Updated Maven Wrapper to current v3.9.6

Fixes #1263
diff --git a/.mvn/wrapper/maven-wrapper.jar b/.mvn/wrapper/maven-wrapper.jar
index c1dd12f..6c8becf 100644
--- a/.mvn/wrapper/maven-wrapper.jar
+++ b/.mvn/wrapper/maven-wrapper.jar
Binary files differ
diff --git a/.mvn/wrapper/maven-wrapper.properties b/.mvn/wrapper/maven-wrapper.properties
index 8c79a83..da86eaa 100644
--- a/.mvn/wrapper/maven-wrapper.properties
+++ b/.mvn/wrapper/maven-wrapper.properties
@@ -5,14 +5,15 @@
 # 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.
-distributionUrl=https://repo.maven.apache.org/maven2/org/apache/maven/apache-maven/3.8.4/apache-maven-3.8.4-bin.zip
-wrapperUrl=https://repo.maven.apache.org/maven2/org/apache/maven/wrapper/maven-wrapper/3.1.0/maven-wrapper-3.1.0.jar
+wrapperVersion=3.3.1
+distributionUrl=https://repo.maven.apache.org/maven2/org/apache/maven/apache-maven/3.9.6/apache-maven-3.9.6-bin.zip
+wrapperUrl=https://repo.maven.apache.org/maven2/org/apache/maven/wrapper/maven-wrapper/3.3.1/maven-wrapper-3.3.1.jar
diff --git a/mvnw b/mvnw
old mode 100644
new mode 100755
index 5643201..aa09908
--- a/mvnw
+++ b/mvnw
@@ -19,7 +19,7 @@
 # ----------------------------------------------------------------------------
 
 # ----------------------------------------------------------------------------
-# Maven Start Up Batch script
+# Apache Maven Wrapper startup batch script, version 3.3.1
 #
 # Required ENV vars:
 # ------------------
@@ -27,290 +27,306 @@
 #
 # Optional ENV vars
 # -----------------
-#   M2_HOME - location of maven2's installed home dir
 #   MAVEN_OPTS - parameters passed to the Java VM when running Maven
 #     e.g. to debug Maven itself, use
 #       set MAVEN_OPTS=-Xdebug -Xrunjdwp:transport=dt_socket,server=y,suspend=y,address=8000
 #   MAVEN_SKIP_RC - flag to disable loading of mavenrc files
 # ----------------------------------------------------------------------------
 
-if [ -z "$MAVEN_SKIP_RC" ] ; then
+if [ -z "$MAVEN_SKIP_RC" ]; then
 
-  if [ -f /usr/local/etc/mavenrc ] ; then
+  if [ -f /usr/local/etc/mavenrc ]; then
     . /usr/local/etc/mavenrc
   fi
 
-  if [ -f /etc/mavenrc ] ; then
+  if [ -f /etc/mavenrc ]; then
     . /etc/mavenrc
   fi
 
-  if [ -f "$HOME/.mavenrc" ] ; then
+  if [ -f "$HOME/.mavenrc" ]; then
     . "$HOME/.mavenrc"
   fi
 
 fi
 
 # OS specific support.  $var _must_ be set to either true or false.
-cygwin=false;
-darwin=false;
+cygwin=false
+darwin=false
 mingw=false
-case "`uname`" in
-  CYGWIN*) cygwin=true ;;
-  MINGW*) mingw=true;;
-  Darwin*) darwin=true
-    # Use /usr/libexec/java_home if available, otherwise fall back to /Library/Java/Home
-    # See https://developer.apple.com/library/mac/qa/qa1170/_index.html
-    if [ -z "$JAVA_HOME" ]; then
-      if [ -x "/usr/libexec/java_home" ]; then
-        export JAVA_HOME="`/usr/libexec/java_home`"
-      else
-        export JAVA_HOME="/Library/Java/Home"
-      fi
+case "$(uname)" in
+CYGWIN*) cygwin=true ;;
+MINGW*) mingw=true ;;
+Darwin*)
+  darwin=true
+  # Use /usr/libexec/java_home if available, otherwise fall back to /Library/Java/Home
+  # See https://developer.apple.com/library/mac/qa/qa1170/_index.html
+  if [ -z "$JAVA_HOME" ]; then
+    if [ -x "/usr/libexec/java_home" ]; then
+      JAVA_HOME="$(/usr/libexec/java_home)"
+      export JAVA_HOME
+    else
+      JAVA_HOME="/Library/Java/Home"
+      export JAVA_HOME
     fi
-    ;;
+  fi
+  ;;
 esac
 
-if [ -z "$JAVA_HOME" ] ; then
-  if [ -r /etc/gentoo-release ] ; then
-    JAVA_HOME=`java-config --jre-home`
+if [ -z "$JAVA_HOME" ]; then
+  if [ -r /etc/gentoo-release ]; then
+    JAVA_HOME=$(java-config --jre-home)
   fi
 fi
 
