Avoid NPE in test cases. Encountered when writing out the system definitions file to XML.

git-svn-id: http://svn.us.apache.org/repos/asf/tuscany@992280 13f79535-47bb-0310-9956-ffa450edef68

1 files changed, 8 insertions, 2 deletions

diff --git a/sca-java-2.x/trunk/modules/assembly-xml/src/main/java/org/apache/tuscany/sca/policy/xml/PolicySetProcessor.java b/sca-java-2.x/trunk/modules/assembly-xml/src/main/java/org/apache/tuscany/sca/policy/xml/PolicySetProcessor.java
index 68475a208b..6bf797d957 100644
--- a/sca-java-2.x/trunk/modules/assembly-xml/src/main/java/org/apache/tuscany/sca/policy/xml/PolicySetProcessor.java
+++ b/sca-java-2.x/trunk/modules/assembly-xml/src/main/java/org/apache/tuscany/sca/policy/xml/PolicySetProcessor.java
@@ -359,8 +359,14 @@ public class PolicySetProcessor extends BaseStAXArtifactProcessor implements StA
         writer.writeStartElement(SCA11_NS, POLICY_SET);
         writer.writeNamespace(policySet.getName().getPrefix(), policySet.getName().getNamespaceURI());
         writer.writeAttribute(NAME, policySet.getName().getPrefix() + COLON + policySet.getName().getLocalPart());
-        writer.writeAttribute(APPLIES_TO, policySet.getAppliesTo());
-        writer.writeAttribute(ATTACH_TO, policySet.getAttachTo());
+
+        if (policySet.getAppliesTo() != null){
+            writer.writeAttribute(APPLIES_TO, policySet.getAppliesTo());
+        }
+        
+        if (policySet.getAttachTo() != null){
+            writer.writeAttribute(ATTACH_TO, policySet.getAttachTo());
+        }
 
         writeProvidedIntents(policySet, writer);