Revert "Look for upper case log levels by modifying the search term"

This reverts commit a62a3b47817ebb52f8ea4413d37804d4da459171.

2 files changed, 18 insertions, 10 deletions

diff --git a/vespalog/src/main/java/com/yahoo/log/LogLevel.java b/vespalog/src/main/java/com/yahoo/log/LogLevel.java
index daf2a0ff44d..f9cc4e9b7e3 100644
--- a/vespalog/src/main/java/com/yahoo/log/LogLevel.java
+++ b/vespalog/src/main/java/com/yahoo/log/LogLevel.java
@@ -1,7 +1,6 @@
 // Copyright 2017 Yahoo Holdings. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
 package com.yahoo.log;
 
-import java.nio.charset.StandardCharsets;
 import java.util.HashMap;
 import java.util.Map;
 import java.util.LinkedHashMap;
@@ -105,13 +104,21 @@ public class LogLevel extends Level {
         // manually enter the valid log levels we shall recognize in VESPA
         nameToLevel = new LinkedHashMap<String, Level>(32);
         nameToLevel.put("fatal", FATAL);
+        nameToLevel.put("FATAL", FATAL);
         nameToLevel.put("error", ERROR);
+        nameToLevel.put("ERROR", ERROR);
         nameToLevel.put("warning", WARNING);
+        nameToLevel.put("WARNING", WARNING);
         nameToLevel.put("config", CONFIG);
+        nameToLevel.put("CONFIG", CONFIG);
         nameToLevel.put("info", INFO);
+        nameToLevel.put("INFO", INFO);
         nameToLevel.put("event", EVENT);
+        nameToLevel.put("EVENT", EVENT);
         nameToLevel.put("debug", DEBUG);
+        nameToLevel.put("DEBUG", DEBUG);
         nameToLevel.put("spam", SPAM);
+        nameToLevel.put("SPAM", SPAM);
     }
 
     private LogLevel(String name, int value) {
@@ -132,15 +139,7 @@ public class LogLevel extends Level {
     public static Level parse(String name) {
         Level l = nameToLevel.get(name);
         if (l == null) {
-            // If name was not found, try changing the case of each character from (assumed) upper to lower:
-            byte[] nameBytes = name.getBytes(StandardCharsets.UTF_8);
-            for (int i = 0; i < nameBytes.length; i++)
-                nameBytes[i] += 32;
-            l = nameToLevel.get(new String(nameBytes));
-
-            if (l == null) {
-                return UNKNOWN;
-            }
+            return UNKNOWN;
         }
         return l;
     }
diff --git a/vespalog/src/test/java/com/yahoo/log/LogLevelTestCase.java b/vespalog/src/test/java/com/yahoo/log/LogLevelTestCase.java
index 8caa01f775b..aa9a2b36221 100644
--- a/vespalog/src/test/java/com/yahoo/log/LogLevelTestCase.java
+++ b/vespalog/src/test/java/com/yahoo/log/LogLevelTestCase.java
@@ -55,14 +55,23 @@ public class LogLevelTestCase {
     @Test
     public void testNameToLevelMapping () {
         assertEquals(LogLevel.UNKNOWN, LogLevel.parse("unknown"));
+        assertEquals(LogLevel.UNKNOWN, LogLevel.parse("UNKNOWN"));
         assertEquals(LogLevel.FATAL, LogLevel.parse("fatal"));
+        assertEquals(LogLevel.FATAL, LogLevel.parse("FATAL"));
         assertEquals(LogLevel.ERROR, LogLevel.parse("error"));
+        assertEquals(LogLevel.ERROR, LogLevel.parse("ERROR"));
         assertEquals(LogLevel.WARNING, LogLevel.parse("warning"));
+        assertEquals(LogLevel.WARNING, LogLevel.parse("WARNING"));
         assertEquals(LogLevel.INFO, LogLevel.parse("info"));
+        assertEquals(LogLevel.INFO, LogLevel.parse("INFO"));
         assertEquals(LogLevel.CONFIG, LogLevel.parse("config"));
+        assertEquals(LogLevel.CONFIG, LogLevel.parse("CONFIG"));
         assertEquals(LogLevel.EVENT, LogLevel.parse("event"));
+        assertEquals(LogLevel.EVENT, LogLevel.parse("EVENT"));
         assertEquals(LogLevel.DEBUG, LogLevel.parse("debug"));
+        assertEquals(LogLevel.DEBUG, LogLevel.parse("DEBUG"));
         assertEquals(LogLevel.SPAM, LogLevel.parse("spam"));
+        assertEquals(LogLevel.SPAM, LogLevel.parse("SPAM"));
 
         LogLevel.getLevels().values().forEach(level -> assertEquals(level, LogLevel.parse(level.getName())));
     }