From 5211ca6a4525491499ac763373a703e35bdce37f Mon Sep 17 00:00:00 2001
From: "Niels Erik G. Nielsen" <nielserik@indexdata.com>
Date: Thu, 7 May 2015 12:31:26 +0200
Subject: [PATCH] Returns "" rather than "null" on missing value

.. in SearchCommand.filter expression ('pz:id='). Outcome would be
   the same ('no targets') unless there was a target with the ID "null"
---
 src/main/java/com/indexdata/mkjsf/pazpar2/commands/Expression.java |    3 +++
 1 file changed, 3 insertions(+)

diff --git a/src/main/java/com/indexdata/mkjsf/pazpar2/commands/Expression.java b/src/main/java/com/indexdata/mkjsf/pazpar2/commands/Expression.java
index af10e9b..694996f 100644
--- a/src/main/java/com/indexdata/mkjsf/pazpar2/commands/Expression.java
+++ b/src/main/java/com/indexdata/mkjsf/pazpar2/commands/Expression.java
@@ -63,6 +63,9 @@ public class Expression implements Serializable {
     if (parts.length>1) {
       this.rightEntity = parts[1];
       this.label=rightEntity;
+    } else {
+      this.rightEntity = "";
+      this.label = "";
     }
   }
   
-- 
1.7.10.4