The module name reflects the version of Scala (or Scala.js, Scala Native,
SBT, etc.) it was compiled for. With at least Scala 2.10 and beyond,
version-specific artifacts can be done for major versions. With a milestone
release, I don't think there is guaranteed binary compatibility with the
actual release.

Perhaps just publishing it as a snapshot only would work? That way, users
testing out Scala 2.13 can just pull in the snapshot.

On 11 November 2017 at 17:49, Gary Gregory <garydgreg...@gmail.com> wrote:

> On Sat, Nov 11, 2017 at 3:51 PM, Matt Sicker <boa...@gmail.com> wrote:
>
> > I've seen on Maven Central before that a few Scala libraries have
> published
> > artifacts for 2.13.0 milestones. See for example: <
> > https://search.maven.org/#artifactdetails%7Corg.
> > scalatest%7Cscalatest_2.13.0-M2%7C3.0.4%7Cbundle>.
> > It seems like if we published the module by naming it
> > "log4j-api-scala_2.13.0-M2", we could have a version specific to that
> > milestone at least.
> >
>
> Hi Matt,
>
> The scalatest module has the milestone number in the name but not
> scala-library for example.
>
> Why bother with changing the module name. If it came out today, our version
> 12.0 of log4j-api-scala_2.13 would be at the 2.13.0-M2 level. Then our 13.0
> can be at the next M level and so on.
>
> What am I missing?
>
> Gary
>
>
> > On 11 November 2017 at 16:26, <ggreg...@apache.org> wrote:
> >
> > > 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 <ggreg...@apache.org>
> > > Authored: Sat Nov 11 15:26:01 2017 -0700
> > > Committer: Gary Gregory <ggreg...@apache.org>
> > > 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>
> > >
> > >
> > >
> >
> >
> > --
> > Matt Sicker <boa...@gmail.com>
> >
>



-- 
Matt Sicker <boa...@gmail.com>

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