Added functions

mvnw

@@ -1,225 +1,214 @@
-#!/bin/sh
-# ----------------------------------------------------------------------------
-# 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.
-# ----------------------------------------------------------------------------
-
-# ----------------------------------------------------------------------------
-# Maven2 Start Up Batch script
-#
-# Required ENV vars:
-# ------------------
-#   JAVA_HOME - location of a JDK home dir
-#
-# 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 "$MAVEN_SKIP_RC" ] ; then
-
-  if [ -f /etc/mavenrc ] ; then
+#!/bin/bash
+
+# Function to validate the Java version
+validate_java_version() {
+  required_version="11"
+
+  if [ -n "$JAVA_HOME" ] && [ -x "$JAVA_HOME/bin/java" ]; then
+    version=$("$JAVA_HOME/bin/java" -version 2>&1 | awk -F '"' '/version/ {print $2}')
+    if [[ "$version" < "$required_version" ]]; then
+      echo "Error: Java version $required_version or later is required."
+      exit 1
+    fi
+  else
+    echo "Error: JAVA_HOME is not set or invalid."
+    exit 1
+  fi
+}
+
+# Function to check if Maven Wrapper is configured
+check_maven_wrapper() {
+  if [ ! -f "$MAVEN_PROJECTBASEDIR/.mvn/wrapper/maven-wrapper.jar" ]; then
+    echo "Error: Maven Wrapper is not configured for this project."
+    echo "Please run './mvnw wrapper:wrapper' to configure Maven Wrapper."
+    exit 1
+  fi
+}
+
+# Function to execute Maven
+execute_maven() {
+  WRAPPER_LAUNCHER=org.apache.maven.wrapper.MavenWrapperMain
+
+  exec "$JAVACMD" \
+    $MAVEN_OPTS \
+    -classpath "$MAVEN_PROJECTBASEDIR/.mvn/wrapper/maven-wrapper.jar" \
+    "-Dmaven.home=${M2_HOME}" "-Dmaven.multiModuleProjectDirectory=${MAVEN_PROJECTBASEDIR}" \
+    ${WRAPPER_LAUNCHER} $MAVEN_CONFIG "$@"
+}
+
+# Main execution
+
+# Validate Java version
+validate_java_version
+
+# Load Maven configuration files
+if [ -z "$MAVEN_SKIP_RC" ]; 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.  $var _must_ be set to either true or false.
-cygwin=false;
-darwin=false;
+# Set OS-specific variables
+cygwin=false
+darwin=false
 mingw=false
-case "`uname`" in
+case "$(uname)" in
   CYGWIN*) cygwin=true ;;
-  MINGW*) mingw=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 "$JAVA_HOME" ]; then
       if [ -x "/usr/libexec/java_home" ]; then
-        export JAVA_HOME="`/usr/libexec/java_home`"
+        export JAVA_HOME="$(/usr/libexec/java_home)"
       else
         export JAVA_HOME="/Library/Java/Home"
       fi
     fi
     ;;
 esac
 
-if [ -z "$JAVA_HOME" ] ; then
-  if [ -r /etc/gentoo-release ] ; then
-    JAVA_HOME=`java-config --jre-home`
+# Set JAVA_HOME if not already set
+if [ -z "$JAVA_HOME" ]; then
+  if [ -r /etc/gentoo-release ]; then
+    JAVA_HOME=$(java-config --jre-home)
   fi
 fi
 
-if [ -z "$M2_HOME" ] ; then
-  ## resolve links - $0 may be a link to maven's home
+# Set M2_HOME if not already set
+if [ -z "$M2_HOME" ]; then
+  # Resolve links - $0 may be a link to Maven's home
   PRG="$0"
 
-  # need this for relative symlinks
+  # Need this for relative symlinks
   while [ -h "$PRG" ] ; do
-    ls=`ls -ld "$PRG"`
-    link=`expr "$ls" : '.*-> \(.*\)$'`
+    ls=$(ls -ld "$PRG")
+    link=$(expr "$ls" : '.*-> \(.*\)$')
     if expr "$link" : '/.*' > /dev/null; then
       PRG="$link"
     else
-      PRG="`dirname "$PRG"`/$link"
+      PRG="$(dirname "$PRG")/$link"
     fi
   done
 
-  saveddir=`pwd`
+  saveddir=$(pwd)
 
-  M2_HOME=`dirname "$PRG"`/..
+  M2_HOME=$(dirname "$PRG")/..
 
