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Standalone service to to run the AKTIN broker and aggregator
together with an i2b2 query frontend.
The newest version!
/*
Copyright (c) 2010, Yahoo! Inc. All rights reserved.
Code licensed under the BSD License:
http://developer.yahoo.com/yui/license.html
version: 2.8.2r1
*/
/**
* The Connection Manager provides a simplified interface to the XMLHttpRequest
* object. It handles cross-browser instantiantion of XMLHttpRequest, negotiates the
* interactive states and server response, returning the results to a pre-defined
* callback you create.
*
* @namespace YAHOO.util
* @module connection
* @requires yahoo
* @requires event
*/
/**
* The Connection Manager singleton provides methods for creating and managing
* asynchronous transactions.
*
* @class Connect
*/
YAHOO.util.Connect =
{
/**
* @description Array of MSFT ActiveX ids for XMLHttpRequest.
* @property _msxml_progid
* @private
* @static
* @type array
*/
_msxml_progid:[
'Microsoft.XMLHTTP',
'MSXML2.XMLHTTP.3.0',
'MSXML2.XMLHTTP'
],
/**
* @description Object literal of HTTP header(s)
* @property _http_header
* @private
* @static
* @type object
*/
_http_headers:{},
/**
* @description Determines if HTTP headers are set.
* @property _has_http_headers
* @private
* @static
* @type boolean
*/
_has_http_headers:false,
/**
* @description Determines if a default header of
* Content-Type of 'application/x-www-form-urlencoded'
* will be added to any client HTTP headers sent for POST
* transactions.
* @property _use_default_post_header
* @private
* @static
* @type boolean
*/
_use_default_post_header:true,
/**
* @description The default header used for POST transactions.
* @property _default_post_header
* @private
* @static
* @type boolean
*/
_default_post_header:'application/x-www-form-urlencoded; charset=UTF-8',
/**
* @description The default header used for transactions involving the
* use of HTML forms.
* @property _default_form_header
* @private
* @static
* @type boolean
*/
_default_form_header:'application/x-www-form-urlencoded',
/**
* @description Determines if a default header of
* 'X-Requested-With: XMLHttpRequest'
* will be added to each transaction.
* @property _use_default_xhr_header
* @private
* @static
* @type boolean
*/
_use_default_xhr_header:true,
/**
* @description The default header value for the label
* "X-Requested-With". This is sent with each
* transaction, by default, to identify the
* request as being made by YUI Connection Manager.
* @property _default_xhr_header
* @private
* @static
* @type boolean
*/
_default_xhr_header:'XMLHttpRequest',
/**
* @description Determines if custom, default headers
* are set for each transaction.
* @property _has_default_header
* @private
* @static
* @type boolean
*/
_has_default_headers:true,
/**
* @description Determines if custom, default headers
* are set for each transaction.
* @property _has_default_header
* @private
* @static
* @type boolean
*/
_default_headers:{},
/**
* @description Collection of polling references to the polling mechanism in handleReadyState.
* @property _poll
* @private
* @static
* @type object
*/
_poll:{},
/**
* @description Queue of timeout values for each transaction callback with a defined timeout value.
* @property _timeOut
* @private
* @static
* @type object
*/
_timeOut:{},
/**
* @description The polling frequency, in milliseconds, for HandleReadyState.
* when attempting to determine a transaction's XHR readyState.
* The default is 50 milliseconds.
* @property _polling_interval
* @private
* @static
* @type int
*/
_polling_interval:50,
/**
* @description A transaction counter that increments the transaction id for each transaction.
* @property _transaction_id
* @private
* @static
* @type int
*/
_transaction_id:0,
/**
* @description Custom event that fires at the start of a transaction
* @property startEvent
* @private
* @static
* @type CustomEvent
*/
startEvent: new YAHOO.util.CustomEvent('start'),
/**
* @description Custom event that fires when a transaction response has completed.
* @property completeEvent
* @private
* @static
* @type CustomEvent
*/
completeEvent: new YAHOO.util.CustomEvent('complete'),
/**
* @description Custom event that fires when handleTransactionResponse() determines a
* response in the HTTP 2xx range.
