--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/thirdparty/google_appengine/google/appengine/ext/admin/templates/js/webhook.js	Fri Jun 19 16:13:32 2009 +0200
@@ -0,0 +1,74 @@
+// Copyright 2009 Google Inc.  All Rights Reserved.
+
+function Webhook(formId) {
+  this.formId = formId;
+  this.action = null;
+  this.headers = {};
+  this.method = null;
+  this.payload = null;
+};
+
+Webhook.prototype.HEADER_KEY = 'header:';
+
+Webhook.prototype.parse = function() {
+  var form = document.getElementById(this.formId);
+  if (form == null) {
+    return 'could not find form with id "' + this.formId + '"';
+  };
+  this.action = form.action;
+  this.method = form.method;
+  for (var i = 0, n = form.elements.length; i < n; i++) {
+    var currentElement = form.elements[i];
+    if (currentElement.tagName != 'INPUT' ||
+        currentElement.type.toUpperCase() != 'HIDDEN') {
+      continue;
+    }
+    var key = currentElement.name;
+    var value = currentElement.value;
+    var headerIndex = key.indexOf(this.HEADER_KEY);
+    if (headerIndex == 0) {
+      var header = key.substr(this.HEADER_KEY.length);
+      this.headers[header] = value;
+    } else if (key == 'payload') {
+      this.payload = value;
+    }
+  }
+  
+  if (this.action == '') {
+    return 'action not found';
+  }
+  if (this.method == '') {
+    return 'method not found';
+  }
+  return '';
+};
+
+Webhook.prototype.send = function(callback) {
+  var req = null;
+  if (window.XMLHttpRequest) {
+    req = new XMLHttpRequest();
+  } else if (window.ActiveXObject) {
+    req = new ActiveXObject('MSXML2.XMLHTTP.3.0');
+  }
+
+  try {
+    req.open(this.method, this.action, false);
+    for (var key in this.headers) {
+      req.setRequestHeader(key, this.headers[key]);
+    };
+    req.send(this.payload);
+  } catch (e) {
+    callback(this, req, e);
+    return;
+  }
+  callback(this, req, null);
+};
+
+Webhook.prototype.run = function(callback) {
+  var error = this.parse();
+  if (error != '') {
+    callback(this, null, error);
+  } else {
+    this.send(callback);
+  }
+};