From 3b8e272a112120552d383c0d68595386efae148c Mon Sep 17 00:00:00 2001
From: Bart van den Eijnden <bartvde@boundlessgeo.com>
Date: Wed, 22 Apr 2015 11:57:33 +0200
Subject: [PATCH] Better error handling in the ArcGIS REST vector examples

---
 examples/vector-esri-edit.js | 17 +++++++++++------
 examples/vector-esri.js      | 17 +++++++++++------
 2 files changed, 22 insertions(+), 12 deletions(-)

diff --git a/examples/vector-esri-edit.js b/examples/vector-esri-edit.js
index 1647246fc9..5ebb58bf7f 100644
--- a/examples/vector-esri-edit.js
+++ b/examples/vector-esri-edit.js
@@ -31,12 +31,17 @@ var vectorSource = new ol.source.Vector({
         '&geometryType=esriGeometryEnvelope&inSR=102100&outFields=*' +
         '&outSR=102100';
     $.ajax({url: url, dataType: 'jsonp', success: function(response) {
-      // dataProjection will be read from document
-      var features = esrijsonFormat.readFeatures(response, {
-        featureProjection: projection
-      });
-      if (features.length > 0) {
-        vectorSource.addFeatures(features);
+      if (response.error) {
+        alert(response.error.message + '\n' +
+            response.error.details.join('\n'));
+      } else {
+        // dataProjection will be read from document
+        var features = esrijsonFormat.readFeatures(response, {
+          featureProjection: projection
+        });
+        if (features.length > 0) {
+          vectorSource.addFeatures(features);
+        }
       }
     }});
   },
diff --git a/examples/vector-esri.js b/examples/vector-esri.js
index 2cacb97269..0ba8581813 100644
--- a/examples/vector-esri.js
+++ b/examples/vector-esri.js
@@ -77,12 +77,17 @@ var vectorSource = new ol.source.Vector({
         '&geometryType=esriGeometryEnvelope&inSR=102100&outFields=*' +
         '&outSR=102100';
     $.ajax({url: url, dataType: 'jsonp', success: function(response) {
-      // dataProjection will be read from document
-      var features = esrijsonFormat.readFeatures(response, {
-        featureProjection: projection
-      });
-      if (features.length > 0) {
-        vectorSource.addFeatures(features);
+      if (response.error) {
+        alert(response.error.message + '\n' +
+            response.error.details.join('\n'));
+      } else {
+        // dataProjection will be read from document
+        var features = esrijsonFormat.readFeatures(response, {
+          featureProjection: projection
+        });
+        if (features.length > 0) {
+          vectorSource.addFeatures(features);
+        }
       }
     }});
   },