* @property successEvent
* @private
* @static
* @type CustomEvent
*/
successEvent: new YAHOO.util.CustomEvent('success'),
/**
* @description Custom event that fires when handleTransactionResponse() determines a
* response in the HTTP 4xx/5xx range.
* @property failureEvent
* @private
* @static
* @type CustomEvent
*/
failureEvent: new YAHOO.util.CustomEvent('failure'),
/**
* @description Custom event that fires when a transaction is successfully aborted.
* @property abortEvent
* @private
* @static
* @type CustomEvent
*/
abortEvent: new YAHOO.util.CustomEvent('abort'),
/**
* @description A reference table that maps callback custom events members to its specific
* event name.
* @property _customEvents
* @private
* @static
* @type object
*/
_customEvents:
{
onStart:['startEvent', 'start'],
onComplete:['completeEvent', 'complete'],
onSuccess:['successEvent', 'success'],
onFailure:['failureEvent', 'failure'],
onUpload:['uploadEvent', 'upload'],
onAbort:['abortEvent', 'abort']
},
/**
* @description Member to add an ActiveX id to the existing xml_progid array.
* In the event(unlikely) a new ActiveX id is introduced, it can be added
* without internal code modifications.
* @method setProgId
* @public
* @static
* @param {string} id The ActiveX id to be added to initialize the XHR object.
* @return void
*/
setProgId:function(id)
{
this._msxml_progid.unshift(id);
},
/**
* @description Member to override the default POST header.
* @method setDefaultPostHeader
* @public
* @static
* @param {boolean} b Set and use default header - true or false .
* @return void
*/
setDefaultPostHeader:function(b)
{
if(typeof b == 'string'){
this._default_post_header = b;
}
else if(typeof b == 'boolean'){
this._use_default_post_header = b;
}
},
/**
* @description Member to override the default transaction header..
* @method setDefaultXhrHeader
* @public
* @static
* @param {boolean} b Set and use default header - true or false .
* @return void
*/
setDefaultXhrHeader:function(b)
{
if(typeof b == 'string'){
this._default_xhr_header = b;
}
else{
this._use_default_xhr_header = b;
}
},
/**
* @description Member to modify the default polling interval.
* @method setPollingInterval
* @public
* @static
* @param {int} i The polling interval in milliseconds.
* @return void
*/
setPollingInterval:function(i)
{
if(typeof i == 'number' && isFinite(i)){
this._polling_interval = i;
}
},
/**
* @description Instantiates a XMLHttpRequest object and returns an object with two properties:
* the XMLHttpRequest instance and the transaction id.
* @method createXhrObject
* @private
* @static
* @param {int} transactionId Property containing the transaction id for this transaction.
* @return object
*/
createXhrObject:function(transactionId)
{
var obj,http,i;
try
{
// Instantiates XMLHttpRequest in non-IE browsers and assigns to http.
http = new XMLHttpRequest();
// Object literal with http and tId properties
obj = { conn:http, tId:transactionId, xhr: true };
}
catch(e)
{
for(i=0; i= 200 && httpStatus < 300) || httpStatus === 1223 || xdrS){
responseObject = o.xdr ? o.r : this.createResponseObject(o, args);
if(callback && callback.success){
if(!callback.scope){
callback.success(responseObject);
}
else{
// If a scope property is defined, the callback will be fired from
// the context of the object.
callback.success.apply(callback.scope, [responseObject]);
}
}
// Fire global custom event -- successEvent
this.successEvent.fire(responseObject);
if(o.successEvent){
// Fire transaction custom event -- successEvent
o.successEvent.fire(responseObject);
}
}
else{
switch(httpStatus){
// The following cases are wininet.dll error codes that may be encountered.
case 12002: // Server timeout
case 12029: // 12029 to 12031 correspond to dropped connections.
case 12030:
case 12031:
case 12152: // Connection closed by server.
case 13030: // See above comments for variable status.