-if [ -z "$M2_HOME" ] ; then
-  ## resolve links - $0 may be a link to maven's home
-  PRG="$0"
-
-  # need this for relative symlinks
-  while [ -h "$PRG" ] ; do
-    ls=`ls -ld "$PRG"`
-    link=`expr "$ls" : '.*-> \(.*\)$'`
-    if expr "$link" : '/.*' > /dev/null; then
-      PRG="$link"
-    else
-      PRG="`dirname "$PRG"`/$link"
-    fi
-  done
-
-  saveddir=`pwd`
-
-  M2_HOME=`dirname "$PRG"`/..
-
-  # make it fully qualified
-  M2_HOME=`cd "$M2_HOME" && pwd`
-
-  cd "$saveddir"
-  # echo Using m2 at $M2_HOME
-fi
-
 # For Cygwin, ensure paths are in UNIX format before anything is touched
-if $cygwin ; then
-  [ -n "$M2_HOME" ] &&
-    M2_HOME=`cygpath --unix "$M2_HOME"`
-  [ -n "$JAVA_HOME" ] &&
-    JAVA_HOME=`cygpath --unix "$JAVA_HOME"`
-  [ -n "$CLASSPATH" ] &&
-    CLASSPATH=`cygpath --path --unix "$CLASSPATH"`
+if $cygwin; then
+  [ -n "$JAVA_HOME" ] \
+    && JAVA_HOME=$(cygpath --unix "$JAVA_HOME")
+  [ -n "$CLASSPATH" ] \
+    && CLASSPATH=$(cygpath --path --unix "$CLASSPATH")
 fi
 
 # For Mingw, ensure paths are in UNIX format before anything is touched
-if $mingw ; then
-  [ -n "$M2_HOME" ] &&
-    M2_HOME="`(cd "$M2_HOME"; pwd)`"
-  [ -n "$JAVA_HOME" ] &&
-    JAVA_HOME="`(cd "$JAVA_HOME"; pwd)`"
+if $mingw; then
+  [ -n "$JAVA_HOME" ] && [ -d "$JAVA_HOME" ] \
+    && JAVA_HOME="$(
+      cd "$JAVA_HOME" || (
+        echo "cannot cd into $JAVA_HOME." >&2
+        exit 1
+      )
+      pwd
+    )"
 fi
 
 if [ -z "$JAVA_HOME" ]; then
-  javaExecutable="`which javac`"
-  if [ -n "$javaExecutable" ] && ! [ "`expr \"$javaExecutable\" : '\([^ ]*\)'`" = "no" ]; then
+  javaExecutable="$(which javac)"
+  if [ -n "$javaExecutable" ] && ! [ "$(expr "$javaExecutable" : '\([^ ]*\)')" = "no" ]; then
     # readlink(1) is not available as standard on Solaris 10.
-    readLink=`which readlink`
-    if [ ! `expr "$readLink" : '\([^ ]*\)'` = "no" ]; then
-      if $darwin ; then
-        javaHome="`dirname \"$javaExecutable\"`"
-        javaExecutable="`cd \"$javaHome\" && pwd -P`/javac"
+    readLink=$(which readlink)
+    if [ ! "$(expr "$readLink" : '\([^ ]*\)')" = "no" ]; then
+      if $darwin; then
+        javaHome="$(dirname "$javaExecutable")"
+        javaExecutable="$(cd "$javaHome" && pwd -P)/javac"
       else
-        javaExecutable="`readlink -f \"$javaExecutable\"`"
+        javaExecutable="$(readlink -f "$javaExecutable")"
       fi
-      javaHome="`dirname \"$javaExecutable\"`"
-      javaHome=`expr "$javaHome" : '\(.*\)/bin'`
+      javaHome="$(dirname "$javaExecutable")"
+      javaHome=$(expr "$javaHome" : '\(.*\)/bin')
       JAVA_HOME="$javaHome"
       export JAVA_HOME
     fi
   fi
 fi
 
-if [ -z "$JAVACMD" ] ; then
-  if [ -n "$JAVA_HOME"  ] ; then
-    if [ -x "$JAVA_HOME/jre/sh/java" ] ; then
+if [ -z "$JAVACMD" ]; then
+  if [ -n "$JAVA_HOME" ]; then
+    if [ -x "$JAVA_HOME/jre/sh/java" ]; then
       # IBM's JDK on AIX uses strange locations for the executables
       JAVACMD="$JAVA_HOME/jre/sh/java"
     else
       JAVACMD="$JAVA_HOME/bin/java"
     fi
   else
-    JAVACMD="`\\unset -f command; \\command -v java`"
+    JAVACMD="$(
+      \unset -f command 2>/dev/null
+      \command -v java
+    )"
   fi
 fi
 
-if [ ! -x "$JAVACMD" ] ; then
+if [ ! -x "$JAVACMD" ]; then
   echo "Error: JAVA_HOME is not defined correctly." >&2
   echo "  We cannot execute $JAVACMD" >&2
   exit 1
 fi
 
-if [ -z "$JAVA_HOME" ] ; then
-  echo "Warning: JAVA_HOME environment variable is not set."
+if [ -z "$JAVA_HOME" ]; then
+  echo "Warning: JAVA_HOME environment variable is not set." >&2
 fi
 
-CLASSWORLDS_LAUNCHER=org.codehaus.plexus.classworlds.launcher.Launcher
-
 # traverses directory structure from process work directory to filesystem root
 # first directory with .mvn subdirectory is considered project base directory
 find_maven_basedir() {
-
-  if [ -z "$1" ]
-  then
-    echo "Path not specified to find_maven_basedir"
+  if [ -z "$1" ]; then
+    echo "Path not specified to find_maven_basedir" >&2
     return 1
   fi
 
   basedir="$1"
   wdir="$1"
-  while [ "$wdir" != '/' ] ; do
-    if [ -d "$wdir"/.mvn ] ; then
+  while [ "$wdir" != '/' ]; do
+    if [ -d "$wdir"/.mvn ]; then
       basedir=$wdir
       break
     fi
     # workaround for JBEAP-8937 (on Solaris 10/Sparc)
     if [ -d "${wdir}" ]; then
-      wdir=`cd "$wdir/.."; pwd`
+      wdir=$(
+        cd "$wdir/.." || exit 1
+        pwd
+      )
     fi
     # end of workaround
   done
-  echo "${basedir}"
+  printf '%s' "$(
+    cd "$basedir" || exit 1
+    pwd
+  )"
 }
 
