name: Java CI

on:
  push:
    branches:
    - master
    paths:
    - 'src/**'
    - 'pom.xml'
  pull_request:
    paths:
    - '.github/workflows/**'
    - 'src/**'
    - 'pom.xml'
    - 'CHANGELOG.md'

permissions:
  contents: read

jobs:
  build:

    name: Maven build
    runs-on: ubuntu-latest

    steps:
    - name: Checkout repository
      uses: actions/checkout@v3

    - name: Set up JDK 17
      uses: actions/setup-java@v3.12.0
      with:
        distribution: 'adopt'
        java-version: '17'
        java-package: jdk
        architecture: x64

    - name: Cache Maven packages
      uses: actions/cache@v3
      with:
        path: ~/.m2
        key: ${{ runner.os }}-m2-${{ hashFiles('**/pom.xml') }}
        restore-keys: ${{ runner.os }}-m2

    - name: Build with Maven
      run: mvn package --file pom.xml