Java API：ビルドWorkflowを追加

.github/workflows/build_and_deploy.yml

@@ -257,6 +257,9 @@ jobs:
         run: |
           cargo set-version "$VERSION" --exclude voicevox_core_python_api --exclude download --exclude xtask
           if ${{ !!matrix.whl_local_version }}; then cargo set-version "$VERSION+"${{ matrix.whl_local_version }} -p voicevox_core_python_api; fi
+      - name: cache target
+        uses: Swatinem/rust-cache@v2
+        if: github.event.inputs.is_production != 'true'
       - name: build voicevox_core_c_api
         shell: bash
         run: |
@@ -275,6 +278,7 @@ jobs:
         if: matrix.whl_local_version
         id: build-voicevox-core-python-api
         run: |
+          rm -rf ./target/wheels
           pip install -r ./crates/voicevox_core_python_api/requirements.txt
           function build() {
             maturin build --manifest-path ./crates/voicevox_core_python_api/Cargo.toml --features ${{ matrix.features }}, --target ${{ matrix.target }} --release
@@ -287,6 +291,17 @@ jobs:
           echo "whl=$(find ./target/wheels -type f)" >> "$GITHUB_OUTPUT"
         env:
           ORT_USE_CUDA: ${{ matrix.use_cuda }}
+      - name: build voicevox_core_java_api
+        if: "contains(matrix.target, 'android')"
+        run: |
+          function build() {
+            cargo build -p voicevox_core_java_api -vv --features ${{ matrix.features }}, --target ${{ matrix.target }} --release
+          }
+          if ${{ github.event.inputs.is_production != 'true' }}; then
+            build
+          else
+            build > /dev/null 2>&1
+          fi
       - name: Set ASSET_NAME env var
         run: echo "ASSET_NAME=voicevox_core-${{ matrix.artifact_name }}-${{ env.VERSION }}" >> "$GITHUB_ENV"
       - name: Organize artifact
@@ -301,6 +316,9 @@ jobs:
           cp -v README.md "artifact/${{ env.ASSET_NAME }}/README.txt"
           cp -vr model "artifact/${{ env.ASSET_NAME }}/"
           echo "${{ env.VERSION }}" > "artifact/${{ env.ASSET_NAME }}/VERSION"
+
+          mkdir java_artifact
+          cp -v target/${{ matrix.target }}/release/libvoicevox_core_java_api.so java_artifact/ || true
       - name: Code signing (Windows)
         if: startsWith(matrix.os, 'windows') && github.event.inputs.code_signing == 'true'
         run: |
@@ -310,7 +328,7 @@ jobs:
           CERT_PASSWORD: ${{ secrets.CERT_PASSWORD }}
       - name: Upload artifact to build XCFramework
         if: contains(matrix.target, 'ios')
-        uses: actions/upload-artifact@v2
+        uses: actions/upload-artifact@v3
         with:
           name: voicevox_core-${{ matrix.target }}
           path: artifact/${{ env.ASSET_NAME }}
@@ -336,6 +354,12 @@ jobs:
           files: |-
             ${{ steps.build-voicevox-core-python-api.outputs.whl }}
           target_commitish: ${{ github.sha }}
+      - name: Upload voicevox_core_java_api artifact
+        if: env.VERSION != '0.0.0' && contains(matrix.target, 'android')
+        uses: actions/upload-artifact@v3
+        with:
+          name: voicevox_core_java_api-${{ matrix.artifact_name }}
+          path: java_artifact
 
   build_xcframework:
     if: ${{ !(github.event_name != 'release' && github.event_name != 'workflow_dispatch') }} # !env.IS_SIMPLE_TEST と同じ
@@ -391,6 +415,81 @@ jobs:
             ${{ env.ASSET_NAME }}.zip
           target_commitish: ${{ github.sha }}
 
