Getting the Map Service REST URL to the Map as URL parameter

DonBarker

I'm a javascript novice.

Undaunted, I would like to pass the dynamic map service URL parameter here

var operationalLayer = new esri.layers.ArcGISDynamicMapServiceLayer.toString("string_goes_here");

as a URL parameter, rather than writing it explicitly into the html file as in the simple JS map viewer examples.

I'm grabbing the URL ok using the function shown below.  I'd like to simply pass the contents of the var from that function into the operationalLayer variable like this:

var operationalLayer = new esri.layers.ArcGISDynamicMapServiceLayer(rest_url);

Or like this:

var operationalLayer = new esri.layers.ArcGISDynamicMapServiceLayer.toString(rest_url);

But neither of those approaches work, of course.  Can someone point the way?   (Hopefully, short and straight.)

Thanks,
Don

  function gup( name )
{
  name = name.replace(/[\[]/,"\\\[").replace(/[\]]/,"\\\]");
  var regexS = "[\\?&]"+name+"=([^&#]*)";
  var regex = new RegExp( regexS );
  var results = regex.exec( window.location.href );
  if( results == null )
    return "";
  else
    return results[1];
}
var rest_url = gup( 'resturl' );

StephenLead

I can't test this (and I'm not an expert on regexp), but I think you might want to do something along these lines:

var fullUrl = window.location.href; //get the full URL
var layerUrl = gup(fullUrl); // send this to the function
console.log(layerUrl);// this should be just the layer definition section

function gup( name )
{
  name = name.replace(/[\[]/,"\\\[").replace(/[\]]/,"\\\]");
  var regexS = "[\\?&]"+name+"=([^&#]*)";
  var regex = new RegExp( regexS );
  var results = regex.exec(name);
  if( results == null )
    return "";
  else
    return results[1]; //return just the Layer definition of the URL
}

Good luck,
Steve