Allow user to enable/disable downsampler in sensordata upload dialog

java/com.sap.sailing.gwt.ui/src/main/java/com/sap/sailing/gwt/ui/adminconsole/AbstractFileImportWidget.java

@@ -12,6 +12,7 @@ import com.google.gwt.uibinder.client.UiHandler;
 import com.google.gwt.user.client.Window;
 import com.google.gwt.user.client.rpc.AsyncCallback;
 import com.google.gwt.user.client.ui.Button;
+import com.google.gwt.user.client.ui.CheckBox;
 import com.google.gwt.user.client.ui.Composite;
 import com.google.gwt.user.client.ui.FileUpload;
 import com.google.gwt.user.client.ui.FormPanel;
@@ -35,6 +36,8 @@ public abstract class AbstractFileImportWidget extends Composite {
     @UiField FileUpload fileUploadUi;
     @UiField ListBox preferredImporterUi;
     @UiField Button importButtonUi;
+    @UiField
+    CheckBox downsampleUi;
     @UiField Image loadingImageUi;
     @UiField FormPanel formPanelUi;
     private final TrackFileImportDeviceIdentifierTableWrapper table;
@@ -72,6 +75,10 @@ public abstract class AbstractFileImportWidget extends Composite {
         formPanelUi.submit();
     }
 
+    protected void setDownsampleOptionVisible(boolean visible) {
+        downsampleUi.setVisible(visible);
+    }
+    
     @UiHandler("formPanelUi")
     void onFileImportComplete(SubmitCompleteEvent event) {
         if (shouldClearListOnNewUploadComplete) {

java/com.sap.sailing.gwt.ui/src/main/java/com/sap/sailing/gwt/ui/adminconsole/AbstractFileImportWidget.ui.xml

@@ -22,6 +22,7 @@
         <g:HTMLPanel addStyleNames="{style.formPanelContent}">
 	        <g:FileUpload name="file" ui:field="fileUploadUi"/>
 	        <g:ListBox name="preferredImporter" ui:field="preferredImporterUi" height="21px"/>
+            <g:CheckBox name="downsample" checked="true" ui:field="downsampleUi">Downsample</g:CheckBox>
 	        <g:Button styleName="" ui:field="importButtonUi"/>
 	        <g:Image resource="{res.transparentGif}" addStyleNames="{style.loadingImage}" ui:field="loadingImageUi"/>
         </g:HTMLPanel>

java/com.sap.sailing.gwt.ui/src/main/java/com/sap/sailing/gwt/ui/adminconsole/SensorDataImportWidget.java

@@ -15,6 +15,7 @@ public class SensorDataImportWidget extends AbstractFileImportWidget implements
         super("/sailingserver/sensordata/import", stringMessages, table, sailingService, errorReporter);
         setMultipleFileUploadEnabled(true);
         setShouldClearListOnNewUploadComplete(false);
+        setDownsampleOptionVisible(true);
     }
 
     @Override

java/com.sap.sailing.gwt.ui/src/main/java/com/sap/sailing/gwt/ui/adminconsole/TrackFileImportWidget.java

@@ -14,6 +14,7 @@ public class TrackFileImportWidget extends AbstractFileImportWidget implements I
     public TrackFileImportWidget(TrackFileImportDeviceIdentifierTableWrapper table, StringMessages stringMessages,
             final SailingServiceAsync sailingService, final ErrorReporter errorReporter) {
         super("/sailingserver/trackfiles/import", stringMessages, table, sailingService, errorReporter);
+        setDownsampleOptionVisible(false);
     }
     
     @Override

java/com.sap.sailing.server.gateway/src/com/sap/sailing/server/gateway/trackfiles/impl/SensorDataImportServlet.java

@@ -52,14 +52,14 @@ public class SensorDataImportServlet extends AbstractFileUploadServlet {
      * 
      * @param files
      *            the file items together with the names of the importer to use for importing the respective file's
-     *            contents; the importer names are matched against {@link DoubleVectorFixImporter#getType()} for
-     *            all importers found registered in the OSGi registry. The first matching importer is used for the
-     *            file. The importer is selected on a per-file basis.
+     *            contents; the importer names are matched against {@link DoubleVectorFixImporter#getType()} for all
+     *            importers found registered in the OSGi registry. The first matching importer is used for the file. The
+     *            importer is selected on a per-file basis.
      * 
      * @throws IOException
      */
-    private Iterable<TrackFileImportDeviceIdentifier> importFiles(Iterable<Pair<String, FileItem>> files)
-            throws IOException {
+    private Iterable<TrackFileImportDeviceIdentifier> importFiles(boolean enableDownsampler,
+            Iterable<Pair<String, FileItem>> files) throws IOException {
         final Set<TrackFileImportDeviceIdentifier> deviceIds = new HashSet<>();
         final Map<DeviceIdentifier, TimePoint> from = new HashMap<>();
         final Map<DeviceIdentifier, TimePoint> to = new HashMap<>();
@@ -102,7 +102,7 @@ public class SensorDataImportServlet extends AbstractFileUploadServlet {
                                 }
                             }
                         }
-                    }, fi.getName(), requestedImporterName, /* downsample */ true);
+                    }, fi.getName(), requestedImporterName, enableDownsampler);
                     logger.log(Level.INFO, "Successfully imported file " + requestedImporterName);
                 } catch (FormatNotSupportedException e) {
                     logger.log(Level.INFO, "Failed to import file " + requestedImporterName);
@@ -119,10 +119,14 @@ public class SensorDataImportServlet extends AbstractFileUploadServlet {
     protected void process(List<FileItem> fileItems, HttpServletRequest req, HttpServletResponse resp)
             throws IOException {
         String importerName = null;
-        searchForPreferredImporter: for (FileItem fi : fileItems) {
-            if ("preferredImporter".equalsIgnoreCase(fi.getFieldName())) {
-                importerName = fi.getString();
-                break searchForPreferredImporter;
+        boolean enableDownsampler = false;
+        for (FileItem fi : fileItems) {
+            if (fi.isFormField()) {
+                if ("preferredImporter".equalsIgnoreCase(fi.getFieldName())) {
+                    importerName = fi.getString();
+                } else if ("downsample".equalsIgnoreCase(fi.getFieldName())) {
+                    enableDownsampler = "on".equalsIgnoreCase(fi.getString());
+                }
             }
         }
         if (importerName == null) {
@@ -134,7 +138,8 @@ public class SensorDataImportServlet extends AbstractFileUploadServlet {
                 filesAndImporterNames.add(new Pair<>(importerName, fi));
             }
         }
-        final Iterable<TrackFileImportDeviceIdentifier> mappingList = importFiles(filesAndImporterNames);
+        final Iterable<TrackFileImportDeviceIdentifier> mappingList = importFiles(enableDownsampler,
+                filesAndImporterNames);
         resp.setContentType("text/html");
         for (TrackFileImportDeviceIdentifier mapping : mappingList) {
             String stringRep = mapping.getId().toString();