From 6b88cfe942593f7ab1c5c90b99aa3a3e315c94bc Mon Sep 17 00:00:00 2001
From: Jim Procter <jprocter@issues.jalview.org>
Date: Thu, 31 Aug 2017 07:04:43 +0100
Subject: [PATCH] JAL-2694 utility to transform single String to
 List<String>[1]

---
 src/jalview/structure/StructureSelectionManager.java |   18 ++++++++++++++++++
 1 file changed, 18 insertions(+)

diff --git a/src/jalview/structure/StructureSelectionManager.java b/src/jalview/structure/StructureSelectionManager.java
index 9020ed4..a98738f 100644
--- a/src/jalview/structure/StructureSelectionManager.java
+++ b/src/jalview/structure/StructureSelectionManager.java
@@ -1420,4 +1420,22 @@ public class StructureSelectionManager
     return seqmappings;
   }
 
+  /**
+   * utilty method - transform array of chain characters
+   * 
+   * @param chains
+   * @return array of lists with a chain in each
+   */
+  public static List<String>[] perChainList(String[] chains)
+  {
+    List<String>[] chainsL = new List[chains.length];
+    int p = 0;
+    for (String ch : chains)
+    {
+      chainsL[p] = new ArrayList();
+      chainsL[p++].add(ch);
+    }
+    return chainsL;
+  }
+
 }
-- 
1.7.10.2