bug4476 improved error handling for native errors

java/com.sap.sailing.gwt.ui/src/main/java/com/sap/sailing/gwt/ui/adminconsole/multivideo/MultiVideoDialog.java

@@ -5,6 +5,8 @@ import java.util.Date;
 import java.util.HashSet;
 import java.util.List;
 import java.util.Set;
+import java.util.logging.Level;
+import java.util.logging.Logger;
 
 import com.google.gwt.core.client.GWT;
 import com.google.gwt.dom.client.Style.Display;
@@ -70,7 +72,8 @@ public class MultiVideoDialog extends DialogBox {
     private static final int STARTTIME_COLUMN = 4;
     private static final int MIMETYPE_COLUMN = 5;
     private static final int RACES_COLUMN = 6;
-
+    
+    private static final Logger logger = Logger.getLogger(MultiVideoDialog.class.getName());
     private static final Style STYLE = GWT.<StyleHolder> create(StyleHolder.class).style();
     private StringMessages stringMessages;
     private List<RemoteFileInfo> remoteFiles = new ArrayList<>();
@@ -613,6 +616,11 @@ public class MultiVideoDialog extends DialogBox {
                 updateUI();
                 startNextInitializingRemoteTask();
             }
+
+            @Override
+            public void error(Object error) {
+                logger.log(Level.WARNING, "An error occured while downloading the filelist from the webserver: " + error);
+            }
         });
     }
 

java/com.sap.sailing.gwt.ui/src/main/java/com/sap/sailing/gwt/ui/client/media/JSDownloadUtils.java

@@ -23,6 +23,7 @@ public class JSDownloadUtils {
         void newHref(String foundLink);
         void noResult();
         void complete();
+        void error(Object error);
     }
     
     interface JSSizeCallback {
@@ -225,6 +226,11 @@ public class JSDownloadUtils {
                     // continue next file in open list
                     getFileList(openWork, closedWork, callback);
                 }
+
+                @Override
+                public void error(Object error) {
+                    callback.error(error);
+                }
             });
         } else {
             callback.complete();
@@ -249,7 +255,7 @@ public class JSDownloadUtils {
                                 var href = anchors[i].getAttribute("href");
                                 callback.@com.sap.sailing.gwt.ui.client.media.JSDownloadUtils.JSHrefCallback::newHref(Ljava/lang/String;)(href);
                             } catch (error) {
-                                console.log(error);
+                                callback.@com.sap.sailing.gwt.ui.client.media.JSDownloadUtils.JSHrefCallback::error(Ljava/lang/Object;)(error);
                             }
                         }
                         callback.@com.sap.sailing.gwt.ui.client.media.JSDownloadUtils.JSHrefCallback::complete()();