Test build on Java 21 and Java 25 (#396)

Author: jonesbusy

.github/workflows/build.yml

@@ -12,7 +12,28 @@ jobs:
   build:
     runs-on: ubuntu-latest
     steps:
+      - name: Checkout
+        uses: actions/checkout@08c6903cd8c0fde910a37f88322edcfb5dd907a8 # v5.0.0
+
+      - name: Read Maven version
+        id: maven-version
+        run: echo "version=$(cat .github/vars/maven-version.txt)" >> $GITHUB_OUTPUT
 
+      - name: Setup Python
+        uses: actions/setup-python@e797f83bcb11b83ae66e0230d6156d7c80228e7c # v6.0.0
+        with:
+          python-version: '3.13'
+
+      - name: Run pre-commit
+        uses: pre-commit/action@2c7b3805fd2a0fd8c1884dcaebf91fc102a13ecd # v3.0.1
+
+  maven-build:
+    runs-on: ubuntu-latest
+    needs: build
+    strategy:
+      matrix:
+        java: [17, 21, 25-ea]
+    steps:
       - name: Checkout
         uses: actions/checkout@08c6903cd8c0fde910a37f88322edcfb5dd907a8 # v5.0.0
 
@@ -25,21 +46,15 @@ jobs:
         with:
           checkout-enabled: false
           java-distribution: 'temurin'
-          java-version: 17
+          java-version: ${{ matrix.java }}
           maven-version: ${{ steps.maven-version.outputs.version }}
           cache-enabled: true
 
-      - name: Setup Python
-        uses: actions/setup-python@e797f83bcb11b83ae66e0230d6156d7c80228e7c # v6.0.0
-        with:
-          python-version: '3.13'
-      - name: Run pre-commit
-        uses: pre-commit/action@2c7b3805fd2a0fd8c1884dcaebf91fc102a13ecd # v3.0.1
-
       - name: Maven build
         run: mvn --batch-mode --update-snapshots verify
 
       - name: Upload coverage reports to Codecov
+        if: matrix.java == '17'
         uses: codecov/codecov-action@5a1091511ad55cbe89839c7260b706298ca349f7 # v5.5.1
         with:
           files: target/site/jacoco/jacoco.xml

pom.xml

@@ -72,6 +72,7 @@
     <classgraph.version>4.8.181</classgraph.version>
 
     <!-- Plugin version -->
+    <palantir.java.format.version>2.74.0</palantir.java.format.version>
     <build.helper-maven-plugin.version>3.6.1</build.helper-maven-plugin.version>
     <jacoco-maven-plugin.version>0.8.13</jacoco-maven-plugin.version>
     <spotless-maven-plugin.version>2.46.1</spotless-maven-plugin.version>
@@ -518,7 +519,10 @@
               <indent>
                 <spaces>true</spaces>
               </indent>
-              <palantirJavaFormat />
+              <palantirJavaFormat>
+                <!-- Until http://github.com/diffplug/spotless/issues/2468 -->
+                <version>${palantir.java.format.version}</version>
+              </palantirJavaFormat>
               <removeUnusedImports />
               <trimTrailingWhitespace />
             </java>