Repository: logging-log4j-scala
Updated Branches:
  refs/heads/master 5a71e5caa -> 184045cbc


Add placeholder for Scala 2.13 but do not enable the module.

Project: http://git-wip-us.apache.org/repos/asf/logging-log4j-scala/repo
Commit: 
http://git-wip-us.apache.org/repos/asf/logging-log4j-scala/commit/184045cb
Tree: http://git-wip-us.apache.org/repos/asf/logging-log4j-scala/tree/184045cb
Diff: http://git-wip-us.apache.org/repos/asf/logging-log4j-scala/diff/184045cb

Branch: refs/heads/master
Commit: 184045cbc7a517faef2a709aa68e83d7a0053599
Parents: 5a71e5c
Author: Gary Gregory <[email protected]>
Authored: Sat Nov 11 15:26:01 2017 -0700
Committer: Gary Gregory <[email protected]>
Committed: Sat Nov 11 15:26:01 2017 -0700

----------------------------------------------------------------------
 log4j-api-scala_2.13/pom.xml                    | 145 +++++
 .../org/apache/logging/log4j/scala/Logger.scala | 592 +++++++++++++++++++
 .../logging/log4j/scala/LoggerMacro.scala       | 425 +++++++++++++
 .../apache/logging/log4j/scala/Logging.scala    |  30 +
 .../logging/log4j/scala/LoggingContext.scala    |  84 +++
 log4j-api-scala_2.13/src/site/markdown/index.md |  74 +++
 log4j-api-scala_2.13/src/site/site.xml          |  30 +
 .../apache/logging/log4j/scala/LoggerTest.scala | 552 +++++++++++++++++
 .../log4j/scala/LoggingContextTest.scala        | 115 ++++
 pom.xml                                         |   1 +
 10 files changed, 2048 insertions(+)
----------------------------------------------------------------------


http://git-wip-us.apache.org/repos/asf/logging-log4j-scala/blob/184045cb/log4j-api-scala_2.13/pom.xml
----------------------------------------------------------------------
diff --git a/log4j-api-scala_2.13/pom.xml b/log4j-api-scala_2.13/pom.xml
new file mode 100644
index 0000000..ea0f19c
--- /dev/null
+++ b/log4j-api-scala_2.13/pom.xml
@@ -0,0 +1,145 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!--
+ Licensed to the Apache Software Foundation (ASF) under one or more
+ contributor license agreements.  See the NOTICE file distributed with
+ this work for additional information regarding copyright ownership.
+ The ASF licenses this file to You under the Apache License, Version 2.0
+ (the "License"); you may not use this file except in compliance with
+ the License.  You may obtain a copy of the License at
+
+      http://www.apache.org/licenses/LICENSE-2.0
+
+ Unless required by applicable law or agreed to in writing, software
+ distributed under the License is distributed on an "AS IS" BASIS,
+ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ See the License for the specific language governing permissions and
+ limitations under the License.
+-->
+<project xmlns="http://maven.apache.org/POM/4.0.0"; 
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"; 
xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 
http://maven.apache.org/xsd/maven-4.0.0.xsd";>
+  <modelVersion>4.0.0</modelVersion>
+  <parent>
+    <groupId>org.apache.logging.log4j</groupId>
+    <artifactId>log4j-scala</artifactId>
+    <version>12.0-SNAPSHOT</version>
+    <relativePath>../</relativePath>
+  </parent>
+  <artifactId>log4j-api-scala_2.13</artifactId>
+  <packaging>jar</packaging>
+  <name>Scala 2.13 wrapper for Log4j API</name>
+  <description>Scala wrapper for Log4j API</description>
+  <properties>
+    <log4jParentDir>${basedir}/..</log4jParentDir>
+    <projectDir>/scala_2.13</projectDir>
+    <scala.version>2.13.0-M2</scala.version>
+    <scala.maven.plugin.version>3.3.1</scala.maven.plugin.version>
+    <maven.compiler.source>1.8</maven.compiler.source>
+    <maven.compiler.target>1.8</maven.compiler.target>
+  </properties>
+  <dependencies>
+    <dependency>
+      <groupId>org.apache.logging.log4j</groupId>
+      <artifactId>log4j-api</artifactId>
+    </dependency>
+    <dependency>
+      <groupId>org.scala-lang</groupId>
+      <artifactId>scala-library</artifactId>
+      <version>${scala.version}</version>
+    </dependency>
+    <dependency>
+      <groupId>org.scala-lang</groupId>
+      <artifactId>scala-reflect</artifactId>
+      <version>${scala.version}</version>
+    </dependency>
+    <dependency>
+      <groupId>org.apache.logging.log4j</groupId>
+      <artifactId>log4j-api</artifactId>
+      <type>test-jar</type>
+      <scope>test</scope>
+    </dependency>
+    <dependency>
+      <groupId>junit</groupId>
+      <artifactId>junit</artifactId>
+      <scope>test</scope>
+    </dependency>
+    <dependency>
+      <groupId>org.scalatest</groupId>
+      <artifactId>scalatest_2.13.0-M2</artifactId>
+      <version>3.0.4</version>
+      <scope>test</scope>
+    </dependency>
+    <dependency>
+      <groupId>org.mockito</groupId>
+      <artifactId>mockito-core</artifactId>
+      <version>1.10.19</version>
+      <scope>test</scope>
+    </dependency>
+  </dependencies>
+  <build>
+    <sourceDirectory>src/main/scala</sourceDirectory>
+    <testSourceDirectory>src/test/scala</testSourceDirectory>
+    <plugins>
+      <plugin>
+        <groupId>net.alchim31.maven</groupId>
+        <artifactId>scala-maven-plugin</artifactId>
+        <version>${scala.maven.plugin.version}</version>
+        <executions>
+          <execution>
+            <goals>
+              <goal>compile</goal>
+              <goal>testCompile</goal>
+              <goal>doc-jar</goal>
+            </goals>
+          </execution>
+        </executions>
+        <configuration>
+          <args>
+            <arg>-feature</arg>
+            <arg>-unchecked</arg>
+            <arg>-deprecation</arg>
+          </args>
+        </configuration>
+      </plugin>
+      <plugin>
+        <groupId>org.apache.maven.plugins</groupId>
+        <artifactId>maven-surefire-plugin</artifactId>
+      </plugin>
+      <plugin>
+        <groupId>org.apache.felix</groupId>
+        <artifactId>maven-bundle-plugin</artifactId>
+      </plugin>
+    </plugins>
+  </build>
+  <reporting>
+    <plugins>
+      <plugin>
+        <groupId>org.apache.maven.plugins</groupId>
+        <artifactId>maven-changes-plugin</artifactId>
+        <version>${changes.plugin.version}</version>
+        <reportSets>
+          <reportSet>
+            <reports>
+              <report>changes-report</report>
+            </reports>
+          </reportSet>
+        </reportSets>
+        <configuration>
+          <issueLinkTemplate>%URL%/show_bug.cgi?id=%ISSUE%</issueLinkTemplate>
+          <useJql>true</useJql>
+        </configuration>
+      </plugin>
+      <plugin>
+        <groupId>org.apache.maven.plugins</groupId>
+        <artifactId>maven-pmd-plugin</artifactId>
+        <version>${pmd.plugin.version}</version>
+        <configuration>
+          <targetJdk>${maven.compiler.target}</targetJdk>
+        </configuration>
+      </plugin>
+      <plugin>
+        <groupId>net.alchim31.maven</groupId>
+        <artifactId>scala-maven-plugin</artifactId>
+        <version>${scala.maven.plugin.version}</version>
+      </plugin>
+    </plugins>
+  </reporting>
+</project>

http://git-wip-us.apache.org/repos/asf/logging-log4j-scala/blob/184045cb/log4j-api-scala_2.13/src/main/scala/org/apache/logging/log4j/scala/Logger.scala
----------------------------------------------------------------------
diff --git 
a/log4j-api-scala_2.13/src/main/scala/org/apache/logging/log4j/scala/Logger.scala
 