+  build_java_package:
+    runs-on: ubuntu-latest
+    if: ${{ !(github.event_name != 'release' && github.event_name != 'workflow_dispatch') }} # !env.IS_SIMPLE_TEST と同じ
+    needs:
+      - build_and_deploy
+    steps:
+      - uses: actions/checkout@v3
+      - name: Set up Rust
+        uses: ./.github/actions/rust-toolchain-from-file
+      - name: Set up Java
+        uses: actions/setup-java@v2
+        with:
+          java-version: "17"
+          distribution: "adopt"
+      - uses: nttld/setup-ndk@v1
+        id: setup-ndk
+        with:
+          ndk-version: r25b
+      - name: Install cargo-binstall
+        uses: taiki-e/install-action@cargo-binstall
+      - name: Install cargo-edit
+        run: cargo binstall cargo-edit@^0.11 --no-confirm
+      - name: set cargo version
+        run: |
+          cargo set-version "$VERSION" -p voicevox_core_java_api
+
+      - name: "Download artifact (android-arm64-cpu)"
+        uses: actions/download-artifact@v3
+        with:
+          name: voicevox_core_java_api-android-arm64-cpu
+          path: artifact/android-arm64-cpu
+
+      - name: "Download artifact (android-x86_64-cpu)"
+        uses: actions/download-artifact@v3
+        with:
+          name: voicevox_core_java_api-android-x86_64-cpu
+          path: artifact/android-x86_64-cpu
+
+      - name: Print tree
+        run: tree artifact
+
+      - name: Build voicevoxcore-android
+        run: |
+          rm -rf crates/voicevox_core_java_api/lib/src/main/resources/dll
+          cat <<EOF | while read -r line; do
+          android-arm64-cpu|arm64-v8a
+          android-x86_64-cpu|x86_64
+          EOF
+            IFS='|' read -r artifact_name target <<< "$line"
+            mkdir "crates/voicevox_core_java_api/lib/src/main/resources/jniLibs/${target}/"
+            cp -v "artifact/$artifact_name"/* "crates/voicevox_core_java_api/lib/src/main/resources/jniLibs/${target}/"
+          done
+
+          cp ${{ steps.setup-ndk.outputs.ndk-path }}/toolchains/llvm/prebuilt/linux-x86_64/sysroot/usr/lib/aarch64-linux-android/libc++_shared.so crates/voicevox_core_java_api/lib/src/main/resources/jniLibs/arm64-v8a/
+          cp ${{ steps.setup-ndk.outputs.ndk-path }}/toolchains/llvm/prebuilt/linux-x86_64/sysroot/usr/lib/x86_64-linux-android/libc++_shared.so crates/voicevox_core_java_api/lib/src/main/resources/jniLibs/x86_64/
+
+          cd crates/voicevox_core_java_api
+          OS=android DEVICE=cpu gradle publishToMavenLocal
+
+      - name: Package
+        run: |
+          cd ~/.m2/repository
+          rm -rf dev || true
+          zip -r /tmp/java_packages.zip .
+
+      - name: Upload to Release
+        if: env.VERSION != '0.0.0' && env.SKIP_UPLOADING_RELEASE_ASSET == '0'
+        uses: softprops/action-gh-release@v1
+        with:
+          prerelease: true
+          tag_name: ${{ env.VERSION }}
+          files: |-
+            /tmp/java_packages.zip
+          target_commitish: ${{ github.sha }}
+
   download_test:
     needs: [config, build_and_deploy]
     if: needs.config.outputs.deploy == 'true'

crates/voicevox_core_java_api/Cargo.toml

@@ -7,6 +7,9 @@ publish.workspace = true
 [lib]
 crate-type = ["cdylib"]
 
+[features]
+directml = ["voicevox_core/directml"]
+
 [dependencies]
 android_logger = "0.13.1"
 anyhow.workspace = true

crates/voicevox_core_java_api/lib/build-android.gradle

@@ -1,5 +1,6 @@
 plugins {
     id 'com.android.library' version '8.1.1'
+    id 'maven-publish'
     id 'org.jetbrains.kotlin.android' version '1.9.10'
 }
 
@@ -53,4 +54,23 @@ android {
             jniLibs.srcDirs = ["./src/main/resources/jniLibs"]
         }
     }
+    publishing {
+        singleVariant("release") {
+            withJavadocJar()
+        }
+    }
+}
+
+publishing {
+    publications {
+        maven(MavenPublication) {
+            groupId = 'jp.hiroshiba.voicevoxcore'
+            artifactId = gradle.ext.targetDevice == 'cpu' ? 'voicevoxcore-android' : "voicevoxcore-android-${gradle.ext.targetDevice}"
+            version = gradle.ext.version
+
+            afterEvaluate {
+                from components.release
+            }
+        }
+    }
 }

crates/voicevox_core_java_api/lib/build.gradle

@@ -8,6 +8,7 @@
 plugins {
     // Apply the java-library plugin for API and implementation separation.
     id 'java-library'
+    id 'maven-publish'
     id "com.diffplug.spotless" version "6.20.0"
 }
 
@@ -47,6 +48,8 @@ java {
     toolchain {
         languageVersion = JavaLanguageVersion.of(8)
     }
+
+    withJavadocJar()
 }
 tasks.named('test') {
     // Use JUnit Platform for unit tests.
@@ -61,3 +64,14 @@ spotless {
         googleJavaFormat()
     }
 }
+
+publishing {
+    publications {
+        maven(MavenPublication) {
+            groupId = 'jp.hiroshiba.voicevoxcore'
+            artifactId = gradle.ext.targetDevice == 'cpu' ? 'voicevoxcore' : "voicevoxcore-${gradle.ext.targetDevice}"
+            version = gradle.ext.version
+            from components.java
+        }
+    }
+}