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//>>built
define("dojox/io/xhrMultiPart", [
"dojo/_base/kernel",
"dojo/_base/array",
"dojo/_base/xhr",
"dojo/query",
"dojox/uuid/generateRandomUuid"
], function(dojo, array, xhr, query, generateRandomUuid){
dojo.getObject("io.xhrMultiPart", true, dojox);
/*=====
dojox.io.__xhrContentArgs = function(){
// name: String
// Name of the form value.
// content: String
// The contents of the value.
// filename: String?
// An optional filename to pass to the server, as defined by the boundary.
// contentType: String?
// An optional content-type (MIME) to pass to the server, if value is being
// treated as a file.
// charset: String?
// Optional charset to pass, for the server to interpret the file correctly.
// contentTransferEncoding: String?
// Optional transfer encoding header value.
this.name = name;
this.content = content;
this.filename = filename;
this.contentType = contentType;
this.charset = charset;
this.contentTransferEncoding = contentTransferEncoding;
}
=====*/
function _createPart(/* dojox.io.__xhrContentArgs */args, /* String */boundary){
// summary
// Assemble an array of boundary parts based on the passed values in args.
if(!args["name"] && !args["content"]){
throw new Error("Each part of a multi-part request requires 'name' and 'content'.");
}
var tmp = [];
tmp.push(
"--" + boundary,
"Content-Disposition: form-data; name=\"" + args.name + "\"" + (args["filename"] ? "; filename=\"" + args.filename + "\"" : "")
);
if(args["contentType"]){
var ct = "Content-Type: " + args.contentType;
if(args["charset"]){
ct += "; Charset=" + args.charset;
}
tmp.push(ct);
}
if(args["contentTransferEncoding"]){
tmp.push("Content-Transfer-Encoding: " + args.contentTransferEncoding);
}
tmp.push("", args.content);
return tmp; // Array
}
function _partsFromNode(/* DOMNode */node, /* String */boundary){
// summary
// Assemble an array of boundary parts based on the passed FORM node.
var o=dojo.formToObject(node), parts=[];
for(var p in o){
if(dojo.isArray(o[p])){
dojo.forEach(o[p], function(item){
parts = parts.concat(_createPart({ name: p, content: item }, boundary));
});
} else {
parts = parts.concat(_createPart({ name: p, content: o[p] }, boundary));
}
}
return parts; // Array
}
/*=====
dojox.io.__xhrMultiArgs = function(){
// url: String
// URL to server endpoint.
// content: Object?
// Contains properties with string values. These
// properties will be serialized using multi-part
// boundaries.
// file: Object?
// Alias for "content". Provided for backwards compatibility.
// timeout: Integer?
// Milliseconds to wait for the response. If this time
// passes, the then error callbacks are called.
// form: DOMNode?
// DOM node for a form. Used to extract the form values
// and send to the server; each form value will be serialized
// using multi-part boundaries.
// preventCache: Boolean?
// Default is false. If true, then a
// "dojo.preventCache" parameter is sent in the request
// with a value that changes with each request
// (timestamp). Useful only with GET-type requests.
// handleAs: String?
// Acceptable values depend on the type of IO
// transport (see specific IO calls for more information).
// load: Function?
// function(response, ioArgs){}. response is an Object, ioArgs
// is of type dojo.__IoCallbackArgs. The load function will be
// called on a successful response.
// error: Function?
// function(response, ioArgs){}. response is an Object, ioArgs
// is of type dojo.__IoCallbackArgs. The error function will
// be called in an error case.
// handle: Function?
// function(response, ioArgs){}. response is an Object, ioArgs
// is of type dojo.__IoCallbackArgs. The handle function will
// be called in either the successful or error case.
this.url = url;
this.content = content;
this.file = file;
this.timeout = timeout;
this.form = form;
this.preventCache = preventCache;
this.handleAs = handleAs;
this.load = load;
this.error = error;
this.handle = handle;
}
=====*/
dojox.io.xhrMultiPart = function(/* dojox.io.__xhrMultiArgs */args){
if(!args["file"] && !args["content"] && !args["form"]){
throw new Error("content, file or form must be provided to dojox.io.xhrMultiPart's arguments");
}
// unique guid as a boundary value for multipart posts
var boundary=generateRandomUuid(), tmp=[], out="";
if(args["file"] || args["content"]){
var v = args["file"] || args["content"];
dojo.forEach((dojo.isArray(v) ? v : [v]), function(item){
tmp = tmp.concat(_createPart(item, boundary));
});
}
else if(args["form"]){
if(query("input[type=file]", args["form"]).length){
throw new Error("dojox.io.xhrMultiPart cannot post files that are values of an INPUT TYPE=FILE. Use dojo.io.iframe.send() instead.");
}
tmp = _partsFromNode(args["form"], boundary);
}
if(tmp.length){
tmp.push("--"+boundary+"--", "");
out = tmp.join("\r\n");
}
console.log(out);
return dojo.rawXhrPost(dojo.mixin(args, {
contentType: "multipart/form-data; boundary=" + boundary,
postData: out
})); // dojo.Deferred
};
return dojox.io.xhrMultiPart;
});
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