Add: Java APIを作成

.github/workflows/generate_document.yml

@@ -20,6 +20,11 @@ jobs:
         uses: actions/setup-python@v4
         with:
           python-version: "3.8"
+      - name: Setup Java
+        uses: actions/setup-java@v2
+        with:
+          java-version: "11"
+          distribution: "adopt"
       - name: Install cargo-binstall
         uses: taiki-e/install-action@cargo-binstall
       - name: Create a venv
@@ -42,8 +47,14 @@ jobs:
           maturin develop --manifest-path ./crates/voicevox_core_python_api/Cargo.toml --locked
       - name: Generate Sphinx document
         run: sphinx-build docs/apis/python_api public/apis/python_api
+      - name: Generate Javadoc
+        run: |
+          (cd crates/voicevox_core_java_api && ./gradlew javadoc)
+          mkdir -p public/apis/java_api
+          cp -r crates/voicevox_core_java_api/lib/build/docs/javadoc/* public/apis/java_api
       - name: Uplaod api document
         uses: actions/upload-pages-artifact@v1
+        if: ${{ github.ref_name == 'main' }}
         with:
           path: public
   deploy_api_github_pages:

.github/workflows/test.yml

@@ -283,3 +283,51 @@ jobs:
 
           pip install -r requirements-test.txt
           pytest
+  build-and-test-java-api:
+    strategy:
+      fail-fast: false
+      matrix:
+        include:
+          - os: windows-latest
+          - os: macos-latest
+          - os: ubuntu-latest
+    runs-on: ${{ matrix.os }}
+    steps:
+      - uses: actions/checkout@v3
+      - name: Set up Rust
+        uses: ./.github/actions/rust-toolchain-from-file
+      - name: Set up Java
+        uses: actions/setup-java@v2
+        with:
+          java-version: "11"
+          distribution: "adopt"
+      - name: Build
+        run: |
+          cargo build -p voicevox_core_java_api -vv
+          cargo build -p test_util -vv
+      - name: 必要なDLLをコピーしてテストを実行
+        working-directory: crates/voicevox_core_java_api
+        run: |
+          OS=$(tr '[:upper:]' '[:lower:]' <<<"$RUNNER_OS")
+          ARCH=$(tr '[:upper:]' '[:lower:]' <<<"$RUNNER_ARCH")
+
+          case "$RUNNER_OS" in
+          Windows)
+            DLL_NAME="voicevox_core_java_api.dll"
+            ;;
+          macOS)
+            DLL_NAME="libvoicevox_core_java_api.dylib"
+            ;;
+          Linux)
+            DLL_NAME="libvoicevox_core_java_api.so"
+            ;;
+          *)
+            echo "Unsupported OS: $RUNNER_OS"
+            exit 1
+            ;;
+          esac
+          TARGET_NAME="$OS-$ARCH"
+          mkdir -p "./lib/src/main/resources/dll/$TARGET_NAME"
+          cp -v "../../target/debug/$DLL_NAME" "./lib/src/main/resources/dll/$TARGET_NAME/$DLL_NAME"
+          echo "target = $TARGET_NAME, dll = $DLL_NAME"
+          ./gradlew test --info