// XDR transactions will not resolve to this case, since the
// response object is already built in the xdr response.
responseObject = this.createExceptionObject(o.tId, args, (isAbort?isAbort:false));
if(callback && callback.failure){
if(!callback.scope){
callback.failure(responseObject);
}
else{
callback.failure.apply(callback.scope, [responseObject]);
}
}
break;
default:
responseObject = (o.xdr) ? o.response : this.createResponseObject(o, args);
if(callback && callback.failure){
if(!callback.scope){
callback.failure(responseObject);
}
else{
callback.failure.apply(callback.scope, [responseObject]);
}
}
}
// Fire global custom event -- failureEvent
this.failureEvent.fire(responseObject);
if(o.failureEvent){
// Fire transaction custom event -- failureEvent
o.failureEvent.fire(responseObject);
}
}
this.releaseObject(o);
responseObject = null;
},
/**
* @description This method evaluates the server response, creates and returns the results via
* its properties. Success and failure cases will differ in the response
* object's property values.
* @method createResponseObject
* @private
* @static
* @param {object} o The connection object
* @param {callbackArg} callbackArg The user-defined argument or arguments to be passed to the callback
* @return {object}
*/
createResponseObject:function(o, callbackArg)
{
var obj = {}, headerObj = {},
i, headerStr, header, delimitPos;
try
{
headerStr = o.conn.getAllResponseHeaders();
header = headerStr.split('\n');
for(i=0; i' +
'' +
'' +
'',
c = document.createElement('div');
document.body.appendChild(c);
c.innerHTML = o;
}
/**
* @description This method calls the public method on the
* Flash transport to start the XDR transaction. It is analogous
* to Connection Manager's asyncRequest method.
* @method xdr
* @private
* @static
* @param {object} The transaction object.
* @param {string} HTTP request method.
* @param {string} URI for the transaction.
* @param {object} The transaction's callback object.
* @param {object} The JSON object used as HTTP POST data.
* @return {void}
*/
function _xdr(o, m, u, c, d) {
_fn[parseInt(o.tId)] = { 'o':o, 'c':c };
if (d) {
c.method = m;
c.data = d;
}
o.conn.send(u, c, o.tId);
}
/**
* @description This method instantiates the Flash transport and
* establishes a static reference to it, used for all XDR requests.
* @method transport
* @public
* @static
* @param {string} URI to connection.swf.
* @return {void}
*/
function _init(uri) {
_swf(uri);
YCM._transport = document.getElementById('YUIConnectionSwf');
}
function _xdrReady() {
YCM.xdrReadyEvent.fire();
}
/**
* @description This method fires the global and transaction start
* events.
* @method _xdrStart
* @private
* @static
* @param {object} The transaction object.
* @param {string} The transaction's callback object.
* @return {void}
*/
function _xdrStart(o, cb) {
if (o) {
// Fire global custom event -- startEvent
YCM.startEvent.fire(o, cb.argument);
if(o.startEvent){
// Fire transaction custom event -- startEvent
o.startEvent.fire(o, cb.argument);
}
}
}
/**
* @description This method is the initial response handler
* for XDR transactions. The Flash transport calls this
* function and sends the response payload.
* @method handleXdrResponse
* @private
* @static
* @param {object} The response object sent from the Flash transport.
* @return {void}
*/
function _handleXdrResponse(r) {
var o = _fn[r.tId].o,
cb = _fn[r.tId].c;
if (r.statusText === 'xdr:start') {
_xdrStart(o, cb);
return;
}
r.responseText = decodeURI(r.responseText);
o.r = r;
if (cb.argument) {
o.r.argument = cb.argument;
}
this.handleTransactionResponse(o, cb, r.statusText === 'xdr:abort' ? true : false);
delete _fn[r.tId];
}
// Bind the functions to Connection Manager as static fields.
YCM.xdr = _xdr;
YCM.swf = _swf;
YCM.transport = _init;
YCM.xdrReadyEvent = new YAHOO.util.CustomEvent('xdrReady');
YCM.xdrReady = _xdrReady;
YCM.handleXdrResponse = _handleXdrResponse;
})();
/**
* @for Connect
*/
(function(){
var YCM = YAHOO.util.Connect,
YE = YAHOO.util.Event;
/**
* @description Property modified by setForm() to determine if the data
* should be submitted as an HTML form.
