special handling for calendar link

java/com.sap.sailing.gwt.ui/Calendar.html

@@ -0,0 +1,3 @@
+<body>
+Dummy file used to count calendar-based access to Solutions place
+</body>

java/com.sap.sailing.gwt.ui/build.properties

@@ -50,5 +50,6 @@ bin.includes = META-INF/,\
                SettingsDialog.css,\
                EmbeddedMapAndWindChart.css,\
                EmbeddedMapAndWindChart.html,\
-               com.sap.sailing.gwt.ui.EmbeddedMapAndWindChart/
+               com.sap.sailing.gwt.ui.EmbeddedMapAndWindChart/,\
+               Calendar.html
 output.. = WEB-INF/classes/

java/com.sap.sailing.gwt.ui/src/main/java/com/sap/sailing/gwt/common/client/AbstractBasePlace.java

@@ -46,14 +46,11 @@ public abstract class AbstractBasePlace extends Place {
     public AbstractBasePlace(String url) {
         if (url != null && !url.isEmpty()) {
             this.placeParametersAsToken = url;
-
             List<String> list = Arrays.asList(placeParametersAsToken.split("&"));
-    
             if (list == null || list.size() < 1) {
                 logger.warning("Token empty, no-op");
                 return;
             }
-    
             for (String listItem : list) {
                 List<String> nvPair = Arrays.asList(listItem.split("="));
                 if (nvPair == null || nvPair.size() != 2) {

java/com.sap.sailing.gwt.ui/src/main/java/com/sap/sailing/gwt/home/shared/places/solutions/SolutionsPlace.java

@@ -1,5 +1,11 @@
 package com.sap.sailing.gwt.home.shared.places.solutions;
 
+import com.google.gwt.core.shared.GWT;
+import com.google.gwt.http.client.Request;
+import com.google.gwt.http.client.RequestBuilder;
+import com.google.gwt.http.client.RequestCallback;
+import com.google.gwt.http.client.RequestException;
+import com.google.gwt.http.client.Response;
 import com.google.gwt.place.shared.PlaceTokenizer;
 import com.sap.sailing.gwt.common.client.AbstractBasePlace;
 import com.sap.sailing.gwt.common.client.i18n.TextMessages;
@@ -12,17 +18,55 @@ public class SolutionsPlace extends AbstractBasePlace implements HasLocationTitl
         SapInSailing, SailingAnalytics, RaceCommiteeApp, PostRaceAnalytics, TrainingDiary, SailingSimulator
     };
     private final SolutionsNavigationTabs navigationTab;
-    private final static String PARAM_NAVIGATION_TAB = "navigationTab"; 
+    private final static String PARAM_NAVIGATION_TAB = "navigationTab";
+    private final static String CALENDAR_ACCESS_COUNT_URL = "/gwt/Calendar.html";
+    private final boolean invokedFromCalendar;
 
     public SolutionsPlace(String url) {
-        super(url);
-        String paramNavTab = getParameter(PARAM_NAVIGATION_TAB);
-        navigationTab = paramNavTab != null ? SolutionsNavigationTabs.valueOf(paramNavTab) : null;
+        super(url.split("\\?")[0]); // if the fragment holds another "?" check if it's the "Calendar marker" c=1
+        final String[] splitUrl = url.split("\\?");
+        if (splitUrl.length > 1) {
+            final String calendarMarker = splitUrl[1];
+            invokedFromCalendar = calendarMarker.equals("c=1");
+        } else {
+            invokedFromCalendar = false;
+        }
+        if (invokedFromCalendar) {
+            navigationTab = SolutionsNavigationTabs.SapInSailing;
+            makeLoggedCountableCalendarRequest();
+        } else {
+            final String paramNavTab = getParameter(PARAM_NAVIGATION_TAB);
+            navigationTab = paramNavTab != null ? SolutionsNavigationTabs.valueOf(paramNavTab) : null;
+        }
+    }
+    
+    private void makeLoggedCountableCalendarRequest() {
+        GWT.debugger();
+        final RequestBuilder requestBuilder = new RequestBuilder(RequestBuilder.GET, CALENDAR_ACCESS_COUNT_URL);
+        try {
+            requestBuilder.sendRequest(/* requestData */ null, new RequestCallback() {
+                @Override
+                public void onResponseReceived(Request request, Response response) {
+                    // nothing to do; it's just to make calendar-based access server-countable
+                    String text = response.getText();
+                    GWT.log("Received "+text);
+                }
+
+                @Override
+                public void onError(Request request, Throwable exception) {
+                    // nothing to do; it's just to make calendar-based access server-countable; it failed...
+                    GWT.log("Warning: couldn't access calendar link counter", exception);
+                }
+            });
+        } catch (RequestException e) {
+            GWT.log("Warning: couldn't access calendar link counter", e);
+        }
     }
 
     public SolutionsPlace(SolutionsNavigationTabs navigationTab) {
         super(PARAM_NAVIGATION_TAB, navigationTab.name());
         this.navigationTab = navigationTab;
+        this.invokedFromCalendar = false;
     }
 
     public SolutionsNavigationTabs getNavigationTab() {