From e92b746252bedc344d08ecf9a10cca7a539fb266 Mon Sep 17 00:00:00 2001
From: gmungoc <g.m.carstairs@dundee.ac.uk>
Date: Tue, 27 Nov 2018 16:21:06 +0000
Subject: [PATCH] JAL-3163 only log missing message keys once each

---
 src/jalview/util/MessageManager.java |   29 ++++++++++++++++++++++++-----
 1 file changed, 24 insertions(+), 5 deletions(-)

diff --git a/src/jalview/util/MessageManager.java b/src/jalview/util/MessageManager.java
index 3dace12..2852364 100644
--- a/src/jalview/util/MessageManager.java
+++ b/src/jalview/util/MessageManager.java
@@ -21,11 +21,11 @@
 package jalview.util;
 
 import java.text.MessageFormat;
+import java.util.HashSet;
 import java.util.Locale;
 import java.util.ResourceBundle;
 import java.util.ResourceBundle.Control;
-//import java.util.logging.Level;
-//import java.util.logging.Logger;
+import java.util.Set;
 
 import org.apache.log4j.Logger;
 
@@ -48,6 +48,8 @@ public class MessageManager
 
   private static Locale loc;
 
+  private static Set<String> reportedMissing = new HashSet<>();
+
   static
   {
     try
@@ -86,7 +88,8 @@ public class MessageManager
       value = rb.getString(key);
     } catch (Exception e)
     {
-      log.warn("I18N missing: " + loc + "\t" + key);
+      String msg = "I18N missing: " + loc + "\t" + key;
+	  logWarning(key, msg);
     }
     return value;
   }
@@ -125,9 +128,25 @@ public class MessageManager
       name = rb.getString(smkey);
     } catch (Exception x)
     {
-      log.info("I18N missing key with root " + keyroot + ": " + loc + "\t"
-              + smkey); // was FINEST
+      String msg = "I18N missing key with root " + keyroot + ": " + loc + "\t"
+		          + smkey;
+	  logWarning(smkey, msg);
     }
     return name;
   }
+
+  /**
+   * Logs missing keys (each key once only per run)
+   * 
+   * @param key
+   * @param msg
+   */
+  private static void logWarning(String key, String msg) 
+  {
+	if (!reportedMissing.contains(key))
+	{
+      reportedMissing.add(key);
+	  log.info(msg);
+	}
+  }
 }
-- 
1.7.10.2