Java: Add OpenFeature provider

.github/workflows/ci.yml

@@ -6,6 +6,9 @@ on:
   pull_request:
     branches: [ master ]
 
+permissions:
+  contents: read
+
 jobs:
   test:
     runs-on: ubuntu-latest
@@ -15,16 +18,16 @@ jobs:
 
     steps:
     - name: Checkout code
-      uses: actions/checkout@v4
+      uses: actions/checkout@34e114876b0b11c390a56381ad16ebd13914f8d5 # v4
 
     - name: Set up JDK ${{ matrix.java-version }}
-      uses: actions/setup-java@v4
+      uses: actions/setup-java@c1e323688fd81a25caa38c78aa6df2d33d3e20d9 # v4
       with:
         java-version: ${{ matrix.java-version }}
         distribution: 'temurin'
 
     - name: Cache Maven dependencies
-      uses: actions/cache@v4
+      uses: actions/cache@0057852bfaa89a56745cba8c7296529d2fc39830 # v4
       with:
         path: ~/.m2/repository
         key: ${{ runner.os }}-maven-${{ hashFiles('**/pom.xml') }}
@@ -42,26 +45,63 @@ jobs:
 
     - name: Upload test results
       if: always()
-      uses: actions/upload-artifact@v4
+      uses: actions/upload-artifact@ea165f8d65b6e75b540449e92b4886f43607fa02 # v4
       with:
         name: test-results-java-${{ matrix.java-version }}
         path: target/surefire-reports/
 
+  test-openfeature-provider:
+    runs-on: ubuntu-latest
+    strategy:
+      matrix:
+        java-version: ['11', '17', '21']
+
+    steps:
+    - name: Checkout code
+      uses: actions/checkout@34e114876b0b11c390a56381ad16ebd13914f8d5 # v4
+
+    - name: Set up JDK ${{ matrix.java-version }}
+      uses: actions/setup-java@c1e323688fd81a25caa38c78aa6df2d33d3e20d9 # v4
+      with:
+        java-version: ${{ matrix.java-version }}
+        distribution: 'temurin'
+
+    - name: Cache Maven dependencies
+      uses: actions/cache@0057852bfaa89a56745cba8c7296529d2fc39830 # v4
+      with:
+        path: ~/.m2/repository
+        key: ${{ runner.os }}-maven-${{ hashFiles('**/pom.xml') }}
+        restore-keys: |
+          ${{ runner.os }}-maven-
+
+    - name: Install core library to local Maven repository
+      run: mvn install -DskipTests -Dgpg.skip=true
+
+    - name: Run OpenFeature provider tests
+      run: cd openfeature-provider && mvn clean test
+
+    - name: Upload test results
+      if: always()
+      uses: actions/upload-artifact@ea165f8d65b6e75b540449e92b4886f43607fa02 # v4
+      with:
+        name: openfeature-test-results-java-${{ matrix.java-version }}
+        path: openfeature-provider/target/surefire-reports/
+
   code-quality:
     runs-on: ubuntu-latest
 
     steps:
     - name: Checkout code
-      uses: actions/checkout@v4
+      uses: actions/checkout@34e114876b0b11c390a56381ad16ebd13914f8d5 # v4
 
     - name: Set up JDK 8
-      uses: actions/setup-java@v4
+      uses: actions/setup-java@c1e323688fd81a25caa38c78aa6df2d33d3e20d9 # v4
       with:
         java-version: '8'
         distribution: 'temurin'
 
     - name: Cache Maven dependencies
-      uses: actions/cache@v4
+      uses: actions/cache@0057852bfaa89a56745cba8c7296529d2fc39830 # v4
       with:
         path: ~/.m2/repository
         key: ${{ runner.os }}-maven-${{ hashFiles('**/pom.xml') }}

