X-Git-Url: http://source.jalview.org/gitweb/?p=jalview.git;a=blobdiff_plain;f=src%2Fjalview%2Futil%2FMappingUtils.java;fp=src%2Fjalview%2Futil%2FMappingUtils.java;h=05fc1c667c195c416843eee509620eabd26a2568;hp=25cb810cf61228031d1d9e105cda92ee5a3c9e17;hb=f96e6a945e2df8a844f428c08cfc08210d937fc0;hpb=11346f873e4ecb2d191499fd1d52b8de07a65bf3

diff --git a/src/jalview/util/MappingUtils.java b/src/jalview/util/MappingUtils.java
index 25cb810..05fc1c6 100644
--- a/src/jalview/util/MappingUtils.java
+++ b/src/jalview/util/MappingUtils.java
@@ -1109,4 +1109,21 @@ public final class MappingUtils
 
     return foundStart && to >= from ? new int[] { from, to } : null;
   }
+    
+  public static <K, V> Map<K, V> putWithDuplicationCheck(Map<K, V> map, K key,
+          V value)
+  {
+    if (!map.containsKey(key))
+    {
+      map.put(key, value);
+    }
+    else
+    {
+      jalview.bin.Cache.log.warn(
+              "Attempt to add duplicate entry detected for map with key: "
+                      + key.toString() + " and value: " + value.toString());
+    }
+  
+    return map;
+  }
 }