Nickolay - HTTP.Request.Provider-0.01
Class('HTTP.Request.Provider.XHR', {
isa : 'HTTP.Request.Provider',
has : {
transport : {
is : 'rw',
builder : 'this.buildTransport'
}
},
methods : {
buildTransport : function () {
if (window.XMLHttpRequest)
return new XMLHttpRequest()
else
return new ActiveXObject("Microsoft.XMLHTTP")
},
urlEncode : function (object) {
if (typeof object == 'string') return object
if (typeof object == 'object') {
var queryStr = ''
Joose.O.each(object, function (value, name) {
if (queryStr) queryStr += '&'
queryStr += encodeURIComponent(name) + '=' + encodeURIComponent(value + '')
})
return queryStr
}
return ''
}
},
continued : {
methods : {
request : function (url) {
var me = this
var CONT = this.CONT
var method = this.method
var query = this.query
if (query) {
var encodedQuery = this.urlEncode(query)
if (url.match(/\?/))
url += '&' + encodedQuery
else
url += '?' + encodedQuery
}
var xhr = this.getTransport()
xhr.open(method, url, true, this.user, this.password)
var headers = this.headers
if (headers) Joose.O.eachOwn(headers, function (value, name) {
xhr.setRequestHeader(name, value)
})
var data = this.data
if (typeof data == 'object') {
// xhr.setRequestHeader("Content-type", "application/x-www-form-urlencoded")
data = this.urlEncode(data)
}
xhr.onreadystatechange = function () {
var status = xhr.status
if (xhr.readyState == 4)
if (status >= 200 && status < 300)
CONT.CONTINUE({
status : status,
text : xhr.responseText,
request : me
})
else
CONT.THROW({
status : status,
text : xhr.responseText,
request : me
})
}
xhr.send(data || null)
}
}
}
})