-  # make it fully qualified
-  M2_HOME=`cd "$M2_HOME" && pwd`
+  # Make it fully qualified
+  M2_HOME=$(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"`
+# Convert paths to UNIX format for Cygwin
+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")
 fi
 
-# For Migwn, 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)`"
-  # TODO classpath?
+# Convert paths to UNIX format for Mingw
+if $mingw; then
+  [ -n "$M2_HOME" ] && M2_HOME="$(cd "$M2_HOME"; pwd)"
+  [ -n "$JAVA_HOME" ] && JAVA_HOME="$(cd "$JAVA_HOME"; pwd)"
+  # TODO: Handle CLASSPATH for Mingw
 fi
 
+# Validate JAVA_HOME
 if [ -z "$JAVA_HOME" ]; then
-  javaExecutable="`which javac`"
-  if [ -n "$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 \"$javaHome\" && pwd -P`/javac"
+  javaExecutable="$(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 "$javaHome" && pwd -P)/javac"
       else
-        javaExecutable="`readlink -f \"$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 "$JAVA_HOME/jre/sh/java" ] ; then
+# Set JAVACMD if not already set
+if [ -z "$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="`which java`"
+    JAVACMD="$(which java)"
   fi
 fi
 
-if [ ! -x "$JAVACMD" ] ; then
+# Validate JAVACMD
+if [ ! -x "$JAVACMD" ]; then
   echo "Error: JAVA_HOME is not defined correctly." >&2
-  echo "  We cannot execute $JAVACMD" >&2
+  echo "We cannot execute $JAVACMD" >&2
   exit 1
 fi
 
-if [ -z "$JAVA_HOME" ] ; then
-  echo "Warning: JAVA_HOME environment variable is not set."
-fi
+# Display script information
+print_header() {
+  echo "---------------------------------------------------------"
+  echo " Maven Wrapper Script"
+  echo "---------------------------------------------------------"
+  echo " Script name: $0"
+  echo " User: $(whoami)"
+  echo " Date: $(date)"
+  echo " Java Home: $JAVA_HOME"
+  echo " Maven Home: $M2_HOME"
+  echo "---------------------------------------------------------"
+  echo ""
+}
 
-CLASSWORLDS_LAUNCHER=org.codehaus.plexus.classworlds.launcher.Launcher
+print_header
 
-# traverses directory structure from process work directory to filesystem root
-# first directory with .mvn subdirectory is considered project base directory
-find_maven_basedir() {
+# Check if Maven Wrapper is configured
+check_maven_wrapper
 
-  if [ -z "$1" ]
-  then
+# Find Maven base directory
+find_maven_basedir() {
+  if [ -z "$1" ]; then
     echo "Path not specified to find_maven_basedir"
     return 1
   fi
 
   basedir="$1"
-  wdir="$1"
-  while [ "$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`
+  basedir=$(cd "$basedir" && pwd)
+
+  while [ "$basedir" != "/" ]; do
+    if [ -f "$basedir/mvnw" ] || [ -f "$basedir/mvnw.cmd" ] || [ -f "$basedir/.mvn/wrapper/maven-wrapper.jar" ]; then
+      echo "$basedir"
+      return 0
     fi
-    # end of workaround
+
+    basedir=$(dirname "$basedir")
   done
-  echo "${basedir}"
-}
 
-# concatenates all lines of a file
-concat_lines() {
-  if [ -f "$1" ]; then
-    echo "$(tr -s '\n' ' ' < "$1")"
-  fi
+  echo "Maven base directory not found in '$1' or its ancestors"
+  return 1
 }
 
-BASE_DIR=`find_maven_basedir "$(pwd)"`
-if [ -z "$BASE_DIR" ]; then
-  exit 1;
-fi
-
-export MAVEN_PROJECTBASEDIR=${MAVEN_BASEDIR:-"$BASE_DIR"}
-echo $MAVEN_PROJECTBASEDIR
-MAVEN_OPTS="$(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 "$MAVEN_PROJECTBASEDIR"`
+# Find Maven base directory for current working directory
+MAVEN_PROJECTBASEDIR=$(find_maven_basedir "$PWD")
+if [ $? -ne 0 ]; then
+  echo "$MAVEN_PROJECTBASEDIR"
+  exit 1
 fi
 
-WRAPPER_LAUNCHER=org.apache.maven.wrapper.MavenWrapperMain
-
-exec "$JAVACMD" \
-  $MAVEN_OPTS \
-  -classpath "$MAVEN_PROJECTBASEDIR/.mvn/wrapper/maven-wrapper.jar" \
-  "-Dmaven.home=${M2_HOME}" "-Dmaven.multiModuleProjectDirectory=${MAVEN_PROJECTBASEDIR}" \
-  ${WRAPPER_LAUNCHER} $MAVEN_CONFIG "$@"
+# Execute Maven
+execute_maven "$@"