 # concatenates all lines of a file
 concat_lines() {
   if [ -f "$1" ]; then
-    echo "$(tr -s '\n' ' ' < "$1")"
+    # Remove \r in case we run on Windows within Git Bash
+    # and check out the repository with auto CRLF management
+    # enabled. Otherwise, we may read lines that are delimited with
+    # \r\n and produce $'-Xarg\r' rather than -Xarg due to word
+    # splitting rules.
+    tr -s '\r\n' ' ' <"$1"
   fi
 }
 
-BASE_DIR=`find_maven_basedir "$(pwd)"`
+log() {
+  if [ "$MVNW_VERBOSE" = true ]; then
+    printf '%s\n' "$1"
+  fi
+}
+
+BASE_DIR=$(find_maven_basedir "$(dirname "$0")")
 if [ -z "$BASE_DIR" ]; then
-  exit 1;
+  exit 1
 fi
 
+MAVEN_PROJECTBASEDIR=${MAVEN_BASEDIR:-"$BASE_DIR"}
+export MAVEN_PROJECTBASEDIR
+log "$MAVEN_PROJECTBASEDIR"
+
 ##########################################################################################
 # Extension to allow automatically downloading the maven-wrapper.jar from Maven-central
 # This allows using the maven wrapper in projects that prohibit checking in binary data.
 ##########################################################################################
-if [ -r "$BASE_DIR/.mvn/wrapper/maven-wrapper.jar" ]; then
-    if [ "$MVNW_VERBOSE" = true ]; then
-      echo "Found .mvn/wrapper/maven-wrapper.jar"
-    fi
+wrapperJarPath="$MAVEN_PROJECTBASEDIR/.mvn/wrapper/maven-wrapper.jar"
+if [ -r "$wrapperJarPath" ]; then
+  log "Found $wrapperJarPath"
 else
-    if [ "$MVNW_VERBOSE" = true ]; then
-      echo "Couldn't find .mvn/wrapper/maven-wrapper.jar, downloading it ..."
-    fi
-    if [ -n "$MVNW_REPOURL" ]; then
-      jarUrl="$MVNW_REPOURL/org/apache/maven/wrapper/maven-wrapper/3.1.0/maven-wrapper-3.1.0.jar"
+  log "Couldn't find $wrapperJarPath, downloading it ..."
+
+  if [ -n "$MVNW_REPOURL" ]; then
+    wrapperUrl="$MVNW_REPOURL/org/apache/maven/wrapper/maven-wrapper/3.3.1/maven-wrapper-3.3.1.jar"
+  else
+    wrapperUrl="https://repo.maven.apache.org/maven2/org/apache/maven/wrapper/maven-wrapper/3.3.1/maven-wrapper-3.3.1.jar"
+  fi
+  while IFS="=" read -r key value; do
+    # Remove '\r' from value to allow usage on windows as IFS does not consider '\r' as a separator ( considers space, tab, new line ('\n'), and custom '=' )
+    safeValue=$(echo "$value" | tr -d '\r')
+    case "$key" in wrapperUrl)
+      wrapperUrl="$safeValue"
+      break
+      ;;
+    esac
+  done <"$MAVEN_PROJECTBASEDIR/.mvn/wrapper/maven-wrapper.properties"
+  log "Downloading from: $wrapperUrl"
+
+  if $cygwin; then
+    wrapperJarPath=$(cygpath --path --windows "$wrapperJarPath")
+  fi
+
+  if command -v wget >/dev/null; then
+    log "Found wget ... using wget"
+    [ "$MVNW_VERBOSE" = true ] && QUIET="" || QUIET="--quiet"
+    if [ -z "$MVNW_USERNAME" ] || [ -z "$MVNW_PASSWORD" ]; then
+      wget $QUIET "$wrapperUrl" -O "$wrapperJarPath" || rm -f "$wrapperJarPath"
     else
-      jarUrl="https://repo.maven.apache.org/maven2/org/apache/maven/wrapper/maven-wrapper/3.1.0/maven-wrapper-3.1.0.jar"
+      wget $QUIET --http-user="$MVNW_USERNAME" --http-password="$MVNW_PASSWORD" "$wrapperUrl" -O "$wrapperJarPath" || rm -f "$wrapperJarPath"
     fi
-    while IFS="=" read key value; do
-      case "$key" in (wrapperUrl) jarUrl="$value"; break ;;
-      esac
-    done < "$BASE_DIR/.mvn/wrapper/maven-wrapper.properties"
-    if [ "$MVNW_VERBOSE" = true ]; then
-      echo "Downloading from: $jarUrl"
+  elif command -v curl >/dev/null; then
+    log "Found curl ... using curl"
+    [ "$MVNW_VERBOSE" = true ] && QUIET="" || QUIET="--silent"
+    if [ -z "$MVNW_USERNAME" ] || [ -z "$MVNW_PASSWORD" ]; then
+      curl $QUIET -o "$wrapperJarPath" "$wrapperUrl" -f -L || rm -f "$wrapperJarPath"
+    else
+      curl $QUIET --user "$MVNW_USERNAME:$MVNW_PASSWORD" -o "$wrapperJarPath" "$wrapperUrl" -f -L || rm -f "$wrapperJarPath"
     fi
-    wrapperJarPath="$BASE_DIR/.mvn/wrapper/maven-wrapper.jar"
+  else
+    log "Falling back to using Java to download"
+    javaSource="$MAVEN_PROJECTBASEDIR/.mvn/wrapper/MavenWrapperDownloader.java"
+    javaClass="$MAVEN_PROJECTBASEDIR/.mvn/wrapper/MavenWrapperDownloader.class"
+    # For Cygwin, switch paths to Windows format before running javac
     if $cygwin; then
-      wrapperJarPath=`cygpath --path --windows "$wrapperJarPath"`
+      javaSource=$(cygpath --path --windows "$javaSource")
+      javaClass=$(cygpath --path --windows "$javaClass")
     fi
-
-    if command -v wget > /dev/null; then
-        if [ "$MVNW_VERBOSE" = true ]; then
-          echo "Found wget ... using wget"
-        fi
-        if [ -z "$MVNW_USERNAME" ] || [ -z "$MVNW_PASSWORD" ]; then
-            wget "$jarUrl" -O "$wrapperJarPath" || rm -f "$wrapperJarPath"
-        else
-            wget --http-user=$MVNW_USERNAME --http-password=$MVNW_PASSWORD "$jarUrl" -O "$wrapperJarPath" || rm -f "$wrapperJarPath"
-        fi
-    elif command -v curl > /dev/null; then
-        if [ "$MVNW_VERBOSE" = true ]; then
-          echo "Found curl ... using curl"
-        fi
-        if [ -z "$MVNW_USERNAME" ] || [ -z "$MVNW_PASSWORD" ]; then
-            curl -o "$wrapperJarPath" "$jarUrl" -f
-        else
-            curl --user $MVNW_USERNAME:$MVNW_PASSWORD -o "$wrapperJarPath" "$jarUrl" -f
-        fi
-
-    else
-        if [ "$MVNW_VERBOSE" = true ]; then
-          echo "Falling back to using Java to download"
-        fi
-        javaClass="$BASE_DIR/.mvn/wrapper/MavenWrapperDownloader.java"
-        # For Cygwin, switch paths to Windows format before running javac
-        if $cygwin; then
-          javaClass=`cygpath --path --windows "$javaClass"`
-        fi
-        if [ -e "$javaClass" ]; then
-            if [ ! -e "$BASE_DIR/.mvn/wrapper/MavenWrapperDownloader.class" ]; then
-                if [ "$MVNW_VERBOSE" = true ]; then
-                  echo " - Compiling MavenWrapperDownloader.java ..."
-                fi
-                # Compiling the Java class
-                ("$JAVA_HOME/bin/javac" "$javaClass")
-            fi
-            if [ -e "$BASE_DIR/.mvn/wrapper/MavenWrapperDownloader.class" ]; then
-                # Running the downloader
-                if [ "$MVNW_VERBOSE" = true ]; then
-                  echo " - Running MavenWrapperDownloader.java ..."
-                fi
-                ("$JAVA_HOME/bin/java" -cp .mvn/wrapper MavenWrapperDownloader "$MAVEN_PROJECTBASEDIR")
-            fi
-        fi
+    if [ -e "$javaSource" ]; then
+      if [ ! -e "$javaClass" ]; then
+        log " - Compiling MavenWrapperDownloader.java ..."
+        ("$JAVA_HOME/bin/javac" "$javaSource")
+      fi
+      if [ -e "$javaClass" ]; then
+        log " - Running MavenWrapperDownloader.java ..."
+        ("$JAVA_HOME/bin/java" -cp .mvn/wrapper MavenWrapperDownloader "$wrapperUrl" "$wrapperJarPath") || rm -f "$wrapperJarPath"
+      fi
     fi
+  fi
 fi
 ##########################################################################################
 # End of extension
 ##########################################################################################
 
