Create "updated" element
g_pIUpdatedXmlDOMElement = g_pISourceAtomXmlDOMDocument.createElement("updated");
// Append "updated" element to "entry" element
g_pIEntryXmlDOMElement.appendChild(g_pIUpdatedXmlDOMElement);
}
// Set updated for "updated" element
g_pIUpdatedXmlDOMElement.text = g_RFC3339DateTime;
// Increment "updates" attribute
++g_Updates;
// Create "sx:history" element
var g_pIHistoryXmlDOMElement = g_pISourceAtomXmlDOMDocument.createElement("sx:history");
// Set "sequence" attribute for "sx:history" element
g_pIHistoryXmlDOMElement.setAttribute("sequence", g_Updates);
// Set "when" attribute for "sx:history" element
g_pIHistoryXmlDOMElement.setAttribute("when", g_RFC3339DateTime);
// Set "by" attribute for "sx:history" element
g_pIHistoryXmlDOMElement.setAttribute("by", g_By);
// Insert "sx:history" element as topmost sub-element of "sx:sync" element
g_pISyncXmlDOMElement.insertBefore(g_pIHistoryXmlDOMElement, g_pISyncXmlDOMElement.childNodes[0]);
// Set "updates" attribute for "sx:sync" element
g_pISyncXmlDOMElement.setAttribute("updates", g_Updates);
// Set "deleted" attribute for "sx:sync" element
g_pISyncXmlDOMElement.setAttribute("deleted", "true");
// Save modified contents to standand output stream
WScript.StdOut.Write(g_pISourceAtomXmlDOMDocument.xml);
// -------------------------- MAIN (END) --------------------------
function DisplayUsage(i_Text)
{
var Text = "Usage:\r\nfsAtomDelete.js [SourcePath] [GUID]\r\n\r\nParameters:\r\n SourcePath=fully qualified filename of original Atom document\r\n GUID=unique value of existing item\r\n";
// If text was provided, prepend it to default usage text
if ((i_Text != null) && (i_Text != ""))
Text = i_Text + "\r\n\r\n" + Text;
WScript.Echo(Text);
}