* @property _isFormSubmit
* @private
* @static
* @type boolean
*/
YCM._isFormSubmit = false;
/**
* @description Property modified by setForm() to determine if a file(s)
* upload is expected.
* @property _isFileUpload
* @private
* @static
* @type boolean
*/
YCM._isFileUpload = false;
/**
* @description Property modified by setForm() to set a reference to the HTML
* form node if the desired action is file upload.
* @property _formNode
* @private
* @static
* @type object
*/
YCM._formNode = null;
/**
* @description Property modified by setForm() to set the HTML form data
* for each transaction.
* @property _sFormData
* @private
* @static
* @type string
*/
YCM._sFormData = null;
/**
* @description Tracks the name-value pair of the "clicked" submit button if multiple submit
* buttons are present in an HTML form; and, if YAHOO.util.Event is available.
* @property _submitElementValue
* @private
* @static
* @type string
*/
YCM._submitElementValue = null;
/**
* @description Custom event that fires when handleTransactionResponse() determines a
* response in the HTTP 4xx/5xx range.
* @property failureEvent
* @private
* @static
* @type CustomEvent
*/
YCM.uploadEvent = new YAHOO.util.CustomEvent('upload'),
/**
* @description Determines whether YAHOO.util.Event is available and returns true or false.
* If true, an event listener is bound at the document level to trap click events that
* resolve to a target type of "Submit". This listener will enable setForm() to determine
* the clicked "Submit" value in a multi-Submit button, HTML form.
* @property _hasSubmitListener
* @private
* @static
*/
YCM._hasSubmitListener = function() {
if(YE){
YE.addListener(
document,
'click',
function(e){
var obj = YE.getTarget(e),
name = obj.nodeName.toLowerCase();
if((name === 'input' || name === 'button') && (obj.type && obj.type.toLowerCase() == 'submit')){
YCM._submitElementValue = encodeURIComponent(obj.name) + "=" + encodeURIComponent(obj.value);
}
});
return true;
}
return false;
}();
/**
* @description This method assembles the form label and value pairs and
* constructs an encoded string.
* asyncRequest() will automatically initialize the transaction with a
* a HTTP header Content-Type of application/x-www-form-urlencoded.
* @method setForm
* @public
* @static
* @param {string || object} form id or name attribute, or form object.
* @param {boolean} optional enable file upload.
* @param {boolean} optional enable file upload over SSL in IE only.
* @return {string} string of the HTML form field name and value pairs..
*/
function _setForm(formId, isUpload, secureUri)
{
var oForm, oElement, oName, oValue, oDisabled,
hasSubmit = false,
data = [], item = 0,
i,len,j,jlen,opt;
this.resetFormState();
if(typeof formId == 'string'){
// Determine if the argument is a form id or a form name.
// Note form name usage is deprecated by supported
// here for legacy reasons.
oForm = (document.getElementById(formId) || document.forms[formId]);
}
else if(typeof formId == 'object'){
// Treat argument as an HTML form object.
oForm = formId;
}
else{
return;
}
// If the isUpload argument is true, setForm will call createFrame to initialize
// an iframe as the form target.
//
// The argument secureURI is also required by IE in SSL environments
// where the secureURI string is a fully qualified HTTP path, used to set the source
// of the iframe, to a stub resource in the same domain.
if(isUpload){
// Create iframe in preparation for file upload.
this.createFrame(secureUri?secureUri:null);
// Set form reference and file upload properties to true.
this._isFormSubmit = true;
this._isFileUpload = true;
this._formNode = oForm;
return;
}
// Iterate over the form elements collection to construct the
// label-value pairs.
for (i=0,len=oForm.elements.length; i -1) {
opt = oElement.options[oElement.selectedIndex];
data[item++] = oName + encodeURIComponent(
(opt.attributes.value && opt.attributes.value.specified) ? opt.value : opt.text);
}
break;
case 'select-multiple':
if (oElement.selectedIndex > -1) {
for(j=oElement.selectedIndex, jlen=oElement.options.length; j © 2015 - 2025 Weber Informatics LLC | Privacy Policy