-export MAVEN_PROJECTBASEDIR=${MAVEN_BASEDIR:-"$BASE_DIR"}
-if [ "$MVNW_VERBOSE" = true ]; then
-  echo $MAVEN_PROJECTBASEDIR
+# If specified, validate the SHA-256 sum of the Maven wrapper jar file
+wrapperSha256Sum=""
+while IFS="=" read -r key value; do
+  case "$key" in wrapperSha256Sum)
+    wrapperSha256Sum=$value
+    break
+    ;;
+  esac
+done <"$MAVEN_PROJECTBASEDIR/.mvn/wrapper/maven-wrapper.properties"
+if [ -n "$wrapperSha256Sum" ]; then
+  wrapperSha256Result=false
+  if command -v sha256sum >/dev/null; then
+    if echo "$wrapperSha256Sum  $wrapperJarPath" | sha256sum -c >/dev/null 2>&1; then
+      wrapperSha256Result=true
+    fi
+  elif command -v shasum >/dev/null; then
+    if echo "$wrapperSha256Sum  $wrapperJarPath" | shasum -a 256 -c >/dev/null 2>&1; then
+      wrapperSha256Result=true
+    fi
+  else
+    echo "Checksum validation was requested but neither 'sha256sum' or 'shasum' are available." >&2
+    echo "Please install either command, or disable validation by removing 'wrapperSha256Sum' from your maven-wrapper.properties." >&2
+    exit 1
+  fi
+  if [ $wrapperSha256Result = false ]; then
+    echo "Error: Failed to validate Maven wrapper SHA-256, your Maven wrapper might be compromised." >&2
+    echo "Investigate or delete $wrapperJarPath to attempt a clean download." >&2
+    echo "If you updated your Maven version, you need to update the specified wrapperSha256Sum property." >&2
+    exit 1
+  fi
 fi
+
 MAVEN_OPTS="$(concat_lines "$MAVEN_PROJECTBASEDIR/.mvn/jvm.config") $MAVEN_OPTS"
 
