refactor: move java-common-protos to top level

.github/workflows/sdk-platform-java-ci.yaml

@@ -284,202 +284,6 @@ jobs:
         echo "All class files are compatible with Java 8."
       working-directory: sdk-platform-java
 
-  build-java8-showcase:
-    needs: filter
-    if: ${{ needs.filter.outputs.library == 'true' }}
-    name: "build(8) for showcase"
-    runs-on: ubuntu-22.04
-    steps:
-      - uses: actions/checkout@v4
-      - uses: actions/setup-java@v4
-        with:
-          java-version: 11
-          distribution: temurin
-          cache: maven
-      - name: Install all modules using Java 11
-        shell: bash
-        run: .kokoro/build.sh
-        env:
-          BUILD_SUBDIR: sdk-platform-java
-          JOB_TYPE: install
-      - uses: actions/setup-java@v3
-        with:
-          java-version: 8
-          distribution: temurin
-      - run: java -version
-      - name: Parse showcase version
-        working-directory: sdk-platform-java/java-showcase/gapic-showcase
-        run: echo "SHOWCASE_VERSION=$(mvn help:evaluate -Dexpression=gapic-showcase.version -q -DforceStdout)" >> "$GITHUB_ENV"
-      - name: Install showcase server
-        run: |
-                sudo mkdir -p /usr/src/showcase
-                sudo chown -R ${USER} /usr/src/
-                curl --location https://github.com/googleapis/gapic-showcase/releases/download/v${{env.SHOWCASE_VERSION}}/gapic-showcase-${{env.SHOWCASE_VERSION}}-linux-amd64.tar.gz --output /usr/src/showcase/showcase-${{env.SHOWCASE_VERSION}}-linux-amd64.tar.gz
-                cd /usr/src/showcase/
-                tar -xf showcase-*
-                ./gapic-showcase run &
-                cd -
-      - name: Showcase integration tests
-        working-directory: sdk-platform-java/java-showcase
-        run: |
-              mvn verify \
-                -P enable-integration-tests \
-                --batch-mode \
-                --no-transfer-progress
-        # The `slf4j1_logback` profile brings logging dependency and compiles logging tests, require env var to be set
-      - name: Showcase integration tests - Logging SLF4J 1.x
-        working-directory: sdk-platform-java/java-showcase
-        run: |
-             mvn clean verify -P '!showcase,enable-integration-tests,loggingTestBase,slf4j1_logback' \
-              --batch-mode \
-              --no-transfer-progress
-        # Set the Env Var for this step only
-        env:
-            GOOGLE_SDK_JAVA_LOGGING: true
-        # The `disabledLogging` profile tests logging disabled when logging dependency present,
-        # do not set env var for this step
-      - name: Showcase integration tests - Logging disabed
-        working-directory: sdk-platform-java/java-showcase
-        run: |
-          mvn clean verify -P '!showcase,enable-integration-tests,loggingTestBase,disabledLogging'  \
-            --batch-mode \
-            --no-transfer-progress
-      - name: Showcase integration tests - Protobuf gen code 3.25.8
-        working-directory: sdk-platform-java/java-showcase-3.25.8
-        run: |
-          mvn verify \
-            -P enable-integration-tests \
-            --batch-mode \
-            --no-transfer-progress
-      - name: Showcase integration tests - Protobuf gen code 3.21.0
-        working-directory: sdk-platform-java/java-showcase-3.21.0
-        run: |
-          mvn verify \
-            -P enable-integration-tests \
-            --batch-mode \
-            --no-transfer-progress
-  showcase:
-    needs: filter
-    if: ${{ needs.filter.outputs.library == 'true' }}
-    runs-on: ubuntu-22.04
-    strategy:
-      matrix:
-        java: [ 11, 17, 21, 25 ]
-    steps:
-      - uses: actions/checkout@v4
-      - uses: actions/setup-java@v4
-        with:
-          java-version: ${{ matrix.java }}
-          distribution: temurin
-      - run: mvn -version
-      - name: Install Maven modules
-        shell: bash
-        run: .kokoro/build.sh
-        env:
-          BUILD_SUBDIR: sdk-platform-java
-          JOB_TYPE: test      
-      - name: Showcase golden tests
-        working-directory: sdk-platform-java/java-showcase
-        run: |
-          mvn test \
-            -P enable-golden-tests \
-            --batch-mode \
-            --no-transfer-progress
-      - name: Parse showcase version
-        working-directory: sdk-platform-java/java-showcase/gapic-showcase
-        run: echo "SHOWCASE_VERSION=$(mvn help:evaluate -Dexpression=gapic-showcase.version -q -DforceStdout)" >> "$GITHUB_ENV"
-      - name: Install showcase server
-        run: |
-          sudo mkdir -p /usr/src/showcase
-          sudo chown -R ${USER} /usr/src/
-          curl --location https://github.com/googleapis/gapic-showcase/releases/download/v${{env.SHOWCASE_VERSION}}/gapic-showcase-${{env.SHOWCASE_VERSION}}-linux-amd64.tar.gz --output /usr/src/showcase/showcase-${{env.SHOWCASE_VERSION}}-linux-amd64.tar.gz
-          cd /usr/src/showcase/
-          tar -xf showcase-*
-          ./gapic-showcase run &
-          cd -
-      - name: Showcase integration tests
-        working-directory: sdk-platform-java/java-showcase
-        run: |
-          mvn verify \
-            -P enable-integration-tests \
-            --batch-mode \
-            --no-transfer-progress
-      # The `slf4j2_logback` profile brings logging dependency and compiles logging tests, require env var to be set
-      - name: Showcase integration tests - Logging SLF4J 2.x
-        working-directory: sdk-platform-java/java-showcase
-        run: |
-          mvn clean verify -P '!showcase,enable-integration-tests,loggingTestBase,slf4j2_logback' \
-            --batch-mode \
-            --no-transfer-progress
-        # Set the Env Var for this step only
-        env:
-          GOOGLE_SDK_JAVA_LOGGING: true
-    # The `slf4j1_logback` profile brings logging dependency and compiles logging tests, require env var to be set
-      - name: Showcase integration tests - Logging SLF4J 1.x
-        working-directory: sdk-platform-java/java-showcase
-        run: |
-          mvn clean verify -P '!showcase,enable-integration-tests,loggingTestBase,slf4j1_logback' \
-            --batch-mode \
-            --no-transfer-progress
-        # Set the Env Var for this step only
-        env:
-          GOOGLE_SDK_JAVA_LOGGING: true
-    # The `disabledLogging` profile tests logging disabled when logging dependency present,
-    # do not set env var for this step
-      - name: Showcase integration tests - Logging disabed
-        working-directory: sdk-platform-java/java-showcase
-        run: |
-          mvn clean verify -P '!showcase,enable-integration-tests,loggingTestBase,disabledLogging'  \
-            --batch-mode \
-            --no-transfer-progress
-      - name: Showcase integration tests - Protobuf 3 compatibility with third party library Tensorflow
-        working-directory: sdk-platform-java/java-showcase
-        run: |
-          mvn clean verify -P 'enable-integration-tests,protobuf3,showcase'  \
-            --batch-mode \
-            --no-transfer-progress
-
-  showcase-clirr:
-    needs: filter
-    if: ${{ (needs.filter.outputs.library == 'true') && github.base_ref != '' }} # Only execute on pull_request trigger event
-    runs-on: ubuntu-22.04
-    steps:
-      - name: Checkout @ target branch
-        uses: actions/checkout@v4
-        with:
-          ref: ${{ github.base_ref }}
-      - uses: actions/setup-java@v4
-        with:
-          java-version: 17
-          distribution: temurin
-          cache: maven
-      - name: Install Maven modules
-        shell: bash
-        run: .kokoro/build.sh
-        env:
-          BUILD_SUBDIR: sdk-platform-java
-          JOB_TYPE: install
-      - name: Install showcase to local maven repository
-        run: |
-          mvn install -B -ntp -T 1C -DskipTests
-          SHOWCASE_CLIENT_VERSION=$(mvn help:evaluate -Dexpression=project.version -q -DforceStdout)
-          echo "SHOWCASE_CLIENT_VERSION=$SHOWCASE_CLIENT_VERSION" >> "$GITHUB_ENV"
-        working-directory: sdk-platform-java/java-showcase
-      - name: Checkout sdk-platform-java @ PR merge commit
-        uses: actions/checkout@v3
-      - name: Install sdk-platform-java @ PR merge commit
-        shell: bash
-        run: .kokoro/build.sh
-        env:
-          JOB_TYPE: install
-          BUILD_SUBDIR: sdk-platform-java
-        # Showcase golden test ensures that src changes are already reflected in the PR.
-      - name: Clirr check
-        working-directory: sdk-platform-java/java-showcase
-        run: |
-          mvn versions:set -B -ntp -DnewVersion=local
-          mvn clirr:check -B -ntp -DcomparisonVersion=$SHOWCASE_CLIENT_VERSION
-
   gapic-generator-java-bom:
     needs: filter
     if: ${{ needs.filter.outputs.library == 'true' }}

