Change logging library to use log4j2 and add log4j2.xml in the util m…

…odule

learning/katas/java/build.gradle

@@ -22,6 +22,7 @@ buildscript {
  guavaVersion = '27.1-jre'
  jodaTimeVersion = '2.10.2'
  slf4jVersion = '1.7.26'
+ log4jSlf4jImpl = '2.11.2'
 
  assertjVersion = '3.12.2'
  hamcrestVersion = '1.3'
@@ -57,7 +58,7 @@ subprojects {
 
  compile "joda-time:joda-time:$jodaTimeVersion"
  compile "org.slf4j:slf4j-api:$slf4jVersion"
- compile "org.slf4j:slf4j-jdk14:$slf4jVersion"
+ compile "org.apache.logging.log4j:log4j-slf4j-impl:$log4jSlf4jImpl"
  compile "com.google.guava:guava:$guavaVersion"
 
  testCompile "junit:junit:$junitVersion"
@@ -69,6 +70,7 @@ subprojects {
  sourceSets {
  main {
  java.srcDir 'src'
+ resources.srcDir 'resources'
  }
  test {
  java.srcDir 'test'

learning/katas/java/util/resources/log4j2.xml

@@ -0,0 +1,31 @@
+<?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:https://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.
+ -->
+
+<Configuration>
+ <Appenders>
+ <Console name="Console" target="SYSTEM_OUT">
+ <PatternLayout pattern="%d{HH:mm:ss.SSS} %-5level : %msg%n" />
+ </Console>
+ </Appenders>
+ <Loggers>
+ <Root level="info">
+ <AppenderRef ref="Console" />
+ </Root>
+ </Loggers>
+</Configuration>