 # For Cygwin, switch paths to Windows format before running java
 if $cygwin; then
-  [ -n "$M2_HOME" ] &&
-    M2_HOME=`cygpath --path --windows "$M2_HOME"`
-  [ -n "$JAVA_HOME" ] &&
-    JAVA_HOME=`cygpath --path --windows "$JAVA_HOME"`
-  [ -n "$CLASSPATH" ] &&
-    CLASSPATH=`cygpath --path --windows "$CLASSPATH"`
-  [ -n "$MAVEN_PROJECTBASEDIR" ] &&
-    MAVEN_PROJECTBASEDIR=`cygpath --path --windows "$MAVEN_PROJECTBASEDIR"`
+  [ -n "$JAVA_HOME" ] \
+    && JAVA_HOME=$(cygpath --path --windows "$JAVA_HOME")
+  [ -n "$CLASSPATH" ] \
+    && CLASSPATH=$(cygpath --path --windows "$CLASSPATH")
+  [ -n "$MAVEN_PROJECTBASEDIR" ] \
+    && MAVEN_PROJECTBASEDIR=$(cygpath --path --windows "$MAVEN_PROJECTBASEDIR")
 fi
 
 # Provide a "standardized" way to retrieve the CLI args that will
 # work with both Windows and non-Windows executions.
-MAVEN_CMD_LINE_ARGS="$MAVEN_CONFIG $@"
+MAVEN_CMD_LINE_ARGS="$MAVEN_CONFIG $*"
 export MAVEN_CMD_LINE_ARGS
 
