From 9188c9d753388db3957d54df2c499390d7151ef8 Mon Sep 17 00:00:00 2001
From: Stefan Begerad <dialog@swingbe.de>
Date: Tue, 30 Nov 2021 15:12:05 -0500
Subject: [PATCH] feat(mon_dir): added Logger class

---
 mon_dir/pom.xml                               | 10 ++++++
 .../main/java/de/swingbe/mon_dir/Main.java    | 18 +++++++----
 mon_dir/src/main/resources/log4j2.xml         | 32 +++++++++++++++++++
 3 files changed, 54 insertions(+), 6 deletions(-)
 create mode 100644 mon_dir/src/main/resources/log4j2.xml

diff --git a/mon_dir/pom.xml b/mon_dir/pom.xml
index 569c3dd..00b538d 100644
--- a/mon_dir/pom.xml
+++ b/mon_dir/pom.xml
@@ -83,4 +83,14 @@
             </plugin>
         </plugins>
     </build>
+
+    <dependencies>
+        <!--required for Logger class-->
+        <dependency>
+            <groupId>org.apache.logging.log4j</groupId>
+            <artifactId>log4j-slf4j-impl</artifactId>
+            <version>2.9.0</version>
+        </dependency>
+    </dependencies>
+
 </project>
diff --git a/mon_dir/src/main/java/de/swingbe/mon_dir/Main.java b/mon_dir/src/main/java/de/swingbe/mon_dir/Main.java
index 648dcd5..a7290fd 100644
--- a/mon_dir/src/main/java/de/swingbe/mon_dir/Main.java
+++ b/mon_dir/src/main/java/de/swingbe/mon_dir/Main.java
@@ -1,10 +1,15 @@
 package de.swingbe.mon_dir;
 
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
 import java.io.IOException;
 import java.nio.file.*;
 
 public class Main {
-    private static final String FOLDER="/opt/npm";
+    public final static Logger LOG = LoggerFactory.getLogger(Main.class);
+
+    private static final String FOLDER = "/opt/npm";
 
     public static void main(String[] args) throws IOException,
             InterruptedException {
@@ -16,7 +21,8 @@ public class Main {
 
         //register a Path instance for events using a WatchService instance
         folder.register(watchService, StandardWatchEventKinds.ENTRY_CREATE,
-                StandardWatchEventKinds.ENTRY_MODIFY);
+                StandardWatchEventKinds.ENTRY_MODIFY,
+                StandardWatchEventKinds.ENTRY_DELETE);
 
         boolean valid = true;
         do {
@@ -27,16 +33,16 @@ public class Main {
 
                 if (StandardWatchEventKinds.ENTRY_CREATE.equals(event.kind())) {
                     String fileName = event.context().toString();
-                    System.out.println("File created:" + fileName);
+                    LOG.debug("File created: " + fileName);
                 } else if (StandardWatchEventKinds.ENTRY_MODIFY.equals(event.kind())) {
                     Path context = (Path) event.context();
                     String fileName = context.toString();
-                    System.out.println("File modified:" + fileName);
+                    LOG.debug("File modified: " + fileName);
                 } else if (StandardWatchEventKinds.ENTRY_DELETE.equals(event.kind())) {
                     String fileName = event.context().toString();
-                    System.out.println("File deleted:" + fileName);
+                    LOG.debug("File deleted: " + fileName);
                 } else {
-                    System.out.println("Event unknown");
+                    LOG.warn("Event unknown");
                 }
                 valid = watchKey.reset();
 
diff --git a/mon_dir/src/main/resources/log4j2.xml b/mon_dir/src/main/resources/log4j2.xml
new file mode 100644
index 0000000..d1ef7f2
--- /dev/null
+++ b/mon_dir/src/main/resources/log4j2.xml
@@ -0,0 +1,32 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<Configuration status="INFO">
+    <Appenders>
+        <RollingFile name="rollingFile"
+                     fileName="sizeRolling.log"
+                     filePattern="sizeRolling-%d{yyyy-MM-dd}.log"
+                     ignoreExceptions="false"
+        >
+            <PatternLayout>
+                <Pattern>[%-5p] %d{yyyy-MM-dd HH:mm:ss.SSS} %c{1} %m%n</Pattern>
+            </PatternLayout>
+            <Policies>
+                <SizeBasedTriggeringPolicy size="3MB"/>
+            </Policies>
+            <DefaultRolloverStrategy max="5"/>
+        </RollingFile>
+
+        <Console name="console" target="SYSTEM_OUT">
+            <PatternLayout
+                    pattern="[%-5level] %d{yyyy-MM-dd HH:mm:ss.SSS} %c{1} - %msg%n"/>
+        </Console>
+    </Appenders>
+    <Loggers>
+        <Logger name="de.swingbe" level="all" additivity="true">
+            <appender-ref ref="rollingFile" level="debug"/>
+        </Logger>
+        <Root level="debug" additivity="false">
+            <appender-ref ref="console"/>
+        </Root>
+    </Loggers>
+
+</Configuration>