.zsh_aliases

.zsh_aliases

# Mac

# JAVA 11 LTS
JDK11=/Library/Java/JavaVirtualMachines/temurin-11.jdk/Contents/Home

# JAVA 17 LTS
JDK17=/Library/Java/JavaVirtualMachines/temurin-17.jdk/Contents/Home

##############################################
# maven aliases
##############################################
      
alias m=searchAutomaticJavaForMaven
alias mm="m clean install"
  
if [ ! -z "$JDK11" ]; then
  alias m11="JAVA_HOME=$JDK11 mvn"
  alias mm11="m11 clean install"
else  
  alias m11="echo No Java 11 JRE detected. Run 'source ~/.zsh_aliases' if installed."
  alias mm11="m11"
fi
      
if [ ! -z "$JDK17" ]; then
  alias m17="JAVA_HOME=$JDK17 mvn"
  alias mm17="m17 clean install"
else
  alias m17="echo No Java 17 JRE detected. Run 'source ~/.zsh_aliases' if installed."
  alias mm17="m17"
fi


getPomProperty() {
  local version=$(getPomXPath "/*/*[local-name()='properties']/*[local-name()='$1']/text()" "$2")
  version=$(resolvePomProperty "$version" "$2")
  echo "$version"
}

resolvePomProperty() {
  local version="$1"
  if [[ "$version" =~ ^\$\{.*\} ]] ; then
    # https://stackoverflow.com/questions/428109/extract-substring-in-bash
    [[ ${version} =~ ^\$\{(.*)\} ]] && propertyValue=${BASH_REMATCH[1]}
    version=$(getPomProperty "$propertyValue" "$2")
  fi
  echo "$version"
}

getPomXPath() {
  local version=$(xmllint --xpath "$1" $2 2>/dev/null)
  version=$(resolvePomProperty "$version" "$2")
  echo "$version"
}

detectJavaVersionForMaven() 
{
	
  # first check the new way of defining release in maven compiler plugin
  VERSION=$(getPomXPath "//*[local-name()='artifactId' and text()='maven-compiler-plugin']/..//*[local-name()='configuration']/*[local-name()='release']/text()" "$1")

  if [ -n "$VERSION" ]; then
    if [[ "$VERSION" == *"}" ]]; then
       unset VERSION
    fi
  fi

  if [ -z "$VERSION" ]; then
      VERSION=$(getPomProperty "maven.compiler.release" "$1")
  fi

  # check the old way of defining release in maven compiler plugin
  if [ -z "$VERSION" ]; then
      VERSION=$(getPomXPath "//*[local-name()='artifactId' and text()='maven-compiler-plugin']/..//*[local-name()='configuration']/*[local-name()='target']/text()" "$1")
  fi

  if [ -n "$VERSION" ]; then
    if [[ "$VERSION" == *"}" ]]; then
       unset VERSION
    fi
  fi

  # https://maven.apache.org/plugins/maven-compiler-plugin/examples/set-compiler-source-and-target.html
  if [ -z "$VERSION" ]; then
      VERSION=$(getPomProperty "maven.compiler.target" "$1")
  fi

  # check for Spring-related property
  if [ -z "$VERSION" ]; then
    VERSION=$(getPomProperty "java.version" "$1")
  fi

  echo "$VERSION"
}


runAutomaticJavaForMaven() {
  local VERSION=$1
  local SOURCE=$2
  shift 2 # remove 2 arguments