 WRAPPER_LAUNCHER=org.apache.maven.wrapper.MavenWrapperMain
 
+# shellcheck disable=SC2086 # safe args
 exec "$JAVACMD" \
   $MAVEN_OPTS \
   $MAVEN_DEBUG_OPTS \
   -classpath "$MAVEN_PROJECTBASEDIR/.mvn/wrapper/maven-wrapper.jar" \
-  "-Dmaven.home=${M2_HOME}" \
   "-Dmaven.multiModuleProjectDirectory=${MAVEN_PROJECTBASEDIR}" \
   ${WRAPPER_LAUNCHER} $MAVEN_CONFIG "$@"
diff --git a/mvnw.cmd b/mvnw.cmd
index 8a15b7f..ef8be04 100644
--- a/mvnw.cmd
+++ b/mvnw.cmd
@@ -1,188 +1,206 @@
-@REM ----------------------------------------------------------------------------
-@REM Licensed to the Apache Software Foundation (ASF) under one
-@REM or more contributor license agreements.  See the NOTICE file
-@REM distributed with this work for additional information
-@REM regarding copyright ownership.  The ASF licenses this file
-@REM to you under the Apache License, Version 2.0 (the
-@REM "License"); you may not use this file except in compliance
-@REM with the License.  You may obtain a copy of the License at
-@REM
-@REM    http://www.apache.org/licenses/LICENSE-2.0
-@REM
-@REM Unless required by applicable law or agreed to in writing,
-@REM software distributed under the License is distributed on an
-@REM "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
-@REM KIND, either express or implied.  See the License for the
-@REM specific language governing permissions and limitations
-@REM under the License.
-@REM ----------------------------------------------------------------------------
-
-@REM ----------------------------------------------------------------------------
-@REM Maven Start Up Batch script
-@REM
-@REM Required ENV vars:
-@REM JAVA_HOME - location of a JDK home dir
-@REM
-@REM Optional ENV vars
-@REM M2_HOME - location of maven2's installed home dir
-@REM MAVEN_BATCH_ECHO - set to 'on' to enable the echoing of the batch commands
-@REM MAVEN_BATCH_PAUSE - set to 'on' to wait for a keystroke before ending
-@REM MAVEN_OPTS - parameters passed to the Java VM when running Maven
-@REM     e.g. to debug Maven itself, use
-@REM set MAVEN_OPTS=-Xdebug -Xrunjdwp:transport=dt_socket,server=y,suspend=y,address=8000
-@REM MAVEN_SKIP_RC - flag to disable loading of mavenrc files
-@REM ----------------------------------------------------------------------------
-
-@REM Begin all REM lines with '@' in case MAVEN_BATCH_ECHO is 'on'
-@echo off
-@REM set title of command window
-title %0
-@REM enable echoing by setting MAVEN_BATCH_ECHO to 'on'
-@if "%MAVEN_BATCH_ECHO%" == "on"  echo %MAVEN_BATCH_ECHO%
-
-@REM set %HOME% to equivalent of $HOME
-if "%HOME%" == "" (set "HOME=%HOMEDRIVE%%HOMEPATH%")
-
-@REM Execute a user defined script before this one
-if not "%MAVEN_SKIP_RC%" == "" goto skipRcPre
-@REM check for pre script, once with legacy .bat ending and once with .cmd ending
-if exist "%USERPROFILE%\mavenrc_pre.bat" call "%USERPROFILE%\mavenrc_pre.bat" %*
-if exist "%USERPROFILE%\mavenrc_pre.cmd" call "%USERPROFILE%\mavenrc_pre.cmd" %*
-:skipRcPre
-
-@setlocal
-
-set ERROR_CODE=0
-
-@REM To isolate internal variables from possible post scripts, we use another setlocal
-@setlocal
-
-@REM ==== START VALIDATION ====
-if not "%JAVA_HOME%" == "" goto OkJHome
-
-echo.
-echo Error: JAVA_HOME not found in your environment. >&2
-echo Please set the JAVA_HOME variable in your environment to match the >&2
-echo location of your Java installation. >&2
-echo.
-goto error
-
-:OkJHome
-if exist "%JAVA_HOME%\bin\java.exe" goto init
-
-echo.
-echo Error: JAVA_HOME is set to an invalid directory. >&2
-echo JAVA_HOME = "%JAVA_HOME%" >&2
-echo Please set the JAVA_HOME variable in your environment to match the >&2
-echo location of your Java installation. >&2
-echo.
-goto error
-
-@REM ==== END VALIDATION ====
-
-:init
-
-@REM Find the project base dir, i.e. the directory that contains the folder ".mvn".
-@REM Fallback to current working directory if not found.
-
-set MAVEN_PROJECTBASEDIR=%MAVEN_BASEDIR%
-IF NOT "%MAVEN_PROJECTBASEDIR%"=="" goto endDetectBaseDir
-
-set EXEC_DIR=%CD%
-set WDIR=%EXEC_DIR%
-:findBaseDir
-IF EXIST "%WDIR%"\.mvn goto baseDirFound
-cd ..
-IF "%WDIR%"=="%CD%" goto baseDirNotFound
-set WDIR=%CD%
-goto findBaseDir
-
-:baseDirFound
-set MAVEN_PROJECTBASEDIR=%WDIR%
-cd "%EXEC_DIR%"
-goto endDetectBaseDir
-
-:baseDirNotFound
-set MAVEN_PROJECTBASEDIR=%EXEC_DIR%
-cd "%EXEC_DIR%"
-
-:endDetectBaseDir
-
-IF NOT EXIST "%MAVEN_PROJECTBASEDIR%\.mvn\jvm.config" goto endReadAdditionalConfig
-
-@setlocal EnableExtensions EnableDelayedExpansion
-for /F "usebackq delims=" %%a in ("%MAVEN_PROJECTBASEDIR%\.mvn\jvm.config") do set JVM_CONFIG_MAVEN_PROPS=!JVM_CONFIG_MAVEN_PROPS! %%a
-@endlocal & set JVM_CONFIG_MAVEN_PROPS=%JVM_CONFIG_MAVEN_PROPS%
-
-:endReadAdditionalConfig
-
-SET MAVEN_JAVA_EXE="%JAVA_HOME%\bin\java.exe"
-set WRAPPER_JAR="%MAVEN_PROJECTBASEDIR%\.mvn\wrapper\maven-wrapper.jar"
-set WRAPPER_LAUNCHER=org.apache.maven.wrapper.MavenWrapperMain
-
-set DOWNLOAD_URL="https://repo.maven.apache.org/maven2/org/apache/maven/wrapper/maven-wrapper/3.1.0/maven-wrapper-3.1.0.jar"
-
-FOR /F "usebackq tokens=1,2 delims==" %%A IN ("%MAVEN_PROJECTBASEDIR%\.mvn\wrapper\maven-wrapper.properties") DO (
-    IF "%%A"=="wrapperUrl" SET DOWNLOAD_URL=%%B
-)
-
-@REM Extension to allow automatically downloading the maven-wrapper.jar from Maven-central
-@REM This allows using the maven wrapper in projects that prohibit checking in binary data.
-if exist %WRAPPER_JAR% (
-    if "%MVNW_VERBOSE%" == "true" (
-        echo Found %WRAPPER_JAR%
-    )
-) else (
-    if not "%MVNW_REPOURL%" == "" (
-        SET DOWNLOAD_URL="%MVNW_REPOURL%/org/apache/maven/wrapper/maven-wrapper/3.1.0/maven-wrapper-3.1.0.jar"
-    )
-    if "%MVNW_VERBOSE%" == "true" (
-        echo Couldn't find %WRAPPER_JAR%, downloading it ...
-        echo Downloading from: %DOWNLOAD_URL%
-    )
-
-    powershell -Command "&{"^
-		"$webclient = new-object System.Net.WebClient;"^
-		"if (-not ([string]::IsNullOrEmpty('%MVNW_USERNAME%') -and [string]::IsNullOrEmpty('%MVNW_PASSWORD%'))) {"^
-		"$webclient.Credentials = new-object System.Net.NetworkCredential('%MVNW_USERNAME%', '%MVNW_PASSWORD%');"^
-		"}"^
-		"[Net.ServicePointManager]::SecurityProtocol = [Net.SecurityProtocolType]::Tls12; $webclient.DownloadFile('%DOWNLOAD_URL%', '%WRAPPER_JAR%')"^
-		"}"
-    if "%MVNW_VERBOSE%" == "true" (
-        echo Finished downloading %WRAPPER_JAR%
-    )
-)
-@REM End of extension
-
-@REM Provide a "standardized" way to retrieve the CLI args that will
-@REM work with both Windows and non-Windows executions.
-set MAVEN_CMD_LINE_ARGS=%*
-
-%MAVEN_JAVA_EXE% ^
-  %JVM_CONFIG_MAVEN_PROPS% ^
-  %MAVEN_OPTS% ^
-  %MAVEN_DEBUG_OPTS% ^
-  -classpath %WRAPPER_JAR% ^
-  "-Dmaven.multiModuleProjectDirectory=%MAVEN_PROJECTBASEDIR%" ^
-  %WRAPPER_LAUNCHER% %MAVEN_CONFIG% %*
-if ERRORLEVEL 1 goto error
-goto end
-
-:error
-set ERROR_CODE=1
-
-:end
-@endlocal & set ERROR_CODE=%ERROR_CODE%
-
-if not "%MAVEN_SKIP_RC%"=="" goto skipRcPost
-@REM check for post script, once with legacy .bat ending and once with .cmd ending
-if exist "%USERPROFILE%\mavenrc_post.bat" call "%USERPROFILE%\mavenrc_post.bat"
-if exist "%USERPROFILE%\mavenrc_post.cmd" call "%USERPROFILE%\mavenrc_post.cmd"
-:skipRcPost
-
-@REM pause the script if MAVEN_BATCH_PAUSE is set to 'on'
-if "%MAVEN_BATCH_PAUSE%"=="on" pause
-
-if "%MAVEN_TERMINATE_CMD%"=="on" exit %ERROR_CODE%
-
-cmd /C exit /B %ERROR_CODE%
+@REM ----------------------------------------------------------------------------

