updates to allow a wfs layer to query multiple wfs servers with the same parameters. untested, but all tests pass.

git-svn-id: http://svn.openlayers.org/trunk/openlayers@941 dc9f47b5-9b13-0410-9fdd-eb0c1a62fdaf

lib/OpenLayers/Tile/WFS.js

@@ -19,12 +19,14 @@ OpenLayers.Tile.WFS.prototype =
     * @param {OpenLayers.Layer} layer
     * @param {OpenLayers.Pixel} position
     * @param {OpenLayers.Bounds} bounds
-    * @param {String} url
+    * @param {Array} urls
     * @param {OpenLayers.Size} size
     */
-    initialize: function(layer, position, bounds, url, size) {
+    initialize: function(layer, position, bounds, urls, size) {
+        var newArguments = [layer, position, bounds, null, size];
         OpenLayers.Tile.prototype.initialize.apply(this, arguments);
-        
+
+        this.urls = urls;        
         this.features = new Array();
     },
 
@@ -57,13 +59,17 @@ OpenLayers.Tile.WFS.prototype =
 
         if (!this.loaded) {
         
-            if (this.url != "") {
+            if (this.urls != null) {
         
                 // TODO: Hmmm, this stops multiple loads of the data when a 
                 //       result isn't immediately retrieved, but it's hacky. 
                 //       Do it better.
                 this.loaded = true; 
-                OpenLayers.loadURL(this.url, null, this, success, failure);
+                
+                for(var i=0; i < this.urls.length; i++) {
+                    OpenLayers.loadURL(this.urls[i], null, this, 
+                                        success, failure);
+                }
             }
         }
     },