From: jprocter <Jim Procter>
Date: Fri, 15 Aug 2008 10:01:05 +0000 (+0000)
Subject: safer copy constructor
X-Git-Tag: Release_2_4~25
X-Git-Url: http://source.jalview.org/gitweb/?a=commitdiff_plain;h=3d1147ffae5fbc5bdb7c80caa9655df656b8e67b;p=jalview.git

safer copy constructor
---

diff --git a/src/jalview/datamodel/DBRefEntry.java b/src/jalview/datamodel/DBRefEntry.java
index 7491da2..b6c3192 100755
--- a/src/jalview/datamodel/DBRefEntry.java
+++ b/src/jalview/datamodel/DBRefEntry.java
@@ -47,7 +47,10 @@ public class DBRefEntry
   }
   public DBRefEntry(DBRefEntry entry)
   {
-    this(new String(entry.source), new String(entry.version), new String(entry.accessionId), new Mapping(entry.map));
+    this((entry.source==null ? "" : new String(entry.source)), 
+            (entry.version==null ? "" : new String(entry.version)),
+            (entry.accessionId==null ? "" : new String(entry.accessionId)),
+            (entry.map==null ? null : new Mapping(entry.map)));
   }
   public boolean equals(DBRefEntry entry) {
       if (entry==this)