b/log4j-api-scala_2.13/src/main/scala/org/apache/logging/log4j/scala/Logger.scala
new file mode 100644
index 0000000..b42cd5a
--- /dev/null
+++ 
b/log4j-api-scala_2.13/src/main/scala/org/apache/logging/log4j/scala/Logger.scala
@@ -0,0 +1,592 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements. See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache license, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the license for the specific language governing permissions and
+ * limitations under the license.
+ */
+package org.apache.logging.log4j.scala
+
+import org.apache.logging.log4j.message.{EntryMessage, Message, 
MessageFactory2}
+import org.apache.logging.log4j.spi.ExtendedLogger
+import org.apache.logging.log4j.{Level, LogManager, Marker}
+
+import scala.language.experimental.macros
+
+/**
+  * Factory for [[Logger]]s.
+  *
+  * The [[Logging]] trait provides a simple way to get a properly named logger 
into a class.
+  */
+object Logger {
+
+  final val FQCN = getClass.getName
+
+    /**
+    * Create a properly named [[Logger]] for a given class.
+    *
+    * @param clazz the class
+    */
+  def apply(clazz: Class[_]): Logger = 
Logger(LogManager.getContext(clazz.getClassLoader, 
false).getLogger(clazz.getName))
+
+  /**
+    * Create a [[Logger]] wrapping the given Log4j logger.
+    *
+    * @param delegate the Log4j logger to wrap
+    */
+  def apply(delegate: ExtendedLogger): Logger = new Logger(delegate)
+
+}
+
+/**
+  * Scala wrapper for the Log4j `Logger` interface.
+  *
+  * Frequently the purpose of logging is to provide information about what is 
happening in the system,
+  * which requires including information about the objects being manipulated. 
In Scala, you can use
+  * [[http://docs.scala-lang.org/overviews/core/string-interpolation.html 
string interpolation]]
+  * to achieve this:
+  *
+  * {{{
+  * logger.debug(s"Logging in user ${user.getName} with birthday 
${user.calcBirthday}")
+  * }}}
+  *
+  * Since this wrapper is implemented with macros, the String construction and 
method invocations
+  * will only occur when debug logging is enabled.
+  */
+class Logger private(val delegate: ExtendedLogger) extends AnyVal {
+
+  def fatal(marker: Marker, message: Message): Unit =
+  macro LoggerMacro.fatalMarkerMsg
+
+  def fatal(marker: Marker, message: CharSequence): Unit =
+  macro LoggerMacro.fatalMarkerCseq
+
+  def fatal(marker: Marker, message: AnyRef): Unit =
+  macro LoggerMacro.fatalMarkerObject
+
+  def fatal(marker: Marker, message: Message, cause: Throwable): Unit =
+  macro LoggerMacro.fatalMarkerMsgThrowable
+
+  def fatal(marker: Marker, message: CharSequence, cause: Throwable): Unit =
+  macro LoggerMacro.fatalMarkerCseqThrowable
+
+  def fatal(marker: Marker, message: AnyRef, cause: Throwable): Unit =
+  macro LoggerMacro.fatalMarkerObjectThrowable
+
+  def fatal(message: Message): Unit =
+  macro LoggerMacro.fatalMsg
+
+  def fatal(message: CharSequence): Unit =
+  macro LoggerMacro.fatalCseq
+
+  def fatal(message: AnyRef): Unit =
+  macro LoggerMacro.fatalObject
+
+  def fatal(message: Message, cause: Throwable): Unit =
+  macro LoggerMacro.fatalMsgThrowable
+
+  def fatal(message: CharSequence, cause: Throwable): Unit =
+  macro LoggerMacro.fatalCseqThrowable
+
+  def fatal(message: AnyRef, cause: Throwable): Unit =
+  macro LoggerMacro.fatalObjectThrowable
+
+
+  def error(marker: Marker, message: Message): Unit =
+  macro LoggerMacro.errorMarkerMsg
+
+  def error(marker: Marker, message: CharSequence): Unit =
+  macro LoggerMacro.errorMarkerCseq
+
+  def error(marker: Marker, message: AnyRef): Unit =
+  macro LoggerMacro.errorMarkerObject
+
+  def error(marker: Marker, message: Message, cause: Throwable): Unit =
+  macro LoggerMacro.errorMarkerMsgThrowable
+
+  def error(marker: Marker, message: CharSequence, cause: Throwable): Unit =
+  macro LoggerMacro.errorMarkerCseqThrowable
+
+  def error(marker: Marker, message: AnyRef, cause: Throwable): Unit =
+  macro LoggerMacro.errorMarkerObjectThrowable
+
+  def error(message: Message): Unit =
+  macro LoggerMacro.errorMsg
+
+  def error(message: CharSequence): Unit =
+  macro LoggerMacro.errorCseq
+
+  def error(message: AnyRef): Unit =
+  macro LoggerMacro.errorObject
+
+  def error(message: Message, cause: Throwable): Unit =
+  macro LoggerMacro.errorMsgThrowable
+
+  def error(message: CharSequence, cause: Throwable): Unit =
+  macro LoggerMacro.errorCseqThrowable
+
+  def error(message: AnyRef, cause: Throwable): Unit =
+  macro LoggerMacro.errorObjectThrowable
+
+
+  def warn(marker: Marker, message: Message): Unit =
+  macro LoggerMacro.warnMarkerMsg
+
+  def warn(marker: Marker, message: CharSequence): Unit =
+  macro LoggerMacro.warnMarkerCseq
+
+  def warn(marker: Marker, message: AnyRef): Unit =
+  macro LoggerMacro.warnMarkerObject
+
+  def warn(marker: Marker, message: Message, cause: Throwable): Unit =
+  macro LoggerMacro.warnMarkerMsgThrowable
+
+  def warn(marker: Marker, message: CharSequence, cause: Throwable): Unit =
+  macro LoggerMacro.warnMarkerCseqThrowable
+
+  def warn(marker: Marker, message: AnyRef, cause: Throwable): Unit =
+  macro LoggerMacro.warnMarkerObjectThrowable
+
+  def warn(message: Message): Unit =
+  macro LoggerMacro.warnMsg
+
+  def warn(message: CharSequence): Unit =
+  macro LoggerMacro.warnCseq
+
+  def warn(message: AnyRef): Unit =
+  macro LoggerMacro.warnObject
+
+  def warn(message: Message, cause: Throwable): Unit =
+  macro LoggerMacro.warnMsgThrowable
+
+  def warn(message: CharSequence, cause: Throwable): Unit =
+  macro LoggerMacro.warnCseqThrowable
+
+  def warn(message: AnyRef, cause: Throwable): Unit =
+  macro LoggerMacro.warnObjectThrowable
+
+
+  def info(marker: Marker, message: Message): Unit =
+  macro LoggerMacro.infoMarkerMsg
+
+  def info(marker: Marker, message: CharSequence): Unit =
+  macro LoggerMacro.infoMarkerCseq
+
+  def info(marker: Marker, message: AnyRef): Unit =
+  macro LoggerMacro.infoMarkerObject
+
+  def info(marker: Marker, message: Message, cause: Throwable): Unit =
+  macro LoggerMacro.infoMarkerMsgThrowable
+
+  def info(marker: Marker, message: CharSequence, cause: Throwable): Unit =
+  macro LoggerMacro.infoMarkerCseqThrowable
+
+  def info(marker: Marker, message: AnyRef, cause: Throwable): Unit =
+  macro LoggerMacro.infoMarkerObjectThrowable
+
+  def info(message: Message): Unit =
+  macro LoggerMacro.infoMsg
+
+  def info(message: CharSequence): Unit =
+  macro LoggerMacro.infoCseq
+
+  def info(message: AnyRef): Unit =
+  macro LoggerMacro.infoObject
+
+  def info(message: Message, cause: Throwable): Unit =
+  macro LoggerMacro.infoMsgThrowable
+
+  def info(message: CharSequence, cause: Throwable): Unit =
+  macro LoggerMacro.infoCseqThrowable
+
+  def info(message: AnyRef, cause: Throwable): Unit =
+  macro LoggerMacro.infoObjectThrowable
+
+
+  def debug(marker: Marker, message: Message): Unit =
+  macro LoggerMacro.debugMarkerMsg
+
+  def debug(marker: Marker, message: CharSequence): Unit =
+  macro LoggerMacro.debugMarkerCseq
+
+  def debug(marker: Marker, message: AnyRef): Unit =
+  macro LoggerMacro.debugMarkerObject
+
+  def debug(marker: Marker, message: Message, cause: Throwable): Unit =
+  macro LoggerMacro.debugMarkerMsgThrowable
+
+  def debug(marker: Marker, message: CharSequence, cause: Throwable): Unit =
+  macro LoggerMacro.debugMarkerCseqThrowable
+
+  def debug(marker: Marker, message: AnyRef, cause: Throwable): Unit =
+  macro LoggerMacro.debugMarkerObjectThrowable
+
+  def debug(message: Message): Unit =
+  macro LoggerMacro.debugMsg
+
+  def debug(message: CharSequence): Unit =
+  macro LoggerMacro.debugCseq
+
+  def debug(message: AnyRef): Unit =
+  macro LoggerMacro.debugObject
+
+  def debug(message: Message, cause: Throwable): Unit =
+  macro LoggerMacro.debugMsgThrowable
+
+  def debug(message: CharSequence, cause: Throwable): Unit =
+  macro LoggerMacro.debugCseqThrowable
+
+  def debug(message: AnyRef, cause: Throwable): Unit =
+  macro LoggerMacro.debugObjectThrowable
+
+
+  def trace(marker: Marker, message: Message): Unit =
+  macro LoggerMacro.traceMarkerMsg
+
+  def trace(marker: Marker, message: CharSequence): Unit =
+  macro LoggerMacro.traceMarkerCseq
+
+  def trace(marker: Marker, message: AnyRef): Unit =
+  macro LoggerMacro.traceMarkerObject
+
+  def trace(marker: Marker, message: Message, cause: Throwable): Unit =
+  macro LoggerMacro.traceMarkerMsgThrowable
+
+  def trace(marker: Marker, message: CharSequence, cause: Throwable): Unit =
+  macro LoggerMacro.traceMarkerCseqThrowable
+
+  def trace(marker: Marker, message: AnyRef, cause: Throwable): Unit =
+  macro LoggerMacro.traceMarkerObjectThrowable
+
+  def trace(message: Message): Unit =
+  macro LoggerMacro.traceMsg
+
+  def trace(message: CharSequence): Unit =
+  macro LoggerMacro.traceCseq
+
+  def trace(message: AnyRef): Unit =
+  macro LoggerMacro.traceObject
+
+  def trace(message: Message, cause: Throwable): Unit =
+  macro LoggerMacro.traceMsgThrowable
+
+  def trace(message: CharSequence, cause: Throwable): Unit =
+  macro LoggerMacro.traceCseqThrowable
+
+  def trace(message: AnyRef, cause: Throwable): Unit =
+  macro LoggerMacro.traceObjectThrowable
+
+
+  /**
+    * Logs a `Message` with the specific `Marker` at the given `Level`.
+    *
+    * @param level   the logging level
+    * @param marker  the marker data specific to this log statement
+    * @param message the message to be logged
+    */
+  def apply(level: Level, marker: Marker, message: Message): Unit =
+  macro LoggerMacro.logMarkerMsg
+
+  /**
+    * Logs a string with the specific `Marker` at the given `Level`.
+    *
+    * @param level   the logging level
+    * @param marker  the marker data specific to this log statement
+    * @param message the message to be logged
+    */
+  def apply(level: Level, marker: Marker, message: CharSequence): Unit =
+  macro LoggerMacro.logMarkerCseq
+
+  /**
+    * Logs an object with the specific `Marker` at the given `Level`.
+    *
+    * @param level   the logging level
+    * @param marker  the marker data specific to this log statement
+    * @param message the message to be logged
+    */
+  def apply(level: Level, marker: Marker, message: AnyRef): Unit =
+  macro LoggerMacro.logMarkerObject
+
+  /**
+    * Logs a `Message` with the specific `Marker` at the given `Level` 
including the stack trace
+    * of the given `Throwable`.
+    *
+    * @param level   the logging level
+    * @param marker  the marker data specific to this log statement
+    * @param message the message to be logged
+    * @param cause   the cause
+    */
+  def apply(level: Level, marker: Marker, message: Message, cause: Throwable): 
Unit =
+  macro LoggerMacro.logMarkerMsgThrowable
+
+  /**
+    * Logs a string with the specific `Marker` at the given `Level` including 
the stack trace
+    * of the given `Throwable`.
+    *
+    * @param level   the logging level
+    * @param marker  the marker data specific to this log statement
+    * @param message the message to be logged
+    * @param cause   the cause
+    */
+  def apply(level: Level, marker: Marker, message: CharSequence, cause: 
Throwable): Unit =
+  macro LoggerMacro.logMarkerCseqThrowable
+
+  /**
+    * Logs an object with the specific `Marker` at the given `Level` including 
the stack trace
+    * of the given `Throwable`.
+    *
+    * @param level   the logging level
+    * @param marker  the marker data specific to this log statement
+    * @param message the message to be logged
+    * @param cause   the cause
+    */
+  def apply(level: Level, marker: Marker, message: AnyRef, cause: Throwable): 
Unit =
+  macro LoggerMacro.logMarkerObjectThrowable
+
+  /**
+    * Logs a `Message` at the given `Level`.
+    *
+    * @param level   the logging level
+    * @param message the message to be logged
+    */
+  def apply(level: Level, message: Message): Unit =
+  macro LoggerMacro.logMsg
+
+  /**
+    * Logs a string at the given `Level`.
+    *
+    * @param level   the logging level
+    * @param message the message to be logged
+    */
+  def apply(level: Level, message: CharSequence): Unit =
+  macro LoggerMacro.logCseq
+
+  /**
+    * Logs an object at the given `Level`.
+    *
+    * @param level   the logging level
+    * @param message the message to be logged
+    */
+  def apply(level: Level, message: AnyRef): Unit =
+  macro LoggerMacro.logObject
+
+  /**
+    * Logs a `Message` at the given `Level` including the stack trace of the 
given `Throwable`.
+    *
+    * @param level   the logging level
+    * @param message the message to be logged
+    * @param cause   a `Throwable`
+    */
+  def apply(level: Level, message: Message, cause: Throwable): Unit =
+  macro LoggerMacro.logMsgThrowable
+
+  /**
+    * Logs a string at the given `Level` including the stack trace of the 
given `Throwable`.
+    *
+    * @param level   the logging level
+    * @param message the message to be logged
+    * @param cause   a `Throwable`
+    */
+  def apply(level: Level, message: CharSequence, cause: Throwable): Unit =
+  macro LoggerMacro.logCseqThrowable
+
+  /**
+    * Logs an object at the given `Level` including the stack trace of the 
given `Throwable`.
+    *
+    * @param level   the logging level
+    * @param message the message to be logged
+    * @param cause   a `Throwable`
+    */
+  def apply(level: Level, message: AnyRef, cause: Throwable): Unit =
+  macro LoggerMacro.logObjectThrowable
+
+
+  /**
+    * Logs entry to a method. Used when the method in question has no 
parameters or when the parameters should not be
+    * logged.
+    *
+    * @return The built `EntryMessage`
+    */
+  def traceEntry(): EntryMessage =
+  macro LoggerMacro.traceEntry
+
+  /**
+    * Logs entry to a method along with its parameters.
+    *
+    * {{{
+    * def doSomething(foo: String, bar: Int): Unit = {
+    *   logger.traceEntry(foo, bar)
+    *   // do something
+    * }
+    * }}}
+    *
+    * @param params the parameters to the method.
+    * @return The built `EntryMessage`
+    */
+  def traceEntry(params: AnyRef*): EntryMessage =
+  macro LoggerMacro.traceEntryParams
+
+  /**
+    * Logs entry to a method using a `Message` to describe the parameters.
+    *
+    * {{{
+    * def doSomething(foo: Request): Unit = {
+    *   logger.traceEntry(JsonMessage(foo))
+    *   // do something
+    * }
+    * }}}
+    *
+    * @param message the message
+    * @return The built `EntryMessage`
+    */
+  def traceEntry(message: Message): EntryMessage =
+  macro LoggerMacro.traceEntryMessage
+
+  /**
+    * Logs exit from a method with no result.
+    */
+  def traceExit(): Unit =
+  macro LoggerMacro.traceExit
+
+  /**
+    * Logs exiting from a method with result.
+    *
+    * @param result The result being returned from the method call
+    * @return `result`
+    */
+  def traceExit[R](result: R): R =
+  macro LoggerMacro.traceExitResult[R]
+
+  /**
+    * Logs exiting from a method with no result.
+    *
+    * @param entryMessage the `EntryMessage` returned from one of the 
`traceEntry` methods
+    */
+  def traceExit(entryMessage: EntryMessage): Unit =
+  macro LoggerMacro.traceExitEntryMessage
+
+  /**
+    * Logs exiting from a method with result.
+    *
+    * {{{
+    * def doSomething(foo: String, bar: Int): Int = {
+    *   val entryMessage = logger.traceEntry(foo, bar)
+    *   // do something
+    *   traceExit(entryMessage, value)
+    * }
+    * }}}
+    *
+    * @param entryMessage the `EntryMessage` returned from one of the 
`traceEntry` methods
+    * @param result       The result being returned from the method call
+    * @return `result`
+    */
+  def traceExit[R](entryMessage: EntryMessage, result: R): R =
+  macro LoggerMacro.traceExitEntryMessageResult[R]
+
+  /**
+    * Logs exiting from a method with result. Allows custom formatting of the 
result.
+    *
+    * @param message the Message containing the formatted result
+    * @param result  The result being returned from the method call.
+    * @return `result`
+    */
+  def traceExit[R](message: Message, result: R): R =
+  macro LoggerMacro.traceExitMessageResult[R]
+
+  /**
+    * Logs an exception or error to be thrown.
+    *
+    * {{{
+    *   throw logger.throwing(myException)
+    * }}}
+    *
+    * @param t the Throwable
+    * @return `t`
+    */
+  def throwing[T <: Throwable](t: T): T =
+  macro LoggerMacro.throwing[T]
+
+  /**
+    * Logs an exception or error to be thrown to a specific logging level.
+    *
+    * {{{
+    *   throw logger.throwing(Level.DEBUG, myException)
+    * }}}
+    *
+    * @param level the logging Level.
+    * @param t     the Throwable
+    * @return `t`
+    */
+  def throwing[T <: Throwable](level: Level, t: T): T =
+  macro LoggerMacro.throwingLevel[T]
+
+  /**
+    * Logs an exception or error that has been caught.
+    *
+    * @param t the Throwable.
+    */
+  def catching(t: Throwable): Unit =
+  macro LoggerMacro.catching
+
+  /**
+    * Logs an exception or error that has been caught to a specific logging 
level.
+    *
+    * @param level The logging Level.
+    * @param t     The Throwable.
+    */
+  def catching(level: Level, t: Throwable): Unit =
+  macro LoggerMacro.catchingLevel
+
+
+  /** Always logs a message at the specified level. It is the responsibility 
of the caller to ensure the specified
+    * level is enabled.
+    *
+    * Should normally not be used directly from application code, but needs to 
be public for access by macros.
+    *
+    * @param level   log level
+    * @param marker  marker or `null`
+    * @param message message
+    * @param cause   cause or `null`
+    */
+  def logMessage(level: Level, marker: Marker, message: Message, cause: 
Throwable): Unit = {
+    delegate.logMessage(Logger.FQCN, level, marker, message, cause)
+  }
+
+  /** Always logs a message at the specified level. It is the responsibility 
of the caller to ensure the specified
+    * level is enabled.
+    *
+    * Should normally not be used directly from application code, but needs to 
be public for access by macros.
+    *
+    * @param level   log level
+    * @param marker  marker or `null`
+    * @param message message
+    * @param cause   cause or `null`
+    */
+  def logMessage(level: Level, marker: Marker, message: CharSequence, cause: 
Throwable): Unit = {
+    delegate.logMessage(Logger.FQCN, level, marker, 
delegate.getMessageFactory.asInstanceOf[MessageFactory2].newMessage(message), 
cause)
+  }
+
+  /** Always logs a message at the specified level. It is the responsibility 
of the caller to ensure the specified
+    * level is enabled.
+    *
+    * Should normally not be used directly from application code, but needs to 
be public for access by macros.
+    *
+    * @param level   log level
+    * @param marker  marker or `null`
+    * @param message message
+    * @param cause   cause or `null`
+    */
+  def logMessage(level: Level, marker: Marker, message: AnyRef, cause: 
Throwable): Unit = {
+    delegate.logMessage(Logger.FQCN, level, marker, 
delegate.getMessageFactory.asInstanceOf[MessageFactory2].newMessage(message), 
cause)
+  }
+
+}

http://git-wip-us.apache.org/repos/asf/logging-log4j-scala/blob/184045cb/log4j-api-scala_2.13/src/main/scala/org/apache/logging/log4j/scala/LoggerMacro.scala
----------------------------------------------------------------------
diff --git 
a/log4j-api-scala_2.13/src/main/scala/org/apache/logging/log4j/scala/LoggerMacro.scala
 
b/log4j-api-scala_2.13/src/main/scala/org/apache/logging/log4j/scala/LoggerMacro.scala
new file mode 100644
index 0000000..3b54db1
--- /dev/null
+++ 
b/log4j-api-scala_2.13/src/main/scala/org/apache/logging/log4j/scala/LoggerMacro.scala
@@ -0,0 +1,425 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements. See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache license, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the license for the specific language governing permissions and
+ * limitations under the license.
+ */
+package org.apache.logging.log4j.scala
+
+import org.apache.logging.log4j.message.{EntryMessage, Message}
+import org.apache.logging.log4j.spi.AbstractLogger
+import org.apache.logging.log4j.{Level, Marker}
+
+import scala.language.experimental.macros
+import scala.reflect.macros.blackbox
+
+/**
+  * Inspired from [[https://github.com/typesafehub/scalalogging ScalaLogging]].
+  */
+private object LoggerMacro {
+
+  type LoggerContext = blackbox.Context { type PrefixType = Logger }
+
+
+  def fatalMarkerMsg(c: LoggerContext)(marker: c.Expr[Marker], message: 
c.Expr[Message]) =
+    logMarkerMsg(c)(c.universe.reify(Level.FATAL), marker, message)
+
+  def fatalMarkerCseq(c: LoggerContext)(marker: c.Expr[Marker], message: 
c.Expr[CharSequence]) =
+    logMarkerCseq(c)(c.universe.reify(Level.FATAL), marker, message)
+
+  def fatalMarkerObject(c: LoggerContext)(marker: c.Expr[Marker], message: 
c.Expr[AnyRef]) =
+    logMarkerObject(c)(c.universe.reify(Level.FATAL), marker, message)
+
+  def fatalMarkerMsgThrowable(c: LoggerContext)(marker: c.Expr[Marker], 
message: c.Expr[Message], cause: c.Expr[Throwable]) =
+    logMarkerMsgThrowable(c)(c.universe.reify(Level.FATAL), marker, message, 
cause)
+
+  def fatalMarkerCseqThrowable(c: LoggerContext)(marker: c.Expr[Marker], 
message: c.Expr[CharSequence], cause: c.Expr[Throwable]) =
+    logMarkerCseqThrowable(c)(c.universe.reify(Level.FATAL), marker, message, 
cause)
+
+  def fatalMarkerObjectThrowable(c: LoggerContext)(marker: c.Expr[Marker], 
message: c.Expr[AnyRef], cause: c.Expr[Throwable]) =
+    logMarkerObjectThrowable(c)(c.universe.reify(Level.FATAL), marker, 
message, cause)
+
+  def fatalMsg(c: LoggerContext)(message: c.Expr[Message]) =
+    logMsg(c)(c.universe.reify(Level.FATAL), message)
+
+  def fatalCseq(c: LoggerContext)(message: c.Expr[CharSequence]) =
+    logCseq(c)(c.universe.reify(Level.FATAL), message)
+
+  def fatalObject(c: LoggerContext)(message: c.Expr[AnyRef]) =
+    logObject(c)(c.universe.reify(Level.FATAL), message)
+
+  def fatalMsgThrowable(c: LoggerContext)(message: c.Expr[Message], cause: 
c.Expr[Throwable]) =
+    logMsgThrowable(c)(c.universe.reify(Level.FATAL), message, cause)
+
+  def fatalCseqThrowable(c: LoggerContext)(message: c.Expr[CharSequence], 
cause: c.Expr[Throwable]) =
+    logCseqThrowable(c)(c.universe.reify(Level.FATAL), message, cause)
+
+  def fatalObjectThrowable(c: LoggerContext)(message: c.Expr[AnyRef], cause: 
c.Expr[Throwable]) =
+    logObjectThrowable(c)(c.universe.reify(Level.FATAL), message, cause)
+
+
+  def errorMarkerMsg(c: LoggerContext)(marker: c.Expr[Marker], message: 
c.Expr[Message]) =
+    logMarkerMsg(c)(c.universe.reify(Level.ERROR), marker, message)
+
+  def errorMarkerCseq(c: LoggerContext)(marker: c.Expr[Marker], message: 
c.Expr[CharSequence]) =
+    logMarkerCseq(c)(c.universe.reify(Level.ERROR), marker, message)
+
+  def errorMarkerObject(c: LoggerContext)(marker: c.Expr[Marker], message: 
c.Expr[AnyRef]) =
+    logMarkerObject(c)(c.universe.reify(Level.ERROR), marker, message)
+
+  def errorMarkerMsgThrowable(c: LoggerContext)(marker: c.Expr[Marker], 
message: c.Expr[Message], cause: c.Expr[Throwable]) =
+    logMarkerMsgThrowable(c)(c.universe.reify(Level.ERROR), marker, message, 
cause)
+
+  def errorMarkerCseqThrowable(c: LoggerContext)(marker: c.Expr[Marker], 
message: c.Expr[CharSequence], cause: c.Expr[Throwable]) =
+    logMarkerCseqThrowable(c)(c.universe.reify(Level.ERROR), marker, message, 
cause)
+
+  def errorMarkerObjectThrowable(c: LoggerContext)(marker: c.Expr[Marker], 
message: c.Expr[AnyRef], cause: c.Expr[Throwable]) =
+    logMarkerObjectThrowable(c)(c.universe.reify(Level.ERROR), marker, 
message, cause)
+
+  def errorMsg(c: LoggerContext)(message: c.Expr[Message]) =
+    logMsg(c)(c.universe.reify(Level.ERROR), message)
+
+  def errorCseq(c: LoggerContext)(message: c.Expr[CharSequence]) =
+    logCseq(c)(c.universe.reify(Level.ERROR), message)
+
+  def errorObject(c: LoggerContext)(message: c.Expr[AnyRef]) =
+    logObject(c)(c.universe.reify(Level.ERROR), message)
+
+  def errorMsgThrowable(c: LoggerContext)(message: c.Expr[Message], cause: 
c.Expr[Throwable]) =
+    logMsgThrowable(c)(c.universe.reify(Level.ERROR), message, cause)
+
+  def errorCseqThrowable(c: LoggerContext)(message: c.Expr[CharSequence], 
cause: c.Expr[Throwable]) =
+    logCseqThrowable(c)(c.universe.reify(Level.ERROR), message, cause)
+
+  def errorObjectThrowable(c: LoggerContext)(message: c.Expr[AnyRef], cause: 
c.Expr[Throwable]) =
+    logObjectThrowable(c)(c.universe.reify(Level.ERROR), message, cause)
+
+
+  def warnMarkerMsg(c: LoggerContext)(marker: c.Expr[Marker], message: 
c.Expr[Message]) =
+    logMarkerMsg(c)(c.universe.reify(Level.WARN), marker, message)
+
+  def warnMarkerCseq(c: LoggerContext)(marker: c.Expr[Marker], message: 
c.Expr[CharSequence]) =
+    logMarkerCseq(c)(c.universe.reify(Level.WARN), marker, message)
+
+  def warnMarkerObject(c: LoggerContext)(marker: c.Expr[Marker], message: 
c.Expr[AnyRef]) =
+    logMarkerObject(c)(c.universe.reify(Level.WARN), marker, message)
+
+  def warnMarkerMsgThrowable(c: LoggerContext)(marker: c.Expr[Marker], 
message: c.Expr[Message], cause: c.Expr[Throwable]) =
+    logMarkerMsgThrowable(c)(c.universe.reify(Level.WARN), marker, message, 
cause)
+
+  def warnMarkerCseqThrowable(c: LoggerContext)(marker: c.Expr[Marker], 
message: c.Expr[CharSequence], cause: c.Expr[Throwable]) =
+    logMarkerCseqThrowable(c)(c.universe.reify(Level.WARN), marker, message, 
cause)
+
+  def warnMarkerObjectThrowable(c: LoggerContext)(marker: c.Expr[Marker], 
message: c.Expr[AnyRef], cause: c.Expr[Throwable]) =
+    logMarkerObjectThrowable(c)(c.universe.reify(Level.WARN), marker, message, 
cause)
+
+  def warnMsg(c: LoggerContext)(message: c.Expr[Message]) =
+    logMsg(c)(c.universe.reify(Level.WARN), message)
+
+  def warnCseq(c: LoggerContext)(message: c.Expr[CharSequence]) =
+    logCseq(c)(c.universe.reify(Level.WARN), message)
+
+  def warnObject(c: LoggerContext)(message: c.Expr[AnyRef]) =
+    logObject(c)(c.universe.reify(Level.WARN), message)
+
+  def warnMsgThrowable(c: LoggerContext)(message: c.Expr[Message], cause: 
c.Expr[Throwable]) =
+    logMsgThrowable(c)(c.universe.reify(Level.WARN), message, cause)
+
+  def warnCseqThrowable(c: LoggerContext)(message: c.Expr[CharSequence], 
cause: c.Expr[Throwable]) =
+    logCseqThrowable(c)(c.universe.reify(Level.WARN), message, cause)
+
+  def warnObjectThrowable(c: LoggerContext)(message: c.Expr[AnyRef], cause: 
c.Expr[Throwable]) =
+    logObjectThrowable(c)(c.universe.reify(Level.WARN), message, cause)
+
+
+  def infoMarkerMsg(c: LoggerContext)(marker: c.Expr[Marker], message: 
c.Expr[Message]) =
+    logMarkerMsg(c)(c.universe.reify(Level.INFO), marker, message)
+
+  def infoMarkerCseq(c: LoggerContext)(marker: c.Expr[Marker], message: 
c.Expr[CharSequence]) =
+    logMarkerCseq(c)(c.universe.reify(Level.INFO), marker, message)
+
+  def infoMarkerObject(c: LoggerContext)(marker: c.Expr[Marker], message: 
c.Expr[AnyRef]) =
+    logMarkerObject(c)(c.universe.reify(Level.INFO), marker, message)
+
+  def infoMarkerMsgThrowable(c: LoggerContext)(marker: c.Expr[Marker], 
message: c.Expr[Message], cause: c.Expr[Throwable]) =
+    logMarkerMsgThrowable(c)(c.universe.reify(Level.INFO), marker, message, 
cause)
+
+  def infoMarkerCseqThrowable(c: LoggerContext)(marker: c.Expr[Marker], 
message: c.Expr[CharSequence], cause: c.Expr[Throwable]) =
+    logMarkerCseqThrowable(c)(c.universe.reify(Level.INFO), marker, message, 
cause)
+
+  def infoMarkerObjectThrowable(c: LoggerContext)(marker: c.Expr[Marker], 
message: c.Expr[AnyRef], cause: c.Expr[Throwable]) =
+    logMarkerObjectThrowable(c)(c.universe.reify(Level.INFO), marker, message, 
cause)
+
+  def infoMsg(c: LoggerContext)(message: c.Expr[Message]) =
+    logMsg(c)(c.universe.reify(Level.INFO), message)
+
+  def infoCseq(c: LoggerContext)(message: c.Expr[CharSequence]) =
+    logCseq(c)(c.universe.reify(Level.INFO), message)
+
+  def infoObject(c: LoggerContext)(message: c.Expr[AnyRef]) =
+    logObject(c)(c.universe.reify(Level.INFO), message)
+
+  def infoMsgThrowable(c: LoggerContext)(message: c.Expr[Message], cause: 
c.Expr[Throwable]) =
+    logMsgThrowable(c)(c.universe.reify(Level.INFO), message, cause)
+
+  def infoCseqThrowable(c: LoggerContext)(message: c.Expr[CharSequence], 
cause: c.Expr[Throwable]) =
+    logCseqThrowable(c)(c.universe.reify(Level.INFO), message, cause)
+
+  def infoObjectThrowable(c: LoggerContext)(message: c.Expr[AnyRef], cause: 
c.Expr[Throwable]) =
+    logObjectThrowable(c)(c.universe.reify(Level.INFO), message, cause)
+
+
+  def debugMarkerMsg(c: LoggerContext)(marker: c.Expr[Marker], message: 
c.Expr[Message]) =
+    logMarkerMsg(c)(c.universe.reify(Level.DEBUG), marker, message)
+
+  def debugMarkerCseq(c: LoggerContext)(marker: c.Expr[Marker], message: 
c.Expr[CharSequence]) =
+    logMarkerCseq(c)(c.universe.reify(Level.DEBUG), marker, message)
+
+  def debugMarkerObject(c: LoggerContext)(marker: c.Expr[Marker], message: 
c.Expr[AnyRef]) =
+    logMarkerObject(c)(c.universe.reify(Level.DEBUG), marker, message)
+
+  def debugMarkerMsgThrowable(c: LoggerContext)(marker: c.Expr[Marker], 
message: c.Expr[Message], cause: c.Expr[Throwable]) =
+    logMarkerMsgThrowable(c)(c.universe.reify(Level.DEBUG), marker, message, 
cause)
+
+  def debugMarkerCseqThrowable(c: LoggerContext)(marker: c.Expr[Marker], 
message: c.Expr[CharSequence], cause: c.Expr[Throwable]) =
+    logMarkerCseqThrowable(c)(c.universe.reify(Level.DEBUG), marker, message, 
cause)
+
+  def debugMarkerObjectThrowable(c: LoggerContext)(marker: c.Expr[Marker], 
message: c.Expr[AnyRef], cause: c.Expr[Throwable]) =
+    logMarkerObjectThrowable(c)(c.universe.reify(Level.DEBUG), marker, 
message, cause)
+
+  def debugMsg(c: LoggerContext)(message: c.Expr[Message]) =
+    logMsg(c)(c.universe.reify(Level.DEBUG), message)
+
+  def debugCseq(c: LoggerContext)(message: c.Expr[CharSequence]) =
+    logCseq(c)(c.universe.reify(Level.DEBUG), message)
+
+  def debugObject(c: LoggerContext)(message: c.Expr[AnyRef]) =
+    logObject(c)(c.universe.reify(Level.DEBUG), message)
+
+  def debugMsgThrowable(c: LoggerContext)(message: c.Expr[Message], cause: 
c.Expr[Throwable]) =
+    logMsgThrowable(c)(c.universe.reify(Level.DEBUG), message, cause)
+
+  def debugCseqThrowable(c: LoggerContext)(message: c.Expr[CharSequence], 
cause: c.Expr[Throwable]) =
+    logCseqThrowable(c)(c.universe.reify(Level.DEBUG), message, cause)
+
+  def debugObjectThrowable(c: LoggerContext)(message: c.Expr[AnyRef], cause: 
c.Expr[Throwable]) =
+    logObjectThrowable(c)(c.universe.reify(Level.DEBUG), message, cause)
+
+
+  def traceMarkerMsg(c: LoggerContext)(marker: c.Expr[Marker], message: 
c.Expr[Message]) =
+    logMarkerMsg(c)(c.universe.reify(Level.TRACE), marker, message)
+
+  def traceMarkerCseq(c: LoggerContext)(marker: c.Expr[Marker], message: 
c.Expr[CharSequence]) =
+    logMarkerCseq(c)(c.universe.reify(Level.TRACE), marker, message)
+
+  def traceMarkerObject(c: LoggerContext)(marker: c.Expr[Marker], message: 
c.Expr[AnyRef]) =
+    logMarkerObject(c)(c.universe.reify(Level.TRACE), marker, message)
+
+  def traceMarkerMsgThrowable(c: LoggerContext)(marker: c.Expr[Marker], 
message: c.Expr[Message], cause: c.Expr[Throwable]) =
+    logMarkerMsgThrowable(c)(c.universe.reify(Level.TRACE), marker, message, 
cause)
+
+  def traceMarkerCseqThrowable(c: LoggerContext)(marker: c.Expr[Marker], 
message: c.Expr[CharSequence], cause: c.Expr[Throwable]) =
+    logMarkerCseqThrowable(c)(c.universe.reify(Level.TRACE), marker, message, 
cause)
+
+  def traceMarkerObjectThrowable(c: LoggerContext)(marker: c.Expr[Marker], 
message: c.Expr[AnyRef], cause: c.Expr[Throwable]) =
+    logMarkerObjectThrowable(c)(c.universe.reify(Level.TRACE), marker, 
message, cause)
+
+  def traceMsg(c: LoggerContext)(message: c.Expr[Message]) =
+    logMsg(c)(c.universe.reify(Level.TRACE), message)
+
+  def traceCseq(c: LoggerContext)(message: c.Expr[CharSequence]) =
+    logCseq(c)(c.universe.reify(Level.TRACE), message)
+
+  def traceObject(c: LoggerContext)(message: c.Expr[AnyRef]) =
+    logObject(c)(c.universe.reify(Level.TRACE), message)
+
+  def traceMsgThrowable(c: LoggerContext)(message: c.Expr[Message], cause: 
c.Expr[Throwable]) =
+    logMsgThrowable(c)(c.universe.reify(Level.TRACE), message, cause)
+
+  def traceCseqThrowable(c: LoggerContext)(message: c.Expr[CharSequence], 
cause: c.Expr[Throwable]) =
+    logCseqThrowable(c)(c.universe.reify(Level.TRACE), message, cause)
+
+  def traceObjectThrowable(c: LoggerContext)(message: c.Expr[AnyRef], cause: 
c.Expr[Throwable]) =
+    logObjectThrowable(c)(c.universe.reify(Level.TRACE), message, cause)
+
+
+  def logMarkerMsg(c: LoggerContext)(level: c.Expr[Level], marker: 
c.Expr[Marker], message: c.Expr[Message]) =
+    c.universe.reify(
+      if (c.prefix.splice.delegate.isEnabled(level.splice, marker.splice)) {
+        c.prefix.splice.logMessage(level.splice, marker.splice, 
message.splice, null)
+      }
+    )
+
+  def logMarkerCseq(c: LoggerContext)(level: c.Expr[Level], marker: 
c.Expr[Marker], message: c.Expr[CharSequence]) =
+    c.universe.reify(
+      if (c.prefix.splice.delegate.isEnabled(level.splice, marker.splice)) {
+        c.prefix.splice.logMessage(level.splice, marker.splice, 
message.splice, null)
+      }
+    )
+
+  def logMarkerObject(c: LoggerContext)(level: c.Expr[Level], marker: 
c.Expr[Marker], message: c.Expr[AnyRef]) =
+    c.universe.reify(
+      if (c.prefix.splice.delegate.isEnabled(level.splice, marker.splice)) {
+        c.prefix.splice.logMessage(level.splice, marker.splice, 
message.splice, null)
+      }
+    )
+
+  def logMarkerMsgThrowable(c: LoggerContext)(level: c.Expr[Level], marker: 
c.Expr[Marker], message: c.Expr[Message], cause: c.Expr[Throwable]) =
+    c.universe.reify(
+      if (c.prefix.splice.delegate.isEnabled(level.splice, marker.splice)) {
+        c.prefix.splice.logMessage(level.splice, marker.splice, 
message.splice, cause.splice)
+      }
+    )
+
+  def logMarkerCseqThrowable(c: LoggerContext)(level: c.Expr[Level], marker: 
c.Expr[Marker], message: c.Expr[CharSequence], cause: c.Expr[Throwable]) =
+    c.universe.reify(
+      if (c.prefix.splice.delegate.isEnabled(level.splice, marker.splice)) {
+        c.prefix.splice.logMessage(level.splice, marker.splice, 
message.splice, cause.splice)
+      }
+    )
+
+  def logMarkerObjectThrowable(c: LoggerContext)(level: c.Expr[Level], marker: 
c.Expr[Marker], message: c.Expr[AnyRef], cause: c.Expr[Throwable]) =
+    c.universe.reify(
+      if (c.prefix.splice.delegate.isEnabled(level.splice, marker.splice)) {
+        c.prefix.splice.logMessage(level.splice, marker.splice, 
message.splice, cause.splice)
+      }
+    )
+
+  def logMsg(c: LoggerContext)(level: c.Expr[Level], message: c.Expr[Message]) 
=
+    c.universe.reify(
+      if (c.prefix.splice.delegate.isEnabled(level.splice)) {
+        c.prefix.splice.logMessage(level.splice, null, message.splice, null)
+      }
+    )
+
+  def logCseq(c: LoggerContext)(level: c.Expr[Level], message: 
c.Expr[CharSequence]) =
+    c.universe.reify(
+      if (c.prefix.splice.delegate.isEnabled(level.splice)) {
+        c.prefix.splice.logMessage(level.splice, null, message.splice, null)
+      }
+    )
+
+  def logObject(c: LoggerContext)(level: c.Expr[Level], message: 
c.Expr[AnyRef]) =
+    c.universe.reify(
+      if (c.prefix.splice.delegate.isEnabled(level.splice)) {
+        c.prefix.splice.logMessage(level.splice, null, message.splice, null)
+      }
+    )
+
+  def logMsgThrowable(c: LoggerContext)(level: c.Expr[Level], message: 
c.Expr[Message], cause: c.Expr[Throwable]) =
+    c.universe.reify(
+      if (c.prefix.splice.delegate.isEnabled(level.splice)) {
+        c.prefix.splice.logMessage(level.splice, null, message.splice, 
cause.splice)
+      }
+    )
+
+  def logCseqThrowable(c: LoggerContext)(level: c.Expr[Level], message: 
c.Expr[CharSequence], cause: c.Expr[Throwable]) =
+    c.universe.reify(
+      if (c.prefix.splice.delegate.isEnabled(level.splice)) {
+        c.prefix.splice.logMessage(level.splice, null, message.splice, 
cause.splice)
+      }
+    )
+
+  def logObjectThrowable(c: LoggerContext)(level: c.Expr[Level], message: 
c.Expr[AnyRef], cause: c.Expr[Throwable]) =
+    c.universe.reify(
+      if (c.prefix.splice.delegate.isEnabled(level.splice)) {
+        c.prefix.splice.logMessage(level.splice, null, message.splice, 
cause.splice)
+      }
+    )
+
+
+  def traceEntry(c: LoggerContext)(): c.Expr[EntryMessage] =
+    c.universe.reify(
+      c.prefix.splice.delegate.traceEntry()
+    )
+
+  def traceEntryParams(c: LoggerContext)(params: c.Expr[AnyRef]*): 
c.Expr[EntryMessage] = {
+    import c.universe._
+    val isEnabled = Apply(
+      Select(Select(c.prefix.tree, TermName("delegate")), 
TermName("isEnabled")),
+      List(
+        reify(Level.TRACE).tree,
+        reify(AbstractLogger.ENTRY_MARKER).tree,
+        reify(null: AnyRef).tree,
+        reify(null).tree
+      )
+    )
+
+    val log = Apply(
+      Select(Select(c.prefix.tree, TermName("delegate")), 
TermName("traceEntry")),
+      reify(null: String).tree :: (params map (_.tree)).toList
+    )
+    c.Expr[EntryMessage](If(isEnabled, log, reify(null).tree))
+  }
+
+
+  def traceEntryMessage(c: LoggerContext)(message: c.Expr[Message]): 
c.Expr[EntryMessage] =
+    c.universe.reify(
+      if (c.prefix.splice.delegate.isEnabled(Level.TRACE, 
AbstractLogger.ENTRY_MARKER, null: AnyRef, null)) {
+        c.prefix.splice.delegate.traceEntry(message.splice)  // TODO should 
not do ifEnabled check
+      } else {
+        null
+      }
+    )
+
+  def traceExit(c: LoggerContext)(): c.Expr[Unit] =
+    c.universe.reify(
+      c.prefix.splice.delegate.traceExit()
+    )
+
+  def traceExitResult[R: c.WeakTypeTag](c: LoggerContext)(result: c.Expr[R]): 
c.Expr[R] =
+    c.universe.reify(
+      c.prefix.splice.delegate.traceExit(result.splice)
+    )
+
+  def traceExitEntryMessage(c: LoggerContext)(entryMessage: 
c.Expr[EntryMessage]): c.Expr[Unit] =
+    c.universe.reify(
+      c.prefix.splice.delegate.traceExit(entryMessage.splice)
+    )
+
+  def traceExitEntryMessageResult[R: c.WeakTypeTag](c: 
LoggerContext)(entryMessage: c.Expr[EntryMessage], result: c.Expr[R]): 
c.Expr[R] =
+    c.universe.reify(
+      c.prefix.splice.delegate.traceExit(entryMessage.splice, result.splice)
+    )
+
+  def traceExitMessageResult[R: c.WeakTypeTag](c: LoggerContext)(message: 
c.Expr[Message], result: c.Expr[R]): c.Expr[R] =
+    c.universe.reify(
+      {
+        if (message.splice != null && 
c.prefix.splice.delegate.isEnabled(Level.TRACE, AbstractLogger.EXIT_MARKER, 
message.splice, null)) {
+          c.prefix.splice.delegate.traceExit(message.splice, result.splice)  
// TODO should not do ifEnabled check
+        }
+        result.splice
+      }
+    )
+
+  def throwing[T <: Throwable: c.WeakTypeTag](c: LoggerContext)(t: c.Expr[T]): 
c.Expr[T] =
+    c.universe.reify(
+      c.prefix.splice.delegate.throwing(t.splice)
+    )
+
+  def throwingLevel[T <: Throwable: c.WeakTypeTag](c: LoggerContext)(level: 
c.Expr[Level], t: c.Expr[T]): c.Expr[T] =
+    c.universe.reify(
+      c.prefix.splice.delegate.throwing(level.splice, t.splice)
+    )
+
+  def catching(c: LoggerContext)(t: c.Expr[Throwable]): c.Expr[Unit] =
+    c.universe.reify(
+      c.prefix.splice.delegate.catching(t.splice)
+    )
+
+  def catchingLevel(c: LoggerContext)(level: c.Expr[Level], t: 
c.Expr[Throwable]): c.Expr[Unit] =
+    c.universe.reify(
+      c.prefix.splice.delegate.catching(level.splice, t.splice)
+    )
+
+}

http://git-wip-us.apache.org/repos/asf/logging-log4j-scala/blob/184045cb/log4j-api-scala_2.13/src/main/scala/org/apache/logging/log4j/scala/Logging.scala
----------------------------------------------------------------------
diff --git 
a/log4j-api-scala_2.13/src/main/scala/org/apache/logging/log4j/scala/Logging.scala
 
b/log4j-api-scala_2.13/src/main/scala/org/apache/logging/log4j/scala/Logging.scala
new file mode 100644
index 0000000..b017de7
--- /dev/null
+++ 
b/log4j-api-scala_2.13/src/main/scala/org/apache/logging/log4j/scala/Logging.scala
@@ -0,0 +1,30 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements. See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache license, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the license for the specific language governing permissions and
+ * limitations under the license.
+ */
+package org.apache.logging.log4j.scala
+
+/**
+  * Mix in this trait into classes from which you want to log,
+  * give you a `logger` value with a [[Logger]] named according to the class.
+  */
+trait Logging {
+
+  /**
+    * A [[Logger]] named according to the class.
+    */
+  protected val logger: Logger = Logger(getClass)
+
+}
\ No newline at end of file

http://git-wip-us.apache.org/repos/asf/logging-log4j-scala/blob/184045cb/log4j-api-scala_2.13/src/main/scala/org/apache/logging/log4j/scala/LoggingContext.scala
----------------------------------------------------------------------
diff --git 
a/log4j-api-scala_2.13/src/main/scala/org/apache/logging/log4j/scala/LoggingContext.scala
 
b/log4j-api-scala_2.13/src/main/scala/org/apache/logging/log4j/scala/LoggingContext.scala
new file mode 100644
index 0000000..79efecc
--- /dev/null
+++ 
b/log4j-api-scala_2.13/src/main/scala/org/apache/logging/log4j/scala/LoggingContext.scala
@@ -0,0 +1,84 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements. See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache license, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the license for the specific language governing permissions and
+ * limitations under the license.
+ */
+package org.apache.logging.log4j.scala
+
+import org.apache.logging.log4j.ThreadContext
+
+import scala.collection.JavaConverters._
+import scala.collection.{immutable, mutable}
+
+/** Manages the context data (context map, MDC) that is added to log events.
+  *
+  * A wrapper around `org.apache.logging.log4j.ThreadContext`.
+  */
+object LoggingContext extends mutable.Map[String, String] {
+
+  override def +=(kv: (String, String)): LoggingContext.this.type = {
+    ThreadContext.put(kv._1, kv._2)
+    this
+  }
+
+  override def +=(elem1: (String, String), elem2: (String, String), elems: 
(String, String)*): LoggingContext.this.type = {
+    val builder = immutable.Map.newBuilder[String,String]
+    builder += elem1
+    builder += elem2
+    builder ++= elems
+    ThreadContext.putAll(builder.result.asJava)
+    this
+  }
+
+  override def ++=(xs: TraversableOnce[(String, String)]): 
LoggingContext.this.type = {
+    ThreadContext.putAll(xs.toMap.asJava)
+    this
+  }
+
+  override def -=(key: String): LoggingContext.this.type = {
+    ThreadContext.remove(key)
+    this
+  }
+
+  override def -=(elem1: String, elem2: String, elems: String*): 
LoggingContext.this.type = {
+    val builder = immutable.Seq.newBuilder[String]
+    builder += elem1
+    builder += elem2
+    builder ++= elems
+    ThreadContext.removeAll(builder.result.asJava)
+    this
+  }
+
+  override def --=(xs: TraversableOnce[String]): LoggingContext.this.type = {
+    ThreadContext.removeAll(xs.toSeq.asJava)
+    this
+  }
+
+  override def clear(): Unit = {
+    ThreadContext.clearMap()
+  }
+
+  override def contains(key: String): Boolean = ThreadContext.containsKey(key)
+
+  override def get(key: String): Option[String] = 
Option(ThreadContext.get(key))
+
+  override def iterator: Iterator[(String, String)] = 
ThreadContext.getImmutableContext.asScala.iterator
+
+  override def foreach[U](f: ((String, String)) => U): Unit = 
ThreadContext.getImmutableContext.asScala.foreach(f)
+
+  override def size: Int = ThreadContext.getImmutableContext.size()
+
+  override def isEmpty: Boolean = ThreadContext.isEmpty
+
+}

http://git-wip-us.apache.org/repos/asf/logging-log4j-scala/blob/184045cb/log4j-api-scala_2.13/src/site/markdown/index.md
----------------------------------------------------------------------
diff --git a/log4j-api-scala_2.13/src/site/markdown/index.md 
b/log4j-api-scala_2.13/src/site/markdown/index.md
new file mode 100644
index 0000000..7acf397
--- /dev/null
+++ b/log4j-api-scala_2.13/src/site/markdown/index.md
@@ -0,0 +1,74 @@
+<!--
+    Licensed to the Apache Software Foundation (ASF) under one or more
+    contributor license agreements.  See the NOTICE file distributed with
+    this work for additional information regarding copyright ownership.
+    The ASF licenses this file to You under the Apache License, Version 2.0
+    (the "License"); you may not use this file except in compliance with
+    the License.  You may obtain a copy of the License at
+
+         http://www.apache.org/licenses/LICENSE-2.0
+
+    Unless required by applicable law or agreed to in writing, software
+    distributed under the License is distributed on an "AS IS" BASIS,
+    WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+    See the License for the specific language governing permissions and
+    limitations under the License.
+-->
+# Log4j Scala 2.12 API
+
+## Requirements
+
+Log4j Scala API for Scala 2.12 requires Log4j API, Java 8, the Scala runtime
+library, and the Scala reflection library. To use Log4j as a logging 
implementation,
+then Log4j Core must also be included. Instructions on using these 
dependencies are
+in the [dependency information page][dependencies], and additional information 
is
+included in the [Log4j artifacts][artifacts] page.
+
+## Example Usage
+
+<pre class="prettyprint linenums">
+import org.apache.logging.log4j.scala.Logging
+import org.apache.logging.log4j.Level
+
+class MyClass extends BaseClass with Logging {
+  def doStuff(): Unit = {
+    logger.info("Doing stuff")
+  }
+  def doStuffWithLevel(level: Level): Unit = {
+    logger(level, "Doing stuff with arbitrary level")
+  }
+}
+</pre>
+
+## Configuration
+
+Log4j Scala 2.12 API uses the standard [Log4j configuration][configuration]
+plugins. This supports XML, properties files, and a configuration builder DSL 
by
+default, and it optionally supports JSON and YAML formats with some additional
+Jackson dependencies.
+
+## Substituting Parameters
+
+In the Java API, parameters to a log message are interpolated using various
+strategies. In the Scala API, [string interpolation][interpolation] is used
+instead. As all logger methods are implemented as macros, string construction 
and
+method invocations will only occur when logging is enabled for the given log
+level. For example:
+
+<pre class="prettyprint linenums">
+logger.debug(s"Logging in user ${user.getName} with birthday 
${user.calcBirthday}")
+</pre>
+
+## Logger Names
+
+Most logging implementations use a hierarchical scheme for matching logger 
names
+with logging configuration. In this scheme the logger name hierarchy is
+represented by '.' characters in the logger name, in a fashion very similar to
+the hierarchy used for Java/Scala package names. The [`Logging` trait][logging]
+will automatically name the Logger accordingly to the class it is being used 
in.
+
+[dependencies]: dependency-info.html
+[artifacts]: ../maven-artifacts.html
+[configuration]: ../configuration.html
+[interpolation]: 
http://docs.scala-lang.org/overviews/core/string-interpolation.html
+[logging]: scaladocs/org/apache/logging/log4j/scala/Logging.html
\ No newline at end of file

http://git-wip-us.apache.org/repos/asf/logging-log4j-scala/blob/184045cb/log4j-api-scala_2.13/src/site/site.xml
----------------------------------------------------------------------
diff --git a/log4j-api-scala_2.13/src/site/site.xml 
b/log4j-api-scala_2.13/src/site/site.xml
new file mode 100644
index 0000000..f46fa51
--- /dev/null
+++ b/log4j-api-scala_2.13/src/site/site.xml
@@ -0,0 +1,30 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!--
+  ~ Licensed to the Apache Software Foundation (ASF) under one or more
+  ~ contributor license agreements. See the NOTICE file distributed with
+  ~ this work for additional information regarding copyright ownership.
+  ~ The ASF licenses this file to You under the Apache license, Version 2.0
+  ~ (the "License"); you may not use this file except in compliance with
+  ~ the License. You may obtain a copy of the License at
+  ~
+  ~      http://www.apache.org/licenses/LICENSE-2.0
+  ~
+  ~ Unless required by applicable law or agreed to in writing, software
+  ~ distributed under the License is distributed on an "AS IS" BASIS,
+  ~ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+  ~ See the license for the specific language governing permissions and
+  ~ limitations under the license.
+  -->
+<project name="Log4j Scala API"
+         xmlns="http://maven.apache.org/DECORATION/1.7.0";
+         xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance";
+         xsi:schemaLocation="http://maven.apache.org/DECORATION/1.7.0 
http://maven.apache.org/xsd/decoration-1.7.0.xsd";>
+    <body>
+        <links>
+            <item name="Apache" href="http://www.apache.org/"/>
+            <item name="Logging Services" href="http://logging.apache.org/"/>
+            <item name="Log4j" href="../index.html"/>
+        </links>
+        <menu ref="reports"/>
+    </body>
+</project>
\ No newline at end of file

http://git-wip-us.apache.org/repos/asf/logging-log4j-scala/blob/184045cb/log4j-api-scala_2.13/src/test/scala/org/apache/logging/log4j/scala/LoggerTest.scala
----------------------------------------------------------------------
diff --git 
a/log4j-api-scala_2.13/src/test/scala/org/apache/logging/log4j/scala/LoggerTest.scala
 
