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/*
Copyright (c) 2004-2006, The Dojo Foundation
All Rights Reserved.
Licensed under the Academic Free License version 2.1 or above OR the
modified BSD license. For more information on Dojo licensing, see:
http://dojotoolkit.org/community/licensing.shtml
*/
dojo.provide("dojo.io.common");
dojo.require("dojo.string");
dojo.require("dojo.lang.extras");
dojo.io.transports = [];
dojo.io.hdlrFuncNames = ["load", "error", "timeout"];
dojo.io.Request = function (url, mimetype, transport, changeUrl) {
if ((arguments.length == 1) && (arguments[0].constructor == Object)) {
this.fromKwArgs(arguments[0]);
} else {
this.url = url;
if (mimetype) {
this.mimetype = mimetype;
}
if (transport) {
this.transport = transport;
}
if (arguments.length >= 4) {
this.changeUrl = changeUrl;
}
}
};
dojo.lang.extend(dojo.io.Request, {url:"", mimetype:"text/plain", method:"GET", content:undefined, transport:undefined, changeUrl:undefined, formNode:undefined, sync:false, bindSuccess:false, useCache:false, preventCache:false, jsonFilter:function (value) {
if ((this.mimetype == "text/json-comment-filtered") || (this.mimetype == "application/json-comment-filtered")) {
var cStartIdx = value.indexOf("/*");
var cEndIdx = value.lastIndexOf("*/");
if ((cStartIdx == -1) || (cEndIdx == -1)) {
dojo.debug("your JSON wasn't comment filtered!");
return "";
}
return value.substring(cStartIdx + 2, cEndIdx);
}
dojo.debug("please consider using a mimetype of text/json-comment-filtered to avoid potential security issues with JSON endpoints");
return value;
}, load:function (type, data, transportImplementation, kwArgs) {
}, error:function (type, error, transportImplementation, kwArgs) {
}, timeout:function (type, empty, transportImplementation, kwArgs) {
}, handle:function (type, data, transportImplementation, kwArgs) {
}, timeoutSeconds:0, abort:function () {
}, fromKwArgs:function (kwArgs) {
if (kwArgs["url"]) {
kwArgs.url = kwArgs.url.toString();
}
if (kwArgs["formNode"]) {
kwArgs.formNode = dojo.byId(kwArgs.formNode);
}
if (!kwArgs["method"] && kwArgs["formNode"] && kwArgs["formNode"].method) {
kwArgs.method = kwArgs["formNode"].method;
}
if (!kwArgs["handle"] && kwArgs["handler"]) {
kwArgs.handle = kwArgs.handler;
}
if (!kwArgs["load"] && kwArgs["loaded"]) {
kwArgs.load = kwArgs.loaded;
}
if (!kwArgs["changeUrl"] && kwArgs["changeURL"]) {
kwArgs.changeUrl = kwArgs.changeURL;
}
kwArgs.encoding = dojo.lang.firstValued(kwArgs["encoding"], djConfig["bindEncoding"], "");
kwArgs.sendTransport = dojo.lang.firstValued(kwArgs["sendTransport"], djConfig["ioSendTransport"], false);
var isFunction = dojo.lang.isFunction;
for (var x = 0; x < dojo.io.hdlrFuncNames.length; x++) {
var fn = dojo.io.hdlrFuncNames[x];
if (kwArgs[fn] && isFunction(kwArgs[fn])) {
continue;
}
if (kwArgs["handle"] && isFunction(kwArgs["handle"])) {
kwArgs[fn] = kwArgs.handle;
}
}
dojo.lang.mixin(this, kwArgs);
}});
dojo.io.Error = function (msg, type, num) {
this.message = msg;
this.type = type || "unknown";
this.number = num || 0;
};
dojo.io.transports.addTransport = function (name) {
this.push(name);
this[name] = dojo.io[name];
};
dojo.io.bind = function (request) {
if (!(request instanceof dojo.io.Request)) {
try {
request = new dojo.io.Request(request);
}
catch (e) {
dojo.debug(e);
}
}
var tsName = "";
if (request["transport"]) {
tsName = request["transport"];
if (!this[tsName]) {
dojo.io.sendBindError(request, "No dojo.io.bind() transport with name '" + request["transport"] + "'.");
return request;
}
if (!this[tsName].canHandle(request)) {
dojo.io.sendBindError(request, "dojo.io.bind() transport with name '" + request["transport"] + "' cannot handle this type of request.");
return request;
}
} else {
for (var x = 0; x < dojo.io.transports.length; x++) {
var tmp = dojo.io.transports[x];
if ((this[tmp]) && (this[tmp].canHandle(request))) {
tsName = tmp;
break;
}
}
if (tsName == "") {
dojo.io.sendBindError(request, "None of the loaded transports for dojo.io.bind()" + " can handle the request.");
return request;
}
}
this[tsName].bind(request);
request.bindSuccess = true;
return request;
};
dojo.io.sendBindError = function (request, message) {
if ((typeof request.error == "function" || typeof request.handle == "function") && (typeof setTimeout == "function" || typeof setTimeout == "object")) {
var errorObject = new dojo.io.Error(message);
setTimeout(function () {
request[(typeof request.error == "function") ? "error" : "handle"]("error", errorObject, null, request);
}, 50);
} else {
dojo.raise(message);
}
};
dojo.io.queueBind = function (request) {
if (!(request instanceof dojo.io.Request)) {
try {
request = new dojo.io.Request(request);
}
catch (e) {
dojo.debug(e);
}
}
var oldLoad = request.load;
request.load = function () {
dojo.io._queueBindInFlight = false;
var ret = oldLoad.apply(this, arguments);
dojo.io._dispatchNextQueueBind();
return ret;
};
var oldErr = request.error;
request.error = function () {
dojo.io._queueBindInFlight = false;
var ret = oldErr.apply(this, arguments);
dojo.io._dispatchNextQueueBind();
return ret;
};
dojo.io._bindQueue.push(request);
dojo.io._dispatchNextQueueBind();
return request;
};
dojo.io._dispatchNextQueueBind = function () {
if (!dojo.io._queueBindInFlight) {
dojo.io._queueBindInFlight = true;
if (dojo.io._bindQueue.length > 0) {
dojo.io.bind(dojo.io._bindQueue.shift());
} else {
dojo.io._queueBindInFlight = false;
}
}
};
dojo.io._bindQueue = [];
dojo.io._queueBindInFlight = false;
dojo.io.argsFromMap = function (map, encoding, last) {
var enc = /utf/i.test(encoding || "") ? encodeURIComponent : dojo.string.encodeAscii;
var mapped = [];
var control = new Object();
for (var name in map) {
var domap = function (elt) {
var val = enc(name) + "=" + enc(elt);
mapped[(last == name) ? "push" : "unshift"](val);
};
if (!control[name]) {
var value = map[name];
if (dojo.lang.isArray(value)) {
dojo.lang.forEach(value, domap);
} else {
domap(value);
}
}
}
return mapped.join("&");
};
dojo.io.setIFrameSrc = function (iframe, src, replace) {
try {
var r = dojo.render.html;
if (!replace) {
if (r.safari) {
iframe.location = src;
} else {
frames[iframe.name].location = src;
}
} else {
var idoc;
if (r.ie) {
idoc = iframe.contentWindow.document;
} else {
if (r.safari) {
idoc = iframe.document;
} else {
idoc = iframe.contentWindow;
}
}
if (!idoc) {
iframe.location = src;
return;
} else {
idoc.location.replace(src);
}
}
}
catch (e) {
dojo.debug(e);
dojo.debug("setIFrameSrc: " + e);
}
};