dist: focal

language: java

matrix:
  include:
  - env:
    - JDK_VERSION=8
  - env:
    - JDK_VERSION=11
  - env:
    - JDK_VERSION=17

before_install:
  - "[[ -d $HOME/.sdkman/ ]] && [[ -d $HOME/.sdkman/bin/ ]] || rm -rf $HOME/.sdkman/"
  - curl -s "https://get.sdkman.io" | bash
  - mkdir -p "$HOME/.sdkman/etc/"
  - echo sdkman_auto_answer=true > "$HOME/.sdkman/etc/config"
  - echo sdkman_auto_selfupdate=true >> "$HOME/.sdkman/etc/config"
  - source "$HOME/.sdkman/bin/sdkman-init.sh"

install:
  - sdk install java $(sdk list java | grep -o "$JDK_VERSION\.[0-9]*\.[0-9]*\-open" | head -1)
  - sdk install maven
  - export JAVA_HOME="$HOME/.sdkman/candidates/java/current"
  - export PATH=${JAVA_HOME}/bin:${PATH}
  - export MAVEN_HOME="$HOME/.sdkman/candidates/maven/current"
  - export M2_HOME="$MAVEN_HOME"
  - export PATH=${M2_HOME}/bin:${PATH}
  - env
  - mvn -v

cache:
  directories:
    - $HOME/.m2/repository