+@REM Licensed to the Apache Software Foundation (ASF) under one

+@REM or more contributor license agreements.  See the NOTICE file

+@REM distributed with this work for additional information

+@REM regarding copyright ownership.  The ASF licenses this file

+@REM to you under the Apache License, Version 2.0 (the

+@REM "License"); you may not use this file except in compliance

+@REM with the License.  You may obtain a copy of the License at

+@REM

+@REM    http://www.apache.org/licenses/LICENSE-2.0

+@REM

+@REM Unless required by applicable law or agreed to in writing,

+@REM software distributed under the License is distributed on an

+@REM "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY

+@REM KIND, either express or implied.  See the License for the

+@REM specific language governing permissions and limitations

+@REM under the License.

+@REM ----------------------------------------------------------------------------

+

+@REM ----------------------------------------------------------------------------

+@REM Apache Maven Wrapper startup batch script, version 3.3.1

+@REM

+@REM Required ENV vars:

+@REM JAVA_HOME - location of a JDK home dir

+@REM

+@REM Optional ENV vars

+@REM MAVEN_BATCH_ECHO - set to 'on' to enable the echoing of the batch commands

+@REM MAVEN_BATCH_PAUSE - set to 'on' to wait for a keystroke before ending

+@REM MAVEN_OPTS - parameters passed to the Java VM when running Maven

+@REM     e.g. to debug Maven itself, use

+@REM set MAVEN_OPTS=-Xdebug -Xrunjdwp:transport=dt_socket,server=y,suspend=y,address=8000

+@REM MAVEN_SKIP_RC - flag to disable loading of mavenrc files

+@REM ----------------------------------------------------------------------------

+

+@REM Begin all REM lines with '@' in case MAVEN_BATCH_ECHO is 'on'

+@echo off

+@REM set title of command window

+title %0

+@REM enable echoing by setting MAVEN_BATCH_ECHO to 'on'

+@if "%MAVEN_BATCH_ECHO%" == "on"  echo %MAVEN_BATCH_ECHO%

+

+@REM set %HOME% to equivalent of $HOME

+if "%HOME%" == "" (set "HOME=%HOMEDRIVE%%HOMEPATH%")

+

+@REM Execute a user defined script before this one

+if not "%MAVEN_SKIP_RC%" == "" goto skipRcPre

+@REM check for pre script, once with legacy .bat ending and once with .cmd ending

+if exist "%USERPROFILE%\mavenrc_pre.bat" call "%USERPROFILE%\mavenrc_pre.bat" %*

+if exist "%USERPROFILE%\mavenrc_pre.cmd" call "%USERPROFILE%\mavenrc_pre.cmd" %*

+:skipRcPre

+

+@setlocal

+

+set ERROR_CODE=0

+

+@REM To isolate internal variables from possible post scripts, we use another setlocal

+@setlocal

+

+@REM ==== START VALIDATION ====

+if not "%JAVA_HOME%" == "" goto OkJHome

+

+echo. >&2

+echo Error: JAVA_HOME not found in your environment. >&2

+echo Please set the JAVA_HOME variable in your environment to match the >&2

+echo location of your Java installation. >&2

+echo. >&2

+goto error

+

+:OkJHome

+if exist "%JAVA_HOME%\bin\java.exe" goto init

+

+echo. >&2

+echo Error: JAVA_HOME is set to an invalid directory. >&2

+echo JAVA_HOME = "%JAVA_HOME%" >&2

+echo Please set the JAVA_HOME variable in your environment to match the >&2

+echo location of your Java installation. >&2

+echo. >&2

+goto error

+

+@REM ==== END VALIDATION ====

+

+:init

+

+@REM Find the project base dir, i.e. the directory that contains the folder ".mvn".

+@REM Fallback to current working directory if not found.

+

+set MAVEN_PROJECTBASEDIR=%MAVEN_BASEDIR%

+IF NOT "%MAVEN_PROJECTBASEDIR%"=="" goto endDetectBaseDir

+

+set EXEC_DIR=%CD%

+set WDIR=%EXEC_DIR%

+:findBaseDir

+IF EXIST "%WDIR%"\.mvn goto baseDirFound

+cd ..

+IF "%WDIR%"=="%CD%" goto baseDirNotFound

+set WDIR=%CD%

+goto findBaseDir

+

+:baseDirFound

+set MAVEN_PROJECTBASEDIR=%WDIR%

+cd "%EXEC_DIR%"

+goto endDetectBaseDir

+

+:baseDirNotFound

+set MAVEN_PROJECTBASEDIR=%EXEC_DIR%

+cd "%EXEC_DIR%"

+

+:endDetectBaseDir

+

+IF NOT EXIST "%MAVEN_PROJECTBASEDIR%\.mvn\jvm.config" goto endReadAdditionalConfig

+

+@setlocal EnableExtensions EnableDelayedExpansion

+for /F "usebackq delims=" %%a in ("%MAVEN_PROJECTBASEDIR%\.mvn\jvm.config") do set JVM_CONFIG_MAVEN_PROPS=!JVM_CONFIG_MAVEN_PROPS! %%a

