fix SLF4J-546, Fluent logging API doesn't populate timestamp with Reload4JLogger

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

Author: ceki

slf4j-api/src/main/java/org/slf4j/event/DefaultLoggingEvent.java

@@ -126,6 +126,10 @@ public long getTimeStamp() {
         return timeStamp;
     }
 
+    public void setTimeStamp(long timeStamp) {
+        this.timeStamp = timeStamp;
+    }
+
     public void setCallerBoundary(String fqcn) {
         this.callerBoundary = fqcn;
     }

slf4j-reload4j/src/main/java/org/slf4j/reload4j/Reload4jLoggerAdapter.java

@@ -33,6 +33,7 @@
 import org.apache.log4j.spi.ThrowableInformation;
 import org.slf4j.Logger;
 import org.slf4j.Marker;
+import org.slf4j.event.DefaultLoggingEvent;
 import org.slf4j.event.LoggingEvent;
 import org.slf4j.event.SubstituteLoggingEvent;
 import org.slf4j.helpers.LegacyAbstractLogger;
@@ -169,6 +170,11 @@ private org.apache.log4j.spi.LoggingEvent event2Log4jEvent(LoggingEvent event, L
         if (t != null)
             ti = new ThrowableInformation(t);
 
+        if(event instanceof DefaultLoggingEvent) {
+            DefaultLoggingEvent defaultLoggingEvent = (DefaultLoggingEvent) event;
+            defaultLoggingEvent.setTimeStamp(System.currentTimeMillis());
+        }
+
         org.apache.log4j.spi.LoggingEvent log4jEvent = new org.apache.log4j.spi.LoggingEvent(fqcn, logger, event.getTimeStamp(), log4jLevel, formattedMessage,
                         event.getThreadName(), ti, null, locationInfo, null);
 

slf4j-reload4j/src/test/java/org/slf4j/reload4j/EventFieldsTest.java

@@ -0,0 +1,61 @@
+package org.slf4j.reload4j;
+
+import org.apache.log4j.spi.LoggingEvent;
+import org.junit.After;
+import org.junit.Test;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+import java.util.List;
+
+import static org.junit.Assert.*;
+
+public class EventFieldsTest {
+
+    // value of LogManager.DEFAULT_CONFIGURATION_KEY;
+    static String CONFIG_FILE_KEY = "log4j.configuration";
+
+    @After
+    public void tearDown() throws Exception {
+        System.clearProperty(CONFIG_FILE_KEY);
+    }
+
+    @Test
+    public void testWhetherEventsFieldsAreSet() {
+        System.setProperty(CONFIG_FILE_KEY, "eventFields.properties");
+        Logger logger = LoggerFactory.getLogger(this.getClass());
+        logger.info("hello");
+        logger.atInfo().setMessage("hello").log();
+
+        org.slf4j.reload4j.Reload4jLoggerAdapter rootReload4j = (org.slf4j.reload4j.Reload4jLoggerAdapter) LoggerFactory.getLogger(Logger.ROOT_LOGGER_NAME);
+
+
+        ListAppender listAppender = (ListAppender) rootReload4j.logger.getAppender("LIST");
+
+        assertNotNull(listAppender);
+        assertNotNull(listAppender.list);
+
+        List<LoggingEvent> eventList = listAppender.list;
+
+        assertEquals(2, eventList.size());
+
+        LoggingEvent loggingEvent0 = eventList.get(0);
+        long timeStamp0 = loggingEvent0.getTimeStamp();
+        String threadName0 = loggingEvent0.getThreadName();
+        assertTrue(timeStamp0 != 0);
+        assertNotNull(threadName0);
+        assertFalse(threadName0.isEmpty());
+
+        LoggingEvent loggingEvent1 = eventList.get(1);
+        long timeStamp1 = loggingEvent1.getTimeStamp();
+        String threadName1 = loggingEvent1.getThreadName();
+        assertTrue(timeStamp1 != 0);
+        assertTrue(timeStamp1 >= timeStamp0);
+        assertNotNull(threadName1);
+        assertFalse(threadName1.isEmpty());
+        assertEquals(threadName0, threadName1);
+
+    }
+
+
+}

slf4j-reload4j/src/test/resources/eventFields.properties

@@ -0,0 +1,4 @@
+log4j.debug=true
+log4j.rootLogger=DEBUG, LIST
+
+log4j.appender.LIST=org.slf4j.reload4j.ListAppender