From acaa70c66d448af4b13b8537ca9be9c542f21afc Mon Sep 17 00:00:00 2001
From: Slavisa Baeldung <slavisa.baeldung@gmail.com>
Date: Fri, 1 Jul 2016 15:22:07 +0200
Subject: [PATCH] BAEL-65 - logging to files

---
 log4j/pom.xml                                 | 30 +++++++++----------
 .../com/baeldung/log4j2/Log4j2Example.java    | 16 ++++++++++
 .../com/baeldung/logback/LogbackExample.java  | 16 ++++++++++
 log4j/src/main/resources/log4j.xml            | 16 +++++-----
 log4j/src/main/resources/log4j2.xml           |  4 +--
 log4j/src/main/resources/logback.xml          |  4 +--
 pom.xml                                       |  1 +
 7 files changed, 60 insertions(+), 27 deletions(-)
 create mode 100644 log4j/src/main/java/com/baeldung/log4j2/Log4j2Example.java
 create mode 100644 log4j/src/main/java/com/baeldung/logback/LogbackExample.java

diff --git a/log4j/pom.xml b/log4j/pom.xml
index 5c73dc848d..ed2df31b05 100644
--- a/log4j/pom.xml
+++ b/log4j/pom.xml
@@ -21,24 +21,24 @@
         <!--log4j2 dependencies-->
 
 
-        <!--<dependency>-->
-            <!--<groupId>org.apache.logging.log4j</groupId>-->
-            <!--<artifactId>log4j-api</artifactId>-->
-            <!--<version>2.6</version>-->
-        <!--</dependency>-->
-        <!--<dependency>-->
-            <!--<groupId>org.apache.logging.log4j</groupId>-->
-            <!--<artifactId>log4j-core</artifactId>-->
-            <!--<version>2.6</version>-->
-        <!--</dependency>-->
+        <dependency>
+            <groupId>org.apache.logging.log4j</groupId>
+            <artifactId>log4j-api</artifactId>
+            <version>2.6</version>
+        </dependency>
+        <dependency>
+            <groupId>org.apache.logging.log4j</groupId>
+            <artifactId>log4j-core</artifactId>
+            <version>2.6</version>
+        </dependency>
 
         <!--logback dependencies-->
 
-        <!--<dependency>-->
-            <!--<groupId>ch.qos.logback</groupId>-->
-            <!--<artifactId>logback-classic</artifactId>-->
-            <!--<version>1.1.7</version>-->
-        <!--</dependency>-->
+        <dependency>
+            <groupId>ch.qos.logback</groupId>
+            <artifactId>logback-classic</artifactId>
+            <version>1.1.7</version>
+        </dependency>
     </dependencies>
     <build>
         <plugins>
diff --git a/log4j/src/main/java/com/baeldung/log4j2/Log4j2Example.java b/log4j/src/main/java/com/baeldung/log4j2/Log4j2Example.java
new file mode 100644
index 0000000000..dfcfdbf286
--- /dev/null
+++ b/log4j/src/main/java/com/baeldung/log4j2/Log4j2Example.java
@@ -0,0 +1,16 @@
+package com.baeldung.log4j2;
+
+import org.apache.logging.log4j.Logger;
+import org.apache.logging.log4j.LogManager;
+
+public class Log4j2Example {
+
+    private static final Logger logger = LogManager.getLogger(Log4j2Example.class);
+
+    public static void main(String[] args) {
+        logger.debug("Debug log message");
+        logger.info("Info log message");
+        logger.error("Error log message");
+    }
+
+}
\ No newline at end of file
diff --git a/log4j/src/main/java/com/baeldung/logback/LogbackExample.java b/log4j/src/main/java/com/baeldung/logback/LogbackExample.java
new file mode 100644
index 0000000000..7b348d505a
--- /dev/null
+++ b/log4j/src/main/java/com/baeldung/logback/LogbackExample.java
@@ -0,0 +1,16 @@
+package com.baeldung.logback;
+
+
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+public class LogbackExample {
+
+    private static final Logger logger = LoggerFactory.getLogger(LogbackExample.class);
+
+    public static void main(String[] args) {
+        logger.debug("Debug log message");
+        logger.info("Info log message");
+        logger.error("Error log message");
+    }
+}
\ No newline at end of file
diff --git a/log4j/src/main/resources/log4j.xml b/log4j/src/main/resources/log4j.xml
index 1de6c62caf..39c7b1f51b 100644
--- a/log4j/src/main/resources/log4j.xml
+++ b/log4j/src/main/resources/log4j.xml
@@ -4,28 +4,28 @@
     <!--Console appender-->
     <appender name="stdout" class="org.apache.log4j.ConsoleAppender">
         <layout class="org.apache.log4j.PatternLayout">
-            <param name="ConversionPattern" value="%d{yyyy-MM-dd HH:mm:ss} %p %m%n" />
+            <param name="ConversionPattern" value="%d{yyyy-MM-dd HH:mm:ss} %p %m%n"/>
         </layout>
     </appender>
 
     <!-- File appender-->
     <appender name="fout" class="org.apache.log4j.FileAppender">
-        <param name="file" value="baeldung.log" />
-        <param name="append" value="false" />
+        <param name="file" value="log4j/target/baeldung-log4j.log"/>
+        <param name="append" value="false"/>
         <layout class="org.apache.log4j.PatternLayout">
-            <param name="ConversionPattern" value="%d{yyyy-MM-dd HH:mm:ss} %-5p %m%n" />
+            <param name="ConversionPattern" value="%d{yyyy-MM-dd HH:mm:ss} %-5p %m%n"/>
         </layout>
     </appender>
 
     <!--Override log level for specified package-->
     <category name="com.baeldung.log4j">
-        <priority value="TRACE" />
+        <priority value="TRACE"/>
     </category>
 
     <root>
-        <level value="DEBUG" />
-        <appender-ref ref="stdout" />
-        <appender-ref ref="fout" />
+        <level value="DEBUG"/>
+        <appender-ref ref="stdout"/>
+        <appender-ref ref="fout"/>
     </root>
 
 </log4j:configuration>
\ No newline at end of file
diff --git a/log4j/src/main/resources/log4j2.xml b/log4j/src/main/resources/log4j2.xml
index 0a854b25b7..a72b2e3314 100644
--- a/log4j/src/main/resources/log4j2.xml
+++ b/log4j/src/main/resources/log4j2.xml
@@ -8,7 +8,7 @@
         </Console>
 
         # File appender
-        <File name="fout" fileName="baeldung.log" immediateFlush="false" append="false">
+        <File name="fout" fileName="log4j/target/baeldung-log4j2.log" immediateFlush="false" append="false">
             # Pattern of log message for file appender
             <PatternLayout pattern="%d{yyyy-MM-dd HH:mm:ss} %-5p %m%n"/>
         </File>
@@ -16,7 +16,7 @@
 
     <Loggers>
         # Override log level for specified package
-        <Logger name="com.baeldung.log4j" level="TRACE"/>
+        <Logger name="com.baeldung.log4j2" level="ERROR"/>
 
         <Root level="DEBUG">
             <AppenderRef ref="stdout" />
diff --git a/log4j/src/main/resources/logback.xml b/log4j/src/main/resources/logback.xml
index c70bceab16..378ce0a751 100644
--- a/log4j/src/main/resources/logback.xml
+++ b/log4j/src/main/resources/logback.xml
@@ -10,7 +10,7 @@
   # File appender
   <appender name="fout" class="ch.qos.logback.core.FileAppender">
     # Name of a log file
-    <file>baeldung.log</file>
+    <file>log4j/target/baeldung-logback.log</file>
     <append>false</append>
     <encoder>
       # Pattern of log message for file appender
@@ -19,7 +19,7 @@
   </appender>
 
   # Override log level for specified package
-  <logger name="com.baeldung.log4j" level="TRACE"/>
+  <logger name="com.baeldung.logback" level="ERROR"/>
 
   <root level="DEBUG">
     <appender-ref ref="stdout" />
diff --git a/pom.xml b/pom.xml
index 75281ce80d..be35ddeab0 100644
--- a/pom.xml
+++ b/pom.xml
@@ -32,6 +32,7 @@
         <!-- <module>raml</module> -->
         <module>rest-testing</module>
         <module>resteasy</module>
+        <module>log4j</module>
 
         <module>spring-all</module>
         <module>spring-apache-camel</module>