SLING-8278 provide non render blocking version of Sling.getSessionInfo and Sling.httpGet
Closes #4
diff --git a/src/main/resources/system/sling.js b/src/main/resources/system/sling.js
index c96587c..565e8ce 100644
--- a/src/main/resources/system/sling.js
+++ b/src/main/resources/system/sling.js
@@ -61,15 +61,23 @@
/**
* HTTP GET XHR Helper
* @param {String} url The URL
+ * @param {Function} optional second parameter for async version of the method.
+ * The callback will get the XHR object, method returns immediately
* @return the XHR object, use .responseText for the data
* @type String
*/
- Sling.httpGet = function(url) {
+ Sling.httpGet = function(url, callback) {
var httpcon = Sling.getXHR();
if (httpcon) {
- httpcon.open('GET', url, false);
- httpcon.send(null);
- return httpcon;
+ if(callback) {
+ httpcon.onload = function() { callback(this); };
+ httpcon.open('GET', url);
+ httpcon.send(null);
+ } else {
+ httpcon.open('GET', url, false);
+ httpcon.send(null);
+ return httpcon;
+ }
} else {
return null;
}
@@ -83,7 +91,7 @@
* @type String
*/
Sling.dumpObj = function(obj, level) {
- var res="";
+ var res = "";
for (var a in obj) {
if (typeof(obj[a])!="object") {
res+=a+":"+obj[a]+" ";
@@ -104,7 +112,7 @@
* @type Array
*/
Sling.getAllPropNames = function(obj, names) {
- var root=false;
+ var root = false;
if (!names) {
names=new Object();
root=true;
@@ -209,7 +217,24 @@
}
return null;
}
-
+
+ /** Get "session info" from repository. Mainly answers the question: "Who am I"
+ * and "Which workspace am I logged into. Async version of getSessionInfo
+ * @param {Function} callback function, will get an An Object tree as first argument
+ * containing the session information, null if server status <> 200
+ */
+ Sling.getSessionInfoAsync = function(callback) {
+ var res = Sling.httpGet(Sling.baseurl+"/system/sling/info.sessionInfo.json",
+ function(res) {
+ if(res.status == 200) {
+ var info = Sling.evalString(res.responseText);
+ callback(info);
+ } else {
+ callback(null);
+ }
+ });
+ }
+
/** Replace extension in a path */
Sling._replaceExtension = function(path,newExtension) {
var i = path.lastIndexOf(".");