.github/workflows/sdk-platform-java-dependency_compatibility_test.yaml

@@ -70,7 +70,7 @@ jobs:
 
       # Set up local showcase server to run the showcase ITs
       - name: Parse showcase version
-        working-directory: sdk-platform-java/java-showcase/gapic-showcase
+        working-directory: java-showcase/gapic-showcase
         run: echo "SHOWCASE_VERSION=$(mvn help:evaluate -Dexpression=gapic-showcase.version -q -DforceStdout)" >> "$GITHUB_ENV"
       - name: Install showcase server
         run: |
@@ -89,8 +89,8 @@ jobs:
         # Need to cd out of the directory to get the scripts as this step is run inside the java-showcase directory
         run: |
           if [[ -n "${{ env.DEPENDENCIES_LIST }}" ]]; then
-            ../.github/scripts/test_dependency_compatibility.sh -l ${{ env.DEPENDENCIES_LIST }}
+            ../sdk-platform-java/.github/scripts/test_dependency_compatibility.sh -l ${{ env.DEPENDENCIES_LIST }}
           else
-            ../.github/scripts/test_dependency_compatibility.sh -f ../dependencies.txt
+            ../sdk-platform-java/.github/scripts/test_dependency_compatibility.sh -f ../sdk-platform-java/dependencies.txt
           fi
-        working-directory: sdk-platform-java/java-showcase
+        working-directory: java-showcase

.github/workflows/sdk-platform-java-sonar.yaml

@@ -56,9 +56,9 @@ jobs:
       - name: Install java-showcase
         shell: bash
         run: mvn install -T 1C -DskipTests -ntp -B
-        working-directory: sdk-platform-java/java-showcase
+        working-directory: java-showcase
       - name: Parse showcase version
-        working-directory: sdk-platform-java/java-showcase/gapic-showcase
+        working-directory: java-showcase/gapic-showcase
         run: echo "SHOWCASE_VERSION=$(mvn help:evaluate -Dexpression=gapic-showcase.version -q -DforceStdout)" >> "$GITHUB_ENV"
       - name: Install showcase server
         run: |