b/log4j-api-scala_2.13/src/test/scala/org/apache/logging/log4j/scala/LoggerTest.scala
new file mode 100644
index 0000000..bd12742
--- /dev/null
+++ 
b/log4j-api-scala_2.13/src/test/scala/org/apache/logging/log4j/scala/LoggerTest.scala
@@ -0,0 +1,552 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements. See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache license, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the license for the specific language governing permissions and
+ * limitations under the license.
+ */
+package org.apache.logging.log4j.scala
+
+import org.apache.logging.log4j.message.{DefaultFlowMessageFactory, Message, 
ParameterizedMessage, ParameterizedMessageFactory}
+import org.apache.logging.log4j.spi.{AbstractLogger, ExtendedLogger}
+import org.apache.logging.log4j.{Level, Marker, MarkerManager}
+import org.junit.runner.RunWith
+import org.mockito.Matchers.{any, anyString, eq => eqv}
+import org.mockito.Mockito._
+import org.scalatest.junit.JUnitRunner
+import org.scalatest.mockito.MockitoSugar
+import org.scalatest.{FunSuite, Matchers}
+
+import scala.language.reflectiveCalls  // needed for Mockito mocking
+
+case class Custom(i: Int)
+
+trait Manager {
+  def fetchValue(): Int
+}
+
+@RunWith(classOf[JUnitRunner])
+class LoggerTest extends FunSuite with Matchers with MockitoSugar {
+
+  val msg = new ParameterizedMessage("msg {}", 17)
+  val entryMsg = new DefaultFlowMessageFactory().newEntryMessage(msg)
+  val cseqMsg: CharSequence = new StringBuilder().append("cseq msg")
+  val objectMsg = Custom(17)
+  val cause = new RuntimeException("cause")
+  val marker = MarkerManager.getMarker("marker")
+  val result = "foo"
+
+  def fixture =
+    new {
+      val mockLogger = {
+        val mockLogger = mock[ExtendedLogger]
+        when(mockLogger.getMessageFactory).thenReturn(new 
ParameterizedMessageFactory)
+        mockLogger
+      }
+      val manager = {
+        val mockManager = mock[Manager]
+        when(mockManager.fetchValue()).thenReturn(4711)
+        mockManager
+      }
+    }
+
+  test("fatal enabled with String message") {
+    val f = fixture
+    when(f.mockLogger.isEnabled(Level.FATAL)).thenReturn(true)
+    val logger = Logger(f.mockLogger)
+    logger.fatal(s"string msg with value: ${f.manager.fetchValue()}")
+    verify(f.mockLogger).logMessage(anyString(), eqv(Level.FATAL), eqv(null), 
any[Message], eqv(null))
+    verify(f.manager).fetchValue()
+  }
+
+  test("fatal disabled with String message") {
+    val f = fixture
+    when(f.mockLogger.isEnabled(Level.FATAL)).thenReturn(false)
+    val logger = Logger(f.mockLogger)
+    logger.fatal(s"string msg with value: ${f.manager.fetchValue()}")
+    verify(f.mockLogger, never).logMessage(anyString(), any[Level], 
any[Marker], any[Message], any[Throwable])
+    verify(f.manager, never).fetchValue()
+  }
+
+  test("error enabled with String message") {
+    val f = fixture
+    when(f.mockLogger.isEnabled(Level.ERROR)).thenReturn(true)
+    val logger = Logger(f.mockLogger)
+    logger.error(s"string msg with value: ${f.manager.fetchValue()}")
+    verify(f.mockLogger).logMessage(anyString(), eqv(Level.ERROR), eqv(null), 
any[Message], eqv(null))
+    verify(f.manager).fetchValue()
+  }
+
+  test("error disabled with String message") {
+    val f = fixture
+    when(f.mockLogger.isEnabled(Level.ERROR)).thenReturn(false)
+    val logger = Logger(f.mockLogger)
+    logger.error(s"string msg with value: ${f.manager.fetchValue()}")
+    verify(f.mockLogger, never).logMessage(anyString(), any[Level], 
any[Marker], any[Message], any[Throwable])
+    verify(f.manager, never).fetchValue()
+  }
+
+  test("warn enabled with String message") {
+    val f = fixture
+    when(f.mockLogger.isEnabled(Level.WARN)).thenReturn(true)
+    val logger = Logger(f.mockLogger)
+    logger.warn(s"string msg with value: ${f.manager.fetchValue()}")
+    verify(f.mockLogger).logMessage(anyString(), eqv(Level.WARN), eqv(null), 
any[Message], eqv(null))
+    verify(f.manager).fetchValue()
+  }
+
+  test("warn disabled with String message") {
+    val f = fixture
+    when(f.mockLogger.isEnabled(Level.WARN)).thenReturn(false)
+    val logger = Logger(f.mockLogger)
+    logger.warn(s"string msg with value: ${f.manager.fetchValue()}")
+    verify(f.mockLogger, never).logMessage(anyString(), any[Level], 
any[Marker], any[Message], any[Throwable])
+    verify(f.manager, never).fetchValue()
+  }
+
+  test("info enabled with String message") {
+    val f = fixture
+    when(f.mockLogger.isEnabled(Level.INFO)).thenReturn(true)
+    val logger = Logger(f.mockLogger)
+    logger.info(s"string msg with value: ${f.manager.fetchValue()}")
+    verify(f.mockLogger).logMessage(anyString(), eqv(Level.INFO), eqv(null), 
any[Message], eqv(null))
+    verify(f.manager).fetchValue()
+  }
+
+  test("info disabled with String message") {
+    val f = fixture
+    when(f.mockLogger.isEnabled(Level.INFO)).thenReturn(false)
+    val logger = Logger(f.mockLogger)
+    logger.info(s"string msg with value: ${f.manager.fetchValue()}")
+    verify(f.mockLogger, never).logMessage(anyString(), any[Level], 
any[Marker], any[Message], any[Throwable])
+    verify(f.manager, never).fetchValue()
+  }
+
+  test("debug enabled with String message") {
+    val f = fixture
+    when(f.mockLogger.isEnabled(Level.DEBUG)).thenReturn(true)
+    val logger = Logger(f.mockLogger)
+    logger.debug(s"string msg with value: ${f.manager.fetchValue()}")
+    verify(f.mockLogger).logMessage(anyString(), eqv(Level.DEBUG), eqv(null), 
any[Message], eqv(null))
+    verify(f.manager).fetchValue()
+  }
+
+  test("debug disabled with String message") {
+    val f = fixture
+    when(f.mockLogger.isEnabled(Level.DEBUG)).thenReturn(false)
+    val logger = Logger(f.mockLogger)
+    logger.debug(s"string msg with value: ${f.manager.fetchValue()}")
+    verify(f.mockLogger, never).logMessage(anyString(), any[Level], 
any[Marker], any[Message], any[Throwable])
+    verify(f.manager, never).fetchValue()
+  }
+
+  test("trace enabled with String message") {
+    val f = fixture
+    when(f.mockLogger.isEnabled(Level.TRACE)).thenReturn(true)
+    val logger = Logger(f.mockLogger)
+    logger.trace(s"string msg with value: ${f.manager.fetchValue()}")
+    verify(f.mockLogger).logMessage(anyString(), eqv(Level.TRACE), eqv(null), 
any[Message], eqv(null))
+    verify(f.manager).fetchValue()
+  }
+
+  test("trace disabled with String message") {
+    val f = fixture
+    when(f.mockLogger.isEnabled(Level.TRACE)).thenReturn(false)
+    val logger = Logger(f.mockLogger)
+    logger.trace(s"string msg with value: ${f.manager.fetchValue()}")
+    verify(f.mockLogger, never).logMessage(anyString(), any[Level], 
any[Marker], any[Message], any[Throwable])
+    verify(f.manager, never).fetchValue()
+  }
+
+
+  test("log enabled with Message message and Marker") {
+    val f = fixture
+    when(f.mockLogger.isEnabled(Level.INFO, marker)).thenReturn(true)
+    val logger = Logger(f.mockLogger)
+    logger(Level.INFO, marker, msg)
+    verify(f.mockLogger).logMessage(anyString(), eqv(Level.INFO), eqv(marker), 
eqv(msg), eqv(null))
+  }
+
+  test("log disabled with Message message and Marker") {
+    val f = fixture
+    when(f.mockLogger.isEnabled(Level.INFO, marker)).thenReturn(false)
+    val logger = Logger(f.mockLogger)
+    logger(Level.INFO, marker, msg)
+    verify(f.mockLogger, never).logMessage(anyString(), any[Level], 
any[Marker], any[Message], any[Throwable])
+  }
+
+  test("log enabled with String message and Marker") {
+    val f = fixture
+    when(f.mockLogger.isEnabled(Level.INFO, marker)).thenReturn(true)
+    val logger = Logger(f.mockLogger)
+    logger(Level.INFO, marker, s"string msg with value: 
${f.manager.fetchValue()}")
+    verify(f.mockLogger).logMessage(anyString(), eqv(Level.INFO), eqv(marker), 
any[Message], eqv(null))
+    verify(f.manager).fetchValue()
+  }
+
+  test("log disabled with String message and Marker") {
+    val f = fixture
+    when(f.mockLogger.isEnabled(Level.INFO, marker)).thenReturn(false)
+    val logger = Logger(f.mockLogger)
+    logger(Level.INFO, marker, s"string msg with value: 
${f.manager.fetchValue()}")
+    verify(f.mockLogger, never).logMessage(anyString(), any[Level], 
any[Marker], any[Message], any[Throwable])
+    verify(f.manager, never).fetchValue()
+  }
+
+  test("log enabled with CharSequence message and Marker") {
+    val f = fixture
+    when(f.mockLogger.isEnabled(Level.INFO, marker)).thenReturn(true)
+    val logger = Logger(f.mockLogger)
+    logger(Level.INFO, marker, cseqMsg)
+    verify(f.mockLogger).logMessage(anyString(), eqv(Level.INFO), eqv(marker), 
any[Message], eqv(null))
+  }
+
+  test("log disabled with CharSequence message and Marker") {
+    val f = fixture
+    when(f.mockLogger.isEnabled(Level.INFO, marker)).thenReturn(false)
+    val logger = Logger(f.mockLogger)
+    logger(Level.INFO, marker, cseqMsg)
+    verify(f.mockLogger, never).logMessage(anyString(), any[Level], 
any[Marker], any[Message], any[Throwable])
+  }
+
+  test("log enabled with Object message and Marker") {
+    val f = fixture
+    when(f.mockLogger.isEnabled(Level.INFO, marker)).thenReturn(true)
+    val logger = Logger(f.mockLogger)
+    logger(Level.INFO, marker, objectMsg)
+    verify(f.mockLogger).logMessage(anyString(), eqv(Level.INFO), eqv(marker), 
any[Message], eqv(null))
+  }
+
+  test("log disabled with Object message and Marker") {
+    val f = fixture
+    when(f.mockLogger.isEnabled(Level.INFO, marker)).thenReturn(false)
+    val logger = Logger(f.mockLogger)
+    logger(Level.INFO, marker, objectMsg)
+    verify(f.mockLogger, never).logMessage(anyString(), any[Level], 
any[Marker], any[Message], any[Throwable])
+  }
+
+  test("log enabled with Message message and cause and Marker") {
+    val f = fixture
+    when(f.mockLogger.isEnabled(Level.INFO, marker)).thenReturn(true)
+    val logger = Logger(f.mockLogger)
+    logger(Level.INFO, marker, msg, cause)
+    verify(f.mockLogger).logMessage(anyString(), eqv(Level.INFO), eqv(marker), 
eqv(msg), eqv(cause))
+  }
+
+  test("log disabled with Message message and cause and Marker") {
+    val f = fixture
+    when(f.mockLogger.isEnabled(Level.INFO, marker)).thenReturn(false)
+    val logger = Logger(f.mockLogger)
+    logger(Level.INFO, marker, msg, cause)
+    verify(f.mockLogger, never).logMessage(anyString(), any[Level], 
any[Marker], any[Message], any[Throwable])
+  }
+
+  test("log enabled with String message and cause and Marker") {
+    val f = fixture
+    when(f.mockLogger.isEnabled(Level.INFO, marker)).thenReturn(true)
+    val logger = Logger(f.mockLogger)
+    logger(Level.INFO, marker, s"string msg with value: 
${f.manager.fetchValue()}", cause)
+    verify(f.mockLogger).logMessage(anyString(), eqv(Level.INFO), eqv(marker), 
any[Message], eqv(cause))
+    verify(f.manager).fetchValue()
+  }
+
+  test("log disabled with String message and cause and Marker") {
+    val f = fixture
+    when(f.mockLogger.isEnabled(Level.INFO, marker)).thenReturn(false)
+    val logger = Logger(f.mockLogger)
+    logger(Level.INFO, marker, s"string msg with value: 
${f.manager.fetchValue()}", cause)
+    verify(f.mockLogger, never).logMessage(anyString(), any[Level], 
