fix SLF4J-575

Signed-off-by: Ceki Gulcu <ceki@qos.ch>

Author: ceki

slf4j-api/src/main/java/org/slf4j/LoggerFactory.java

@@ -304,7 +304,9 @@ private static void replaySingleEvent(SubstituteLoggingEvent event) {
         if (substLogger.isDelegateNOP()) {
             // nothing to do
         } else if (substLogger.isDelegateEventAware()) {
-            substLogger.log(event);
+            if(substLogger.isEnabledForLevel(event.getLevel())) {
+                substLogger.log(event);
+            }
         } else {
             Util.report(loggerName);
         }

slf4j-api/src/main/java/org/slf4j/spi/LoggingEventAware.java

@@ -4,7 +4,17 @@
 
 /**
  * A logger capable of logging from org.slf4j.event.LoggingEvent implements this interface.
- * 
+ *
+ * <p>Please note that when the {@link #log(LoggingEvent)} method assumes that
+ * the event was filtered beforehand and no further filtering needs to occur by the method itself.
+ * <p>
+ *
+ * <p>Implementations of this interface <b>may</b> apply further filtering but they are not
+ * required to do so. In other words, {@link #log(LoggingEvent)} method is free to assume that
+ * the event was filtered beforehand and no further filtering needs to occur in the method itself.</p>
+ *
+ * See also https://jira.qos.ch/browse/SLF4J-575
+ *
  * @author Ceki Gulcu
  * @since 2.0.0
  */