  if [ "$VERSION" = '1.8' ] || [ "$VERSION" = '8' ]; then
      echo "Running Maven project at source level 8 with Java 11.."
      m11 "$@"
  elif [ "$VERSION" = '9' ]; then
      echo "Running Maven project at source level 9 with Java 11.."
      m11 "$@"
  elif [ "$VERSION" = '10' ]; then
      echo "Running Maven project at source level 10 with Java 11.."
      m11 "$@"
  elif [ "$VERSION" = '11' ]; then
      echo "Running Maven with Java 11.."
      m11 "$@"
  elif [ "$VERSION" = '12' ]; then
      echo "Running Maven project at source level 12 with Java 17.."
      m17 "$@"
  elif [ "$VERSION" = '13' ]; then
      echo "Running Maven project at source level 13 with Java 17.."
      m17 "$@"
  elif [ "$VERSION" = '14' ]; then
      echo "Running Maven project at source level 14 with Java 17.."
      m17 "$@"
  elif [ "$VERSION" = '15' ]; then
      echo "Running Maven project at source level 15 with Java 17.."
      m17 "$@"
  elif [ "$VERSION" = '16' ]; then
      echo "Running Maven project at source level 16 with Java 17.."
      m17 "$@"
  elif [ "$VERSION" = '17' ]; then
      echo "Running Maven with Java 17.."
      m17 "$@"
  else
      echo "Unable parse Java version $VERSION from $SOURCE, running with default."
      mvn "$@"
  fi
}

searchAutomaticJavaForMaven () {
  local cpath=$(pwd)
  while true; do
    local VERSION=""
    if [ -f "$cpath/pom.xml" ]; then
      # check the pom for a versionkill
      VERSION=$(detectJavaVersionForMaven "$cpath/pom.xml")
    fi

    if [ -n "$VERSION" ]; then
      runAutomaticJavaForMaven "$VERSION" "$cpath/pom.xml" "$@"
      break
    fi

    local nextPath=${cpath%/*}
    if [[ -d "$cpath/.git" ]] || [[ "$nextPath" == "" ]] || [[ "$nextPath" == "$cpath" ]]; then
      echo "Unable to autodetect Java version in pom, running with default."
      mvn "$@" 
      break
    fi

    cpath="$nextPath"
  done
}

alias test="echo $PATH"
alias m="searchAutomaticJavaForMaven"
alias mm="m clean install"

if [ ! -z "$JDK11" ]; then
  alias m11="JAVA_HOME=$JDK11 mvn"
  alias mm11="m11 clean install"
else
  alias m11="echo No Java 11 JRE detected. Run 'source ~/.zsh_aliases' if installed."
  alias mm11="m11"  
fi

if [ ! -z "$JDK17" ]; then
  alias m17="JAVA_HOME=$JDK17 mvn"
  alias mm17="m17 clean install"
else
  alias m17="echo No Java 17 JRE detected. Run 'source ~/.zsh_aliases' if installed."
  alias mm17="m17"  
fi

##############################################
# gradle aliases
##############################################

defaultArgument="--stacktrace"

alias w="./gradlew $defaultArgument"
alias ww="./gradlew build $defaultArgument"
alias wwi="./gradlew build --info $defaultArgument"

if [ ! -z "$JDK11" ]; then
  alias w11="JAVA_HOME=$JDK11 ./gradlew $defaultArgument"
  alias w11i="JAVA_HOME=$JDK11 ./gradlew --info $defaultArgument"
  alias ww11="JAVA_HOME=$JDK11 ./gradlew build $defaultArgument"
  alias ww11i="JAVA_HOME=$JDK11 ./gradlew build --info $defaultArgument"
else
  alias w11="echo No Java 11 JRE detected. Run 'source ~/.zsh_aliases' if installed."
  alias w11i="w11"
  alias ww11="w11" 
  alias ww11i="w11"
fi

if [ ! -z "$JDK17" ]; then
 alias w17="JAVA_HOME=$JDK17 ./gradlew $defaultArgument"
 alias w17i="JAVA_HOME=$JDK17 ./gradlew --info $defaultArgument"
 alias ww17="JAVA_HOME=$JDK17 ./gradlew build $defaultArgument"
 alias ww17i="JAVA_HOME=$JDK17 ./gradlew build --info $defaultArgument"
else
  alias w17="echo No Java 17 JRE detected. Run 'source ~/.zsh_aliases' if installed."
  alias w17i="w17"  
  alias ww17="w17"  
  alias ww17i="w17"  
fi

Add source ~/.zsh_aliases to .zshrc