any[Marker], any[Message], any[Throwable])
+    verify(f.manager, never).fetchValue()
+  }
+
+  test("log enabled with CharSequence message and cause and Marker") {
+    val f = fixture
+    when(f.mockLogger.isEnabled(Level.INFO, marker)).thenReturn(true)
+    val logger = Logger(f.mockLogger)
+    logger(Level.INFO, marker, cseqMsg, cause)
+    verify(f.mockLogger).logMessage(anyString(), eqv(Level.INFO), eqv(marker), 
any[Message], eqv(cause))
+  }
+
+  test("log disabled with CharSequence message and cause and Marker") {
+    val f = fixture
+    when(f.mockLogger.isEnabled(Level.INFO, marker)).thenReturn(false)
+    val logger = Logger(f.mockLogger)
+    logger(Level.INFO, marker, cseqMsg, cause)
+    verify(f.mockLogger, never).logMessage(anyString(), any[Level], 
any[Marker], any[Message], any[Throwable])
+  }
+
+  test("log enabled with Object message and cause and Marker") {
+    val f = fixture
+    when(f.mockLogger.isEnabled(Level.INFO, marker)).thenReturn(true)
+    val logger = Logger(f.mockLogger)
+    logger(Level.INFO, marker, objectMsg, cause)
+    verify(f.mockLogger).logMessage(anyString(), eqv(Level.INFO), eqv(marker), 
any[Message], eqv(cause))
+  }
+
+  test("log disabled with Object message and cause and Marker") {
+    val f = fixture
+    when(f.mockLogger.isEnabled(Level.INFO, marker)).thenReturn(false)
+    val logger = Logger(f.mockLogger)
+    logger(Level.INFO, marker, objectMsg, cause)
+    verify(f.mockLogger, never).logMessage(anyString(), any[Level], 
any[Marker], any[Message], any[Throwable])
+  }
+
+  test("log enabled with Message message") {
+    val f = fixture
+    when(f.mockLogger.isEnabled(Level.INFO)).thenReturn(true)
+    val logger = Logger(f.mockLogger)
+    logger(Level.INFO, msg)
+    verify(f.mockLogger).logMessage(anyString(), eqv(Level.INFO), eqv(null), 
eqv(msg), eqv(null))
+  }
+
+  test("log disabled with Message message") {
+    val f = fixture
+    when(f.mockLogger.isEnabled(Level.INFO)).thenReturn(false)
+    val logger = Logger(f.mockLogger)
+    logger(Level.INFO, msg)
+    verify(f.mockLogger, never).logMessage(anyString(), any[Level], 
any[Marker], any[Message], any[Throwable])
+  }
+
+  test("log enabled with String message") {
+    val f = fixture
+    when(f.mockLogger.isEnabled(Level.INFO)).thenReturn(true)
+    val logger = Logger(f.mockLogger)
+    logger(Level.INFO, s"string msg with value: ${f.manager.fetchValue()}")
+    verify(f.mockLogger).logMessage(anyString(), eqv(Level.INFO), eqv(null), 
any[Message], eqv(null))
+    verify(f.manager).fetchValue()
+  }
+
+  test("log disabled with String message") {
+    val f = fixture
+    when(f.mockLogger.isEnabled(Level.INFO)).thenReturn(false)
+    val logger = Logger(f.mockLogger)
+    logger(Level.INFO, s"string msg with value: ${f.manager.fetchValue()}")
+    verify(f.mockLogger, never).logMessage(anyString(), any[Level], 
any[Marker], any[Message], any[Throwable])
+    verify(f.manager, never).fetchValue()
+  }
+
+  test("log enabled with CharSequence message") {
+    val f = fixture
+    when(f.mockLogger.isEnabled(Level.INFO)).thenReturn(true)
+    val logger = Logger(f.mockLogger)
+    logger(Level.INFO, cseqMsg)
+    verify(f.mockLogger).logMessage(anyString(), eqv(Level.INFO), eqv(null), 
any[Message], eqv(null))
+  }
+
+  test("log disabled with CharSequence message") {
+    val f = fixture
+    when(f.mockLogger.isEnabled(Level.INFO)).thenReturn(false)
+    val logger = Logger(f.mockLogger)
+    logger(Level.INFO, cseqMsg)
+    verify(f.mockLogger, never).logMessage(anyString(), any[Level], 
any[Marker], any[Message], any[Throwable])
+  }
+
+  test("log enabled with Object message") {
+    val f = fixture
+    when(f.mockLogger.isEnabled(Level.INFO)).thenReturn(true)
+    val logger = Logger(f.mockLogger)
+    logger(Level.INFO, objectMsg)
+    verify(f.mockLogger).logMessage(anyString(), eqv(Level.INFO), eqv(null), 
any[Message], eqv(null))
+  }
+
+  test("log disabled with Object message") {
+    val f = fixture
+    when(f.mockLogger.isEnabled(Level.INFO)).thenReturn(false)
+    val logger = Logger(f.mockLogger)
+    logger(Level.INFO, objectMsg)
+    verify(f.mockLogger, never).logMessage(anyString(), any[Level], 
any[Marker], any[Message], any[Throwable])
+  }
+
+  test("log enabled with Message message and cause") {
+    val f = fixture
+    when(f.mockLogger.isEnabled(Level.INFO)).thenReturn(true)
+    val logger = Logger(f.mockLogger)
+    logger(Level.INFO, msg, cause)
+    verify(f.mockLogger).logMessage(anyString(), eqv(Level.INFO), eqv(null), 
eqv(msg), eqv(cause))
+  }
+
+  test("log disabled with Message message and cause") {
+    val f = fixture
+    when(f.mockLogger.isEnabled(Level.INFO)).thenReturn(false)
+    val logger = Logger(f.mockLogger)
+    logger(Level.INFO, msg, cause)
+    verify(f.mockLogger, never).logMessage(anyString(), any[Level], 
any[Marker], any[Message], any[Throwable])
+  }
+
+  test("log enabled with String message and cause") {
+    val f = fixture
+    when(f.mockLogger.isEnabled(Level.INFO)).thenReturn(true)
+    val logger = Logger(f.mockLogger)
+    logger(Level.INFO, s"string msg with value: ${f.manager.fetchValue()}", 
cause)
+    verify(f.mockLogger).logMessage(anyString(), eqv(Level.INFO), eqv(null), 
any[Message], eqv(cause))
+    verify(f.manager).fetchValue()
+  }
+
+  test("log disabled with String message and cause") {
+    val f = fixture
+    when(f.mockLogger.isEnabled(Level.INFO)).thenReturn(false)
+    val logger = Logger(f.mockLogger)
+    logger(Level.INFO, s"string msg with value: ${f.manager.fetchValue()}", 
cause)
+    verify(f.mockLogger, never).logMessage(anyString(), any[Level], 
any[Marker], any[Message], any[Throwable])
+    verify(f.manager, never).fetchValue()
+  }
+
+  test("log enabled with CharSequence message and cause") {
+    val f = fixture
+    when(f.mockLogger.isEnabled(Level.INFO)).thenReturn(true)
+    val logger = Logger(f.mockLogger)
+    logger(Level.INFO, cseqMsg, cause)
+    verify(f.mockLogger).logMessage(anyString(), eqv(Level.INFO), eqv(null), 
any[Message], eqv(cause))
+  }
+
+  test("log disabled with CharSequence message and cause") {
+    val f = fixture
+    when(f.mockLogger.isEnabled(Level.INFO)).thenReturn(false)
+    val logger = Logger(f.mockLogger)
+    logger(Level.INFO, cseqMsg, cause)
+    verify(f.mockLogger, never).logMessage(anyString(), any[Level], 
any[Marker], any[Message], any[Throwable])
+  }
+
+  test("log enabled with Object message and cause") {
+    val f = fixture
+    when(f.mockLogger.isEnabled(Level.INFO)).thenReturn(true)
+    val logger = Logger(f.mockLogger)
+    logger(Level.INFO, objectMsg, cause)
+    verify(f.mockLogger).logMessage(anyString(), eqv(Level.INFO), eqv(null), 
any[Message], eqv(cause))
+  }
+
+  test("log disabled with Object message and cause") {
+    val f = fixture
+    when(f.mockLogger.isEnabled(Level.INFO)).thenReturn(false)
+    val logger = Logger(f.mockLogger)
+    logger(Level.INFO, objectMsg, cause)
+    verify(f.mockLogger, never).logMessage(anyString(), any[Level], 
any[Marker], any[Message], any[Throwable])
+  }
+
+
+  test("traceEntry") {
+    val f = fixture
+    when(f.mockLogger.isEnabled(Level.TRACE, AbstractLogger.ENTRY_MARKER, 
null.asInstanceOf[AnyRef], null)).thenReturn(true)
+    val logger = Logger(f.mockLogger)
+    logger.traceEntry()
+    verify(f.mockLogger).traceEntry()
+  }
+
+  test("traceEntry enabled with params") {
+    val f = fixture
+    when(f.mockLogger.isEnabled(Level.TRACE, AbstractLogger.ENTRY_MARKER, 
null.asInstanceOf[AnyRef], null)).thenReturn(true)
+    val logger = Logger(f.mockLogger)
+    logger.traceEntry("foo", "bar")
+    verify(f.mockLogger).traceEntry(null: String, "foo", "bar")
+  }
+
+  test("traceEntry disabled with params") {
+    val f = fixture
+    when(f.mockLogger.isEnabled(Level.TRACE, AbstractLogger.ENTRY_MARKER, 
null.asInstanceOf[AnyRef], null)).thenReturn(false)
+    val logger = Logger(f.mockLogger)
+    logger.traceEntry("foo", "bar")
+    verify(f.mockLogger, never).traceEntry(anyString(), anyString(), 
anyString())
+  }
+
+  test("traceEntry enabled with message") {
+    val f = fixture
+    when(f.mockLogger.isEnabled(Level.TRACE, AbstractLogger.ENTRY_MARKER, 
null.asInstanceOf[AnyRef], null)).thenReturn(true)
+    val logger = Logger(f.mockLogger)
+    logger.traceEntry(msg)
+    verify(f.mockLogger).traceEntry(eqv(msg))
+  }
+
+  test("traceEntry disabled with message") {
+    val f = fixture
+    when(f.mockLogger.isEnabled(Level.TRACE, AbstractLogger.ENTRY_MARKER, 
null.asInstanceOf[AnyRef], null)).thenReturn(false)
+    val logger = Logger(f.mockLogger)
+    logger.traceEntry(msg)
+    verify(f.mockLogger, never).traceEntry(any[Message])
+  }
+
+  test("traceExit") {
+    val f = fixture
+    when(f.mockLogger.isEnabled(Level.TRACE, AbstractLogger.EXIT_MARKER, msg, 
null)).thenReturn(true)
+    val logger = Logger(f.mockLogger)
+    logger.traceExit()
+    verify(f.mockLogger).traceExit()
+  }
+
+  test("traceExit with result") {
+    val f = fixture
+    when(f.mockLogger.isEnabled(Level.TRACE, AbstractLogger.EXIT_MARKER, msg, 
null)).thenReturn(true)
+    val logger = Logger(f.mockLogger)
+    logger.traceExit(result)
+    verify(f.mockLogger).traceExit(result)
+  }
+
+  test("traceExit with entrymessage") {
+    val f = fixture
+    when(f.mockLogger.isEnabled(Level.TRACE, AbstractLogger.EXIT_MARKER, msg, 
null)).thenReturn(true)
+    val logger = Logger(f.mockLogger)
+    logger.traceExit(entryMsg)
+    verify(f.mockLogger).traceExit(entryMsg)
+  }
+
+  test("traceExit with entrymessage and result") {
+    val f = fixture
+    when(f.mockLogger.isEnabled(Level.TRACE, AbstractLogger.EXIT_MARKER, msg, 
null)).thenReturn(true)
+    val logger = Logger(f.mockLogger)
+    logger.traceExit(entryMsg, result)
+    verify(f.mockLogger).traceExit(entryMsg, result)
+  }
+
+  test("traceExit enabled with message") {
+    val f = fixture
+    when(f.mockLogger.isEnabled(Level.TRACE, AbstractLogger.EXIT_MARKER, msg, 
null)).thenReturn(true)
+    val logger = Logger(f.mockLogger)
+    logger.traceExit(msg, result)
+    verify(f.mockLogger).traceExit(eqv(msg), eqv(result))
+  }
+
+  test("traceExit disabled with message") {
+    val f = fixture
+    when(f.mockLogger.isEnabled(Level.TRACE, AbstractLogger.EXIT_MARKER, msg, 
null)).thenReturn(false)
+    val logger = Logger(f.mockLogger)
+    logger.traceExit(msg, result)
+    verify(f.mockLogger, never).traceExit(any[Message], any[AnyRef])
+  }
+
+  test("throwing") {
+    val f = fixture
+    val logger = Logger(f.mockLogger)
+    logger.throwing(cause)
+    verify(f.mockLogger).throwing(eqv(cause))
+  }
+
+  test("throwing with level") {
+    val f = fixture
+    val logger = Logger(f.mockLogger)
+    logger.throwing(Level.INFO, cause)
+    verify(f.mockLogger).throwing(eqv(Level.INFO), eqv(cause))
+  }
+
+  test("catching") {
+    val f = fixture
+    val logger = Logger(f.mockLogger)
+    logger.catching(cause)
+    verify(f.mockLogger).catching(eqv(cause))
+  }
+
+  test("catching with level") {
+    val f = fixture
+    val logger = Logger(f.mockLogger)
+    logger.catching(Level.INFO, cause)
+    verify(f.mockLogger).catching(eqv(Level.INFO), eqv(cause))
+  }
+
+}

