code_analysis.yml

name: Code Analysis

on:
  workflow_dispatch:
  pull_request:
    branches: [main]
    paths-ignore:
      - "**.md"
      - "docs/**"

jobs:
  is_java_project:
    runs-on: ubuntu-latest
    outputs:
      pom_exists: ${{ steps.check_files.outputs.files_exists }}
      checkstyle_active: ${{ steps.check_checkstyle.outputs.checkstyle_active }}
      spotbugs_active: ${{ steps.check_spotbugs.outputs.spotbugs_active }}
    steps:
      - name: Checkout code
        uses: actions/checkout@v3
      - name: Check file existence
        id: check_files
        uses: andstor/file-existence-action@v2
        with:
          files: "pom.xml"
      - name: check_checkstyle
        id: check_checkstyle
        run: echo "checkstyle_active=$(if grep -q "<artifactId>maven-checkstyle-plugin</artifactId>" pom.xml; then echo "true"; else echo "false"; fi)" >> $GITHUB_OUTPUT
      - name: check_spotbugs
        id: check_spotbugs
        run: echo "spotbugs_active=$(if grep -q "<artifactId>spotbugs-maven-plugin</artifactId>" pom.xml; then echo "true"; else echo "false"; fi)" >> $GITHUB_OUTPUT
  run_checkstyle:
    needs: [is_java_project]
    if: needs.is_java_project.outputs.pom_exists == 'true' && needs.is_java_project.outputs.checkstyle_active == 'true'
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v3
      - name: Set up JDK ${{ matrix.java }}
        uses: actions/setup-java@v3
        with:
          distribution: "temurin"
          java-version: "17"
          cache: "maven"
      - name: Run style checks
        run: mvn -B checkstyle:check --file pom.xml
  run_spotbugs:
    needs: [is_java_project]
    if: needs.is_java_project.outputs.pom_exists == 'true' && needs.is_java_project.outputs.spotbugs_active == 'true'
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v3
      - name: Set up JDK ${{ matrix.java }}
        uses: actions/setup-java@v3
        with:
          distribution: "temurin"
          java-version: "17"
          cache: "maven"
      - name: Run static code analysis
        run: mvn -B compile spotbugs:check --file pom.xml