+@endlocal & set JVM_CONFIG_MAVEN_PROPS=%JVM_CONFIG_MAVEN_PROPS%

+

+:endReadAdditionalConfig

+

+SET MAVEN_JAVA_EXE="%JAVA_HOME%\bin\java.exe"

+set WRAPPER_JAR="%MAVEN_PROJECTBASEDIR%\.mvn\wrapper\maven-wrapper.jar"

+set WRAPPER_LAUNCHER=org.apache.maven.wrapper.MavenWrapperMain

+

+set WRAPPER_URL="https://repo.maven.apache.org/maven2/org/apache/maven/wrapper/maven-wrapper/3.3.1/maven-wrapper-3.3.1.jar"

+

+FOR /F "usebackq tokens=1,2 delims==" %%A IN ("%MAVEN_PROJECTBASEDIR%\.mvn\wrapper\maven-wrapper.properties") DO (

+    IF "%%A"=="wrapperUrl" SET WRAPPER_URL=%%B

+)

+

+@REM Extension to allow automatically downloading the maven-wrapper.jar from Maven-central

+@REM This allows using the maven wrapper in projects that prohibit checking in binary data.

+if exist %WRAPPER_JAR% (

+    if "%MVNW_VERBOSE%" == "true" (

+        echo Found %WRAPPER_JAR%

+    )

+) else (

+    if not "%MVNW_REPOURL%" == "" (

+        SET WRAPPER_URL="%MVNW_REPOURL%/org/apache/maven/wrapper/maven-wrapper/3.3.1/maven-wrapper-3.3.1.jar"

+    )

+    if "%MVNW_VERBOSE%" == "true" (

+        echo Couldn't find %WRAPPER_JAR%, downloading it ...

+        echo Downloading from: %WRAPPER_URL%

+    )

+

+    powershell -Command "&{"^

+		"$webclient = new-object System.Net.WebClient;"^

+		"if (-not ([string]::IsNullOrEmpty('%MVNW_USERNAME%') -and [string]::IsNullOrEmpty('%MVNW_PASSWORD%'))) {"^

+		"$webclient.Credentials = new-object System.Net.NetworkCredential('%MVNW_USERNAME%', '%MVNW_PASSWORD%');"^

+		"}"^

+		"[Net.ServicePointManager]::SecurityProtocol = [Net.SecurityProtocolType]::Tls12; $webclient.DownloadFile('%WRAPPER_URL%', '%WRAPPER_JAR%')"^

+		"}"

+    if "%MVNW_VERBOSE%" == "true" (

+        echo Finished downloading %WRAPPER_JAR%

+    )

+)

+@REM End of extension

+

+@REM If specified, validate the SHA-256 sum of the Maven wrapper jar file

+SET WRAPPER_SHA_256_SUM=""

+FOR /F "usebackq tokens=1,2 delims==" %%A IN ("%MAVEN_PROJECTBASEDIR%\.mvn\wrapper\maven-wrapper.properties") DO (

+    IF "%%A"=="wrapperSha256Sum" SET WRAPPER_SHA_256_SUM=%%B

+)

+IF NOT %WRAPPER_SHA_256_SUM%=="" (

+    powershell -Command "&{"^

+       "Import-Module $PSHOME\Modules\Microsoft.PowerShell.Utility -Function Get-FileHash;"^

+       "$hash = (Get-FileHash \"%WRAPPER_JAR%\" -Algorithm SHA256).Hash.ToLower();"^

+       "If('%WRAPPER_SHA_256_SUM%' -ne $hash){"^

+       "  Write-Error 'Error: Failed to validate Maven wrapper SHA-256, your Maven wrapper might be compromised.';"^

+       "  Write-Error 'Investigate or delete %WRAPPER_JAR% to attempt a clean download.';"^

+       "  Write-Error 'If you updated your Maven version, you need to update the specified wrapperSha256Sum property.';"^

+       "  exit 1;"^

+       "}"^

+       "}"

+    if ERRORLEVEL 1 goto error

+)

+

+@REM Provide a "standardized" way to retrieve the CLI args that will

+@REM work with both Windows and non-Windows executions.

+set MAVEN_CMD_LINE_ARGS=%*

+

+%MAVEN_JAVA_EXE% ^

+  %JVM_CONFIG_MAVEN_PROPS% ^

+  %MAVEN_OPTS% ^

+  %MAVEN_DEBUG_OPTS% ^

+  -classpath %WRAPPER_JAR% ^

+  "-Dmaven.multiModuleProjectDirectory=%MAVEN_PROJECTBASEDIR%" ^

+  %WRAPPER_LAUNCHER% %MAVEN_CONFIG% %*

+if ERRORLEVEL 1 goto error

+goto end

+

+:error

+set ERROR_CODE=1

+

+:end

+@endlocal & set ERROR_CODE=%ERROR_CODE%

+

+if not "%MAVEN_SKIP_RC%"=="" goto skipRcPost

+@REM check for post script, once with legacy .bat ending and once with .cmd ending

+if exist "%USERPROFILE%\mavenrc_post.bat" call "%USERPROFILE%\mavenrc_post.bat"

+if exist "%USERPROFILE%\mavenrc_post.cmd" call "%USERPROFILE%\mavenrc_post.cmd"

+:skipRcPost

+

+@REM pause the script if MAVEN_BATCH_PAUSE is set to 'on'

+if "%MAVEN_BATCH_PAUSE%"=="on" pause

+

+if "%MAVEN_TERMINATE_CMD%"=="on" exit %ERROR_CODE%

+

+cmd /C exit /B %ERROR_CODE%