Throw exception if pdb result size is zero

diff --git a/src/jalview/gui/SequenceFetcher.java b/src/jalview/gui/SequenceFetcher.java
index 6687020..0ea13a2 100755 (executable)
--- a/src/jalview/gui/SequenceFetcher.java
+++ b/src/jalview/gui/SequenceFetcher.java
@@ -195,7 +195,7 @@ extends JPanel implements Runnable
     else if (database.getSelectedItem().equals("EMBL")
         || database.getSelectedItem().equals("EMBLCDS"))
     {
-      String DBRefSource = database.getSelectedItem().equals("EMBLCDS") 
+      String DBRefSource = database.getSelectedItem().equals("EMBLCDS")
       ? jalview.datamodel.DBRefSource.EMBLCDS
           : jalview.datamodel.DBRefSource.EMBL;
 
@@ -213,7 +213,7 @@ extends JPanel implements Runnable
         jalview.datamodel.xdb.embl.EmblFile efile=null;
         if (reply != null && reply.exists())
         {
-          efile = jalview.datamodel.xdb.embl.EmblFile.getEmblFile(reply); 
+          efile = jalview.datamodel.xdb.embl.EmblFile.getEmblFile(reply);
         }
         if (efile!=null) {
           for (Iterator i=efile.getEntries().iterator(); i.hasNext(); ) {
@@ -246,7 +246,7 @@ extends JPanel implements Runnable
       if (seqs!=null && seqs.length>0) {
         if (parseResult(new Alignment(seqs), null, null)!=null)
           result.append("# Successfully parsed the "+database.getSelectedItem()+" Queries into an Alignment");
-      }    
+      }
     }
     else if (database.getSelectedItem().equals("PDB"))
     {
@@ -447,7 +447,7 @@ extends JPanel implements Runnable
             entry.getProperty().put("chains",
                         pdbchain.id
                         + "=" + sq.getStart()
-                        + "-" + sq.getEnd()); 
+                        + "-" + sq.getEnd());
             sq.getDatasetSequence().addPDBId(entry);
            */
           // Add PDB DB Refs
@@ -460,6 +460,11 @@ extends JPanel implements Runnable
           result.addElement(sq.deriveSequence());
         }
       }
+
+      if (result.size() < 1)
+      {
+        throw new Exception("WsDBFetch for PDB id resulted in zero result size");
+      }
     }
     catch (Exception ex) // Problem parsing PDB file
     {
@@ -468,6 +473,8 @@ extends JPanel implements Runnable
           database.getSelectedItem(), ex);
       return null;
     }
+
+
     SequenceI[] results = new SequenceI[result.size()];
     for (int i = 0, j = result.size(); i < j; i++)
     {