Ok, I know there's something wrong but I can't understand what.
I read an ArrayList of Service (in JSON mediatype) from a web service that I wrote. Going to that address returns me the json string.
Now I'm trying to make a web page for showing that values and seeing the changes making to the page a request every 3 secs.
How can I parse it, or use it? Read lot and more and I'm still to the start..
[Is not possible to pass this object to the JSP and parse, loop and everything with JSTL? That would be awesome!]
Here the js code:
<script type="text/javascript">
setInterval(function(){
$.ajax({ url: "/MyApp/rest/display", success: function(data){
var objs = $.parseJSON(data);
$.each(objs, function(i,service) {
$("#service").append('<p>'+service+'</p>');
});
}, dataType: "json"});
}, 3000);
</script>
I've a <div id="service">
EDIT: Almost there!
Now I've this:
<script type="text/javascript">
setInterval(function(){
$.ajax({ url: "/myApp/rest/display", success: function(data){
$.each(data, function(i,service) {
var cont = 1;
var newdiv = document.createElement('div');
newdiv.setAttribute('id', "service"+i);
$("#service"+i).html('<p>'+service.serviceId+" "+service.queue.lastNumber+'</p>');
document.getElementById("services").appendChild(newdiv);
cont++;
});
}, dataType: "json"});
}, 5000);
</script>
It gets the updates and all (nice!) but I've one problem: it keeps creating new divs inside the bigger one (empty divs). How can I avoid this?
EDIT2:
Nevermind, I've done! Just add this line before the appendChild:
if(!$("#service"+i).length)
Works like a charm. Thanks!
With JQuery you do not need to parse the data
since it is already parsed as JSON when you set the dataType: "json"
.
$.ajax({
url: "/MyApp/rest/display",
success: function(data) {
$.each(data, function(i,service) {
$("#service").append('<p>'+service+'</p>');
});},
dataType: "json" });
PS. If that doesn't work, please post the JSON that is being returned by your AJAX call.
EDIT: Here is the JSTL way of doing things: Create a JSF or JSP that does NOT return a full HTML page but just what you want inside the #service
div. Lets call the page doit.jsp
. Now we can just use ajax to put that in the #service
div.
$.ajax({
url: "doit.jsp",
success: function(data) { $("#service").html(data); });
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