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/*
* Copyright (c) 2010 the original author or authors.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
(function($)
{
function bind($, org_cometd)
{
// Remap cometd JSON functions to jquery JSON functions
org_cometd.JSON.toJSON = JSON.stringify;
org_cometd.JSON.fromJSON = JSON.parse;
function _setHeaders(xhr, headers)
{
if (headers)
{
for (var headerName in headers)
{
if (headerName.toLowerCase() === 'content-type')
{
continue;
}
xhr.setRequestHeader(headerName, headers[headerName]);
}
}
}
// Remap toolkit-specific transport calls
function LongPollingTransport()
{
var _super = new org_cometd.LongPollingTransport();
var that = org_cometd.Transport.derive(_super);
that.xhrSend = function(packet)
{
return $.ajax({
url: packet.url,
async: packet.sync !== true,
type: 'POST',
contentType: 'application/json;charset=UTF-8',
data: packet.body,
xhrFields: {
// Has no effect if the request is not cross domain
// but if it is, allows cookies to be sent to the server
withCredentials: true
},
beforeSend: function(xhr)
{
_setHeaders(xhr, packet.headers);
// Returning false will abort the XHR send
return true;
},
success: packet.onSuccess,
error: function(xhr, reason, exception)
{
packet.onError(reason, exception);
}
});
};
return that;
}
function CallbackPollingTransport()
{
var _super = new org_cometd.CallbackPollingTransport();
var that = org_cometd.Transport.derive(_super);
that.jsonpSend = function(packet)
{
$.ajax({
url: packet.url,
async: packet.sync !== true,
type: 'GET',
dataType: 'jsonp',
jsonp: 'jsonp',
data: {
// In callback-polling, the content must be sent via the 'message' parameter
message: packet.body
},
beforeSend: function(xhr)
{
_setHeaders(xhr, packet.headers);
// Returning false will abort the XHR send
return true;
},
success: packet.onSuccess,
error: function(xhr, reason, exception)
{
packet.onError(reason, exception);
}
});
};
return that;
}
$.Cometd = function(name)
{
var cometd = new org_cometd.Cometd(name);
// Registration order is important
if (org_cometd.WebSocket)
{
cometd.registerTransport('websocket', new org_cometd.WebSocketTransport());
}
cometd.registerTransport('long-polling', new LongPollingTransport());
cometd.registerTransport('callback-polling', new CallbackPollingTransport());
return cometd;
};
// The default cometd instance
$.cometd = new $.Cometd();
return $.cometd;
}
if (typeof define === 'function' && define.amd)
{
define(['jquery', 'org/cometd'], bind);
}
else
{
bind($, org.cometd);
}
})(jQuery);
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