feat!: Lettermint Java SDK 3.0

.github/workflows/ci.yml

@@ -17,7 +17,8 @@ jobs:
       fail-fast: true
       matrix:
         os: [ubuntu-latest, windows-latest]
-        java: [8, 11, 17, 21]
+        # 17 is the minimum; 21 and 25 are the current LTS releases.
+        java: [17, 21, 25]
 
     steps:
       - name: Checkout code
@@ -34,12 +35,11 @@ jobs:
         run: chmod +x gradlew
         if: runner.os != 'Windows'
 
-      - name: Build with Gradle
+      # build runs the tests, javadoc and checkGeneratedTypes. The SDK generator is
+      # private, so CI only verifies the headers of src/main/java/co/lettermint/types.
+      - name: Build and test
         run: ./gradlew build --no-daemon
 
-      - name: Run tests
-        run: ./gradlew test --no-daemon
-
       - name: Upload test results
         uses: actions/upload-artifact@v7
         if: failure()
@@ -71,7 +71,6 @@ jobs:
 
       - name: Check build output
         run: |
-          if [ ! -d "build/libs" ]; then
-            echo "Build output directory 'build/libs' not found"
-            exit 1
-          fi
+          jar=$(ls build/libs/lettermint-*.jar | grep -v -e sources -e javadoc)
+          unzip -p "$jar" META-INF/MANIFEST.MF | grep -q 'Automatic-Module-Name: co.lettermint'
+          if unzip -l "$jar" | grep -q okhttp; then echo "okhttp must not be bundled"; exit 1; fi

.github/workflows/release.yml

@@ -17,7 +17,7 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        java: [8, 11, 17, 21]
+        java: [17, 21, 25]
 
     steps:
       - name: Checkout code
@@ -36,7 +36,7 @@ jobs:
         run: chmod +x gradlew
 
       - name: Run tests
-        run: ./gradlew test --no-daemon
+        run: ./gradlew build --no-daemon
 
   release:
     name: Release
@@ -71,8 +71,14 @@ jobs:
           fi
 
           echo "RELEASE_VERSION=$version" >> "$GITHUB_ENV"
-          perl -0pi -e "s/^version = '.*'$/version = '$version'/m" build.gradle
-          RELEASE_VERSION="$version" perl -0pi -e 's|(<artifactId>lettermint</artifactId>\s*<version>)[^<]+(</version>)|$1$ENV{RELEASE_VERSION}$2|' pom.xml
+
+      # build.gradle reads the version from -PreleaseVersion; check the jar before publishing.
+      - name: Build and check the release version
+        run: |
+          ./gradlew build -PreleaseVersion="$RELEASE_VERSION" --no-daemon
+          jar="build/libs/lettermint-$RELEASE_VERSION.jar"
+          unzip -p "$jar" META-INF/MANIFEST.MF | grep -q "Implementation-Version: $RELEASE_VERSION"
+          unzip -p "$jar" co/lettermint/BuildInfo.class | grep -q "$RELEASE_VERSION"
 
       - name: Publish to Maven Central
         env:
@@ -83,7 +89,7 @@ jobs:
           GPG_PRIVATE_KEY_BASE64: ${{ secrets.GPG_PRIVATE_KEY }}
         run: |
           export ORG_GRADLE_PROJECT_signingKey=$(echo "$GPG_PRIVATE_KEY_BASE64" | base64 -d)
-          ./gradlew publish --no-daemon
+          ./gradlew publish -PreleaseVersion="$RELEASE_VERSION" --no-daemon
 
       - name: Release staging repository
         env: