added jsonresult structure to gps import servlet

java/com.sap.sailing.server.gateway.test/src/com/sap/sailing/server/gateway/trackfiles/impl/GPSFixImportTest.java

@@ -11,6 +11,7 @@ import java.io.OutputStream;
 import java.io.UnsupportedEncodingException;
 import java.util.Arrays;
 import java.util.Collection;
+import java.util.logging.Logger;
 
 import org.apache.commons.fileupload.FileItem;
 import org.junit.Test;
@@ -152,7 +153,8 @@ public class GPSFixImportTest {
             public void delete() {
             }
         };
-        servlet.importFiles(Arrays.asList(new Pair<>("test.gpx", fi)), new AlwaysFailingGPSFixImporter(-1));
+        JsonHolder holder = new JsonHolder(Logger.getLogger(GPSFixImportTest.class.getName()));
+        servlet.importFiles(Arrays.asList(new Pair<>("test.gpx", fi)), holder, new AlwaysFailingGPSFixImporter(-1));
         // getting to here without errors is good enough
     }
 }

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

@@ -0,0 +1,60 @@
+package com.sap.sailing.server.gateway.trackfiles.impl;
+import java.io.IOException;
+import java.util.UUID;
+import java.util.logging.Level;
+import java.util.logging.Logger;
+
+import javax.servlet.http.HttpServletResponse;
+
+import org.json.simple.JSONArray;
+import org.json.simple.JSONObject;
+
+import com.sap.sailing.domain.trackfiles.TrackFileImportDeviceIdentifier;
+
+public class JsonHolder {
+        private final JSONObject jsonResponseObj = new JSONObject();
+        private final JSONArray jsonErrorObj = new JSONArray();
+        private final JSONArray jsonUuidObj = new JSONArray();
+        private final Logger logger;
+
+        public JsonHolder(Logger logger) {
+            this.logger = logger;
+            jsonResponseObj.put("errors", jsonErrorObj);
+            jsonResponseObj.put("uploads", jsonUuidObj);
+        }
+
+        public void add(String requestedImporterName, String filename,
+                Exception exception) {
+            logger.log(Level.SEVERE, "Sensordata import importer: " + requestedImporterName);
+            logger.log(Level.SEVERE, "Sensordata import filename: " + filename);
+            JSONObject jsonExceptionObj = logException(exception);
+            jsonExceptionObj.put("filename", filename);
+            jsonExceptionObj.put("requestedImporter", requestedImporterName);
+
+        }
+
+        public void add(Exception exception) {
+            logException(exception);
+        }
+
+        private JSONObject logException(Exception e) {
+            final String exUUID = UUID.randomUUID().toString();
+            logger.log(Level.SEVERE, "Sensordata import ExUUID: " + exUUID, e);
+            JSONObject jsonExceptionObj = new JSONObject();
+            jsonErrorObj.add(jsonExceptionObj);
+            jsonExceptionObj.put("exUUID", exUUID);
+            jsonExceptionObj.put("className", e.getClass().getName());
+            jsonExceptionObj.put("message", e.getMessage());
+            return jsonExceptionObj;
+        }
+
+        public void add(TrackFileImportDeviceIdentifier mapping) {
+            String stringRep = mapping.getId().toString();
+            jsonUuidObj.add(stringRep);
+        }
+
+        public void writeJSONString(HttpServletResponse resp) throws IOException {
+            resp.setContentType("text/html");
+            jsonResponseObj.writeJSONString(resp.getWriter());
+        }
+    }

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

@@ -6,7 +6,6 @@ import java.util.ArrayList;
 import java.util.Collection;
 import java.util.LinkedHashSet;
 import java.util.List;
-import java.util.UUID;
 import java.util.logging.Level;
 import java.util.logging.Logger;
 
@@ -14,8 +13,6 @@ import javax.servlet.http.HttpServletRequest;
 import javax.servlet.http.HttpServletResponse;
 
 import org.apache.commons.fileupload.FileItem;
-import org.json.simple.JSONArray;
-import org.json.simple.JSONObject;
 import org.osgi.framework.InvalidSyntaxException;
 import org.osgi.framework.ServiceReference;
 
@@ -144,52 +141,4 @@ public class SensorDataImportServlet extends AbstractFileUploadServlet {
         }
         return result;
     }
-
-    public static class JsonHolder {
-        private final JSONObject jsonResponseObj = new JSONObject();
-        private final JSONArray jsonErrorObj = new JSONArray();
-        private final JSONArray jsonUuidObj = new JSONArray();
-        private final Logger logger;
-
-        public JsonHolder(Logger logger) {
-            this.logger = logger;
-            jsonResponseObj.put("errors", jsonErrorObj);
-            jsonResponseObj.put("uploads", jsonUuidObj);
-        }
-
-        public void add(String requestedImporterName, String filename,
-                Exception exception) {
-            logger.log(Level.SEVERE, "Sensordata import importer: " + requestedImporterName);
-            logger.log(Level.SEVERE, "Sensordata import filename: " + filename);
-            JSONObject jsonExceptionObj = logException(exception);
-            jsonExceptionObj.put("filename", filename);
-            jsonExceptionObj.put("requestedImporter", requestedImporterName);
-
-        }
-
-        public void add(Exception exception) {
-            logException(exception);
-        }
-
-        private JSONObject logException(Exception e) {
-            final String exUUID = UUID.randomUUID().toString();
-            logger.log(Level.SEVERE, "Sensordata import ExUUID: " + exUUID, e);
-            JSONObject jsonExceptionObj = new JSONObject();
-            jsonErrorObj.add(jsonExceptionObj);
-            jsonExceptionObj.put("exUUID", exUUID);
-            jsonExceptionObj.put("className", e.getClass().getName());
-            jsonExceptionObj.put("message", e.getMessage());
-            return jsonExceptionObj;
-        }
-
-        public void add(TrackFileImportDeviceIdentifier mapping) {
-            String stringRep = mapping.getId().toString();
-            jsonUuidObj.add(stringRep);
-        }
-
-        public void writeJSONString(HttpServletResponse resp) throws IOException {
-            resp.setContentType("text/html");
-            jsonResponseObj.writeJSONString(resp.getWriter());
-        }
-    }
 }

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

@@ -4,7 +4,6 @@ import java.io.BufferedInputStream;
 import java.io.IOException;
 import java.util.ArrayList;
 import java.util.Collection;
-import java.util.HashSet;
 import java.util.LinkedHashSet;
 import java.util.List;
 import java.util.Set;
@@ -80,9 +79,8 @@ public class TrackFilesImportServlet extends AbstractFileUploadServlet {
         return result;
     }
 
-    protected Iterable<TrackFileImportDeviceIdentifier> importFiles(Iterable<Pair<String, FileItem>> files,
+    protected void importFiles(Iterable<Pair<String, FileItem>> files,
-            GPSFixImporter preferredImporter) throws IOException {
+            JsonHolder jsonResult, GPSFixImporter preferredImporter) throws IOException {
-        final Set<TrackFileImportDeviceIdentifier> deviceIds = new HashSet<>();
         for (Pair<String, FileItem> pair : files) {
             final String fileName = pair.getA();
             final FileItem fileItem = pair.getB();
@@ -113,14 +111,15 @@ public class TrackFilesImportServlet extends AbstractFileUploadServlet {
                         importer.importFixes(in, new Callback() {
                             @Override
                             public void addFix(GPSFix fix, TrackFileImportDeviceIdentifier device) {
-                                deviceIds.add(device);
                                 storeFix(fix, device);
+                                jsonResult.add(device);
                             }
                         }, true, fileName);
                         succeeded = true;
                     } catch (Exception e) {
                         logger.log(Level.INFO, "Failed with " + e.getClass().getSimpleName()
                                 + " while importing file using " + importer.getType());
+                        jsonResult.add(importer.getClass().getName(), fileName, e);
                     }
                 }
                 if (succeeded) {
@@ -129,35 +128,36 @@ public class TrackFilesImportServlet extends AbstractFileUploadServlet {
                 }
             }
         }
-        return deviceIds;
     }
 
     @Override
     protected void process(List<FileItem> fileItems, HttpServletRequest req, HttpServletResponse resp) throws IOException {
-        String prefImporterType = null;
+        JsonHolder jsonResult = new JsonHolder(logger);
-        List<Pair<String, FileItem>> files = new ArrayList<>();
+        try {
-        for (FileItem item : fileItems) {
+            String prefImporterType = null;
-            if (!item.isFormField())
+            List<Pair<String, FileItem>> files = new ArrayList<>();
-                files.add(new Pair<String, FileItem>(item.getName(), item));
+            for (FileItem item : fileItems) {
-            else {
+                if (!item.isFormField())
-                if (item.getFieldName() != null && item.getFieldName().equals(PREFERRED_IMPORTER)) {
+                    files.add(new Pair<String, FileItem>(item.getName(), item));
-                    prefImporterType = item.getString();
+                else {
+                    if (item.getFieldName() != null && item.getFieldName().equals(PREFERRED_IMPORTER)) {
+                        prefImporterType = item.getString();
+                    }
                 }
             }
-        }
+            GPSFixImporter preferredImporter = null;
-        GPSFixImporter preferredImporter = null;
+            if (prefImporterType != null && !prefImporterType.isEmpty()) {
-        if (prefImporterType != null && !prefImporterType.isEmpty()) {
+                preferredImporter = getServiceFinderFactory().createServiceFinder(GPSFixImporter.class)
-            preferredImporter = getServiceFinderFactory().createServiceFinder(GPSFixImporter.class)
+                        .findService(prefImporterType);
-                    .findService(prefImporterType);
+            }
-        }
+            importFiles(files, jsonResult, preferredImporter);
-        final Iterable<TrackFileImportDeviceIdentifier> mappingList = importFiles(files, preferredImporter);
+            // setJsonResponseHeader(resp);
-        // setJsonResponseHeader(resp);
+            // DO NOT set a JSON response header. This causes the browser to wrap the response in a
-        // DO NOT set a JSON response header. This causes the browser to wrap the response in a
+            // <pre> tag when uploading from GWT, as this is an AJAX-request inside an iFrame.
-        // <pre> tag when uploading from GWT, as this is an AJAX-request inside an iFrame.
+        } catch (Exception e) {
-        resp.setContentType("text/html");
+            jsonResult.add(e);
-        for (TrackFileImportDeviceIdentifier mapping : mappingList) {
+        } finally {
-            String stringRep = mapping.getId().toString();
+            jsonResult.writeJSONString(resp);
-            resp.getWriter().println(stringRep);
         }
     }
 }