http://git-wip-us.apache.org/repos/asf/logging-log4j-scala/blob/184045cb/log4j-api-scala_2.13/src/test/scala/org/apache/logging/log4j/scala/LoggingContextTest.scala
----------------------------------------------------------------------
diff --git 
a/log4j-api-scala_2.13/src/test/scala/org/apache/logging/log4j/scala/LoggingContextTest.scala
 
b/log4j-api-scala_2.13/src/test/scala/org/apache/logging/log4j/scala/LoggingContextTest.scala
new file mode 100644
index 0000000..80ca940
--- /dev/null
+++ 
b/log4j-api-scala_2.13/src/test/scala/org/apache/logging/log4j/scala/LoggingContextTest.scala
@@ -0,0 +1,115 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements. See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache license, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the license for the specific language governing permissions and
+ * limitations under the license.
+ */
+package org.apache.logging.log4j.scala
+
+import org.junit.runner.RunWith
+import org.scalatest.junit.JUnitRunner
+import org.scalatest.{FunSuite, Matchers}
+
+import scala.collection.mutable
+
+@RunWith(classOf[JUnitRunner])
+class LoggingContextTest extends FunSuite with Matchers {
+
+  test("put single, contains, get") {
+    LoggingContext += "key" -> "value"
+
+    LoggingContext.contains("key") shouldBe true
+    LoggingContext.get("key") shouldBe Some("value")
+    LoggingContext.contains("bogus") shouldBe false
+    LoggingContext.get("bogus") shouldBe None
+  }
+
+  test("put multiple 1") {
+    LoggingContext += ("key1" -> "value1", "key2" -> "value2")
+
+    LoggingContext.get("key1") shouldBe Some("value1")
+    LoggingContext.get("key2") shouldBe Some("value2")
+  }
+
+  test("put multiple 2") {
+    LoggingContext ++= Seq("key1" -> "value1", "key2" -> "value2")
+
+    LoggingContext.get("key1") shouldBe Some("value1")
+    LoggingContext.get("key2") shouldBe Some("value2")
+  }
+
+  test("remove single") {
+    LoggingContext += ("key1" -> "value1")
+    LoggingContext += ("key2" -> "value2")
+    LoggingContext += ("key3" -> "value3")
+
+    LoggingContext -= "key1"
+
+    LoggingContext.get("key1") shouldBe None
+    LoggingContext.get("key2") shouldBe Some("value2")
+    LoggingContext.get("key3") shouldBe Some("value3")
+  }
+
+  test("remove multiple 1") {
+    LoggingContext += ("key1" -> "value1")
+    LoggingContext += ("key2" -> "value2")
+    LoggingContext += ("key3" -> "value3")
+
+    LoggingContext -= ("key1", "key2")
+
+    LoggingContext.get("key1") shouldBe None
+    LoggingContext.get("key2") shouldBe None
+    LoggingContext.get("key3") shouldBe Some("value3")
+  }
+
+  test("remove multiple 2") {
+    LoggingContext += ("key1" -> "value1")
+    LoggingContext += ("key2" -> "value2")
+    LoggingContext += ("key3" -> "value3")
+
+    LoggingContext --= Seq("key1", "key2")
+
+    LoggingContext.get("key1") shouldBe None
+    LoggingContext.get("key2") shouldBe None
+    LoggingContext.get("key3") shouldBe Some("value3")
+  }
+
+  test("clear, size, isEmpty") {
+    LoggingContext += ("key" -> "value")
+
+    LoggingContext.clear()
+
+    LoggingContext.contains("key") shouldBe false
+    LoggingContext.size shouldBe 0
+    LoggingContext.isEmpty shouldBe true
+  }
+
+  test("iterator") {
+    LoggingContext += ("key1" -> "value1")
+    LoggingContext += ("key2" -> "value2")
+
+    LoggingContext.iterator.toSet shouldBe Set("key1" -> "value1", "key2" -> 
"value2")
+  }
+
+  test("foreach") {
+    LoggingContext += ("key1" -> "value1")
+    LoggingContext += ("key2" -> "value2")
+
+    val result = mutable.Set.empty[(String, String)]
+
+    LoggingContext.foreach { result += _ }
+
+    result shouldBe Set("key1" -> "value1", "key2" -> "value2")
+  }
+
+}

http://git-wip-us.apache.org/repos/asf/logging-log4j-scala/blob/184045cb/pom.xml
----------------------------------------------------------------------
diff --git a/pom.xml b/pom.xml
index 1068ecb..c26cc7a 100644
--- a/pom.xml
+++ b/pom.xml
@@ -106,6 +106,7 @@
     <module>log4j-api-scala_2.10</module>
     <module>log4j-api-scala_2.11</module>
     <module>log4j-api-scala_2.12</module>
+<!--<module>log4j-api-scala_2.13</module> -->
     <module>log4j-api-scala-sample</module>
   </modules>
 

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