# HG changeset patch
# User Bjoern Ricks <bjoern.ricks@intevation.de>
# Date 1348060486 0
# Node ID e6186ab0055353c345da2d33f46e03111139a79b
# Parent  9cbc8311e820ef45c12f48de5f37b65cae06bb87
Fix a NullPointerException

When iterating over a list it must be checked if the reference to the list is
valid.


flys-client/trunk@5524 c6561f87-3c4e-4783-a992-168aeb5c3f6f

diff -r 9cbc8311e820 -r e6186ab00553 flys-client/ChangeLog
--- a/flys-client/ChangeLog	Wed Sep 19 12:51:02 2012 +0000
+++ b/flys-client/ChangeLog	Wed Sep 19 13:14:46 2012 +0000
@@ -1,3 +1,9 @@
+2012-09-19	Björn Ricks	<bjoern.ricks@intevation.de>
+
+	* src/main/java/de/intevation/flys/client/shared/model/DefaultArtifactDescription.java:
+	  Fix NullPointerException when going back in WINFO artifact to the river
+	  selection.
+
 2012-09-19	Björn Ricks	<bjoern.ricks@intevation.de>
 
 	* src/main/java/de/intevation/flys/client/client/FLYSConstants_en.properties,
diff -r 9cbc8311e820 -r e6186ab00553 flys-client/src/main/java/de/intevation/flys/client/shared/model/DefaultArtifactDescription.java
--- a/flys-client/src/main/java/de/intevation/flys/client/shared/model/DefaultArtifactDescription.java	Wed Sep 19 12:51:02 2012 +0000
+++ b/flys-client/src/main/java/de/intevation/flys/client/shared/model/DefaultArtifactDescription.java	Wed Sep 19 13:14:46 2012 +0000
@@ -161,6 +161,9 @@
 
 
     public String getDataValueAsString(String name) {
+        if (oldData == null) {
+            return null;
+        }
         for (DataList list: oldData) {
             List<Data> dataList = list.getAll();