JAL-4411 handle Boolean from String when Jalview projects imported

diff --git a/src/jalview/datamodel/PDBEntry.java b/src/jalview/datamodel/PDBEntry.java
index c3906f9..fb9e96a 100755 (executable)
--- a/src/jalview/datamodel/PDBEntry.java
+++ b/src/jalview/datamodel/PDBEntry.java
@@ -515,7 +515,8 @@ public class PDBEntry
   {
     if (_hasProperty(AUTHORITATIVE_ID))
     {
-      return ((Boolean) getProperty(AUTHORITATIVE_ID));
+      Object authId = getProperty(AUTHORITATIVE_ID);
+      return (authId instanceof Boolean) ? (Boolean) authId : Boolean.valueOf(authId.toString());
     }
     return false;
   }