modularize connectors

.github/workflows/java.yml

@@ -1,28 +1,87 @@
 name: Java Main Workflow
 
 on:
-  pull_request:
-    branches: [ master, rc-** ]
+#  pull_request:
+#    branches: [ master, rc-** ]
 
 jobs:
+  detect-targets:
+    runs-on: ubuntu-latest
+    outputs:
+      modified_targets: ${{ steps.filter.outputs.modified_targets }}
+    steps:
+      - name: Checkout repository
+        uses: actions/checkout@v3
+        with:
+          fetch-depth: 2
+
+      - name: Detect modified targets
+        id: filter
+        run: |
+          MODIFIED_TARGETS=()
+
+          # Ensure HEAD^ exists
+          if git rev-parse --verify HEAD^ >/dev/null 2>&1; then
+            BASE_COMMIT="HEAD^"
+          else
+            BASE_COMMIT=$(git rev-list --max-parents=0 HEAD) # First commit
+          fi
+
+          # Check each client dynamically
+          find clients/* -type d -maxdepth 0 | while read client; do
+            CLIENT_NAME=$(basename "$client")
+            if ! git diff --quiet "$BASE_COMMIT" HEAD -- "$client"; then
+              echo "Changes detected in $CLIENT_NAME"
+              MODIFIED_TARGETS+=("$CLIENT_NAME")
+            fi
+          done
+
+          # Convert to JSON array format
+          MODIFIED_TARGETS_JSON=$(printf '%s\n' "${MODIFIED_TARGETS[@]}" | jq -R -s -c 'split("\n") | map(select(. != ""))')
+
+          echo "Detected modified targets: $MODIFIED_TARGETS_JSON"
+          echo "modified_targets=$MODIFIED_TARGETS_JSON" >> $GITHUB_ENV
+          echo "::set-output name=modified_targets::$MODIFIED_TARGETS_JSON"
+  checkstyle:
+    runs-on: ubuntu-latest
+    needs: detect-targets
+    if: ${{ needs.detect-targets.outputs.modified_targets != '[]' }}
+    steps:
+      - uses: actions/checkout@v3
+      - name: Set up JDK
+        uses: actions/setup-java@v3
+        with:
+          java-version: 17
+          distribution: 'adopt'
+          cache: 'maven'
+          cache-dependency-path: |
+            'clients/pom.xml'
+            'examples/pom.xml'
+      - name: Validate modules
+        run: |
+          mvn -f clients/pom.xml -N install
+          mvn -f clients/pom.xml -pl common install
+          mvn -f clients/pom.xml -pl `echo '${{ needs.detect-targets.outputs.modified_targets }}' | jq -r 'join(",")'` validate
   build:
-    runs-on: ${{ matrix.operating-system }}
+    runs-on: ubuntu-latest
+    needs: detect-targets
+    if: ${{ needs.detect-targets.outputs.modified_targets != '[]' }}
     strategy:
       matrix:
-        operating-system: [ ubuntu-latest ]
-        java-version: [ 8, 11, 17 ]
-
+        target: ${{ fromJson(needs.detect-targets.outputs.modified_targets) }}
+        java-version: [ 11, 17 ]
     steps:
       - uses: actions/checkout@v3
-      - name: Set up JDK 8
+      - name: Set up JDK
         uses: actions/setup-java@v3
         with:
           java-version: ${{ matrix.java-version }}
           distribution: 'adopt'
           cache: 'maven'
-      - name: Run checkstyle
-        run: mvn checkstyle:check
-      - name: Run unit tests
-        run: mvn clean test
-      - name: Build with Maven
-        run: mvn install '-Dgpg.skip=true' '-Dmaven.javadoc.skip=true'
+          cache-dependency-path: |
+            'clients/pom.xml'
+            'examples/pom.xml'
+      - name: Build ${{ matrix.target }} module
+        run: |
+          mvn -f clients/pom.xml -N install
+          mvn -f clients/pom.xml -pl common,${{ matrix.target }} install -Dcheckstyle.skip=true