.github/workflows/release-openfeature.yml

@@ -0,0 +1,107 @@
+name: Release OpenFeature Provider to Maven Central
+
+on:
+  workflow_dispatch:
+    inputs:
+      version:
+        description: 'Version to release (e.g., 0.1.0)'
+        required: true
+        type: string
+
+jobs:
+  release:
+    runs-on: ubuntu-latest
+    outputs:
+      version: ${{ steps.set-version.outputs.version }}
+
+    steps:
+    - name: Checkout code
+      uses: actions/checkout@v4
+
+    - name: Set up JDK 8
+      uses: actions/setup-java@v4
+      with:
+        java-version: '8'
+        distribution: 'temurin'
+
+    - name: Cache Maven dependencies
+      uses: actions/cache@v4
+      with:
+        path: ~/.m2/repository
+        key: ${{ runner.os }}-maven-${{ hashFiles('**/pom.xml') }}
+        restore-keys: |
+          ${{ runner.os }}-maven-
+
+    - name: Import GPG key
+      env:
+        GPG_PRIVATE_KEY: ${{ secrets.GPG_PRIVATE_KEY }}
+        GPG_PASSPHRASE: ${{ secrets.GPG_PASSPHRASE }}
+      run: |
+        echo "$GPG_PRIVATE_KEY" | base64 --decode | gpg --batch --import
+        echo "allow-preset-passphrase" >> ~/.gnupg/gpg-agent.conf
+        echo "pinentry-mode loopback" >> ~/.gnupg/gpg.conf
+        gpg --list-secret-keys --keyid-format LONG
+
+    - name: Configure Maven settings
+      env:
+        MAVEN_CENTRAL_USERNAME: ${{ secrets.MAVEN_CENTRAL_USERNAME }}
+        MAVEN_CENTRAL_TOKEN: ${{ secrets.MAVEN_CENTRAL_TOKEN }}
+      run: |
+        mkdir -p ~/.m2
+        cat > ~/.m2/settings.xml << EOF
+        <settings>
+          <servers>
+            <server>
+              <id>central</id>
+              <username>${MAVEN_CENTRAL_USERNAME}</username>
+              <password>${MAVEN_CENTRAL_TOKEN}</password>
+            </server>
+          </servers>
+        </settings>
+        EOF
+
+    - name: Set version
+      id: set-version
+      run: |
+        VERSION=${{ github.event.inputs.version }}
+        echo "VERSION=$VERSION" >> $GITHUB_ENV
+        echo "version=$VERSION" >> $GITHUB_OUTPUT
+        cd openfeature-provider
+        mvn versions:set -DnewVersion=$VERSION -DgenerateBackupPoms=false
+
+    - name: Build and install Main SDK locally
+      run: mvn clean install -DskipTests -Dgpg.skip=true
+
+    - name: Run tests - OpenFeature Provider
+      run: |
+        cd openfeature-provider
+        mvn clean test
+
+    - name: Deploy OpenFeature Provider to Maven Central
+      env:
+        GPG_PASSPHRASE: ${{ secrets.GPG_PASSPHRASE }}
+      run: |
+        cd openfeature-provider
+        mvn clean deploy -Dgpg.passphrase=$GPG_PASSPHRASE
+
+  verify:
+    needs: release
+    runs-on: ubuntu-latest
+    if: success()
+
+    steps:
+    - name: Wait for Maven Central sync
+      run: sleep 300  # Wait 5 minutes for synchronization
+
+    - name: Verify artifact on Maven Central
+      run: |
+        VERSION=${{ needs.release.outputs.version }}
+
+        RESPONSE=$(curl -s -o /dev/null -w "%{http_code}" https://repo1.maven.org/maven2/com/mixpanel/mixpanel-java-openfeature/${VERSION}/mixpanel-java-openfeature-${VERSION}.jar)
+        if [ $RESPONSE -eq 200 ]; then
+          echo "✅ OpenFeature Provider successfully published to Maven Central"
+        else
+          echo "⚠️ OpenFeature Provider not yet available on Maven Central (HTTP $RESPONSE)"
+        fi
+
+        echo "Note: Artifacts may take up to 30 minutes to appear on Maven Central"