Caldav: Improve calendar-color patch answer

git-svn-id: http://svn.code.sf.net/p/davmail/code/trunk@572 3d1905a2-6b24-0410-a738-b14d5a86fcbd

src/java/davmail/caldav/CaldavConnection.java

@@ -98,7 +98,8 @@ public class CaldavConnection extends AbstractConnection {
         }
     }
 
-    @Override public void run() {
+    @Override
+    public void run() {
         String line;
         StringTokenizer tokens;
 
@@ -218,7 +219,7 @@ public class CaldavConnection extends AbstractConnection {
             } else if (request.isPropFind()) {
                 sendCalendar(request);
             } else if (request.isPropPatch()) {
-                patchCalendar();
+                patchCalendar(request);
             } else if (request.isReport()) {
                 reportEvents(request);
             }
@@ -417,10 +418,15 @@ public class CaldavConnection extends AbstractConnection {
         response.close();
     }
 
-    public void patchCalendar() throws IOException {
+    public void patchCalendar(CaldavRequest request) throws IOException {
         CaldavResponse response = new CaldavResponse(HttpStatus.SC_MULTI_STATUS);
         response.startMultistatus();
         // just ignore calendar folder proppatch (color not supported in Exchange)
+        if (request.hasProperty("calendar-color")) {
+            response.startPropstat();
+            response.appendProperty("x1:calendar-color", "x1=\"http://apple.com/ns/ical/\"", null);
+            response.endPropStatOK();
+        }
         response.endMultistatus();
         response.close();
     }
@@ -1102,6 +1108,10 @@ public class CaldavConnection extends AbstractConnection {
             } else {
                 writer.write('<');
                 writer.write(propertyName);
+                if (namespace != null) {
+                    writer.write("  xmlns:");
+                    writer.write(namespace);
+                }
                 writer.write("/>");
             }
         }