Merge pull request #378 from bartvde/wfsdft

error handling in WFSDescribeFeatureType format (r=@ahocevar,elemoine)

lib/OpenLayers/Format/WFSDescribeFeatureType.js

@@ -5,6 +5,7 @@
 
 /**
  * @requires OpenLayers/Format/XML.js
+ * @requires OpenLayers/Format/OGCExceptionReport.js
  */
  
 /**
@@ -187,8 +188,13 @@ OpenLayers.Format.WFSDescribeFeatureType = OpenLayers.Class(
             data = data.documentElement;
         }
         var schema = {};
-        this.readNode(data, schema);
-        
+        if (data.nodeName.split(":").pop() === 'ExceptionReport') {
+            // an exception must have occurred, so parse it
+            var parser = new OpenLayers.Format.OGCExceptionReport();
+            schema.error = parser.read(data);
+        } else {
+            this.readNode(data, schema);
+        }
         return schema;
     },