Javadoc update

1 files changed, 9 insertions, 0 deletions

diff --git a/src/com/vaadin/terminal/gwt/client/communication/JsonEncoder.java b/src/com/vaadin/terminal/gwt/client/communication/JsonEncoder.java
index 294626e71a..fdc06b0e21 100644
--- a/src/com/vaadin/terminal/gwt/client/communication/JsonEncoder.java
+++ b/src/com/vaadin/terminal/gwt/client/communication/JsonEncoder.java
@@ -163,6 +163,15 @@ public class JsonEncoder {
         return outerArray;
     }
 
+    /**
+     * Returns the transport type for the given value. Only returns a transport
+     * type for internally handled values.
+     * 
+     * @param value
+     *            The value that should be transported
+     * @return One of the JsonEncode.VTYPE_ constants or null if the value
+     *         cannot be transported using an internally handled type.
+     */
     private static String getTransportType(Object value) {
         if (value == null) {
             return VTYPE_NULL;