Swap to gradle as build tool

.github/workflows/build.yml

@@ -13,40 +13,39 @@ concurrency:
     cancel-in-progress: true
 
 jobs:
-  maven:
+  gradle:
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v4
-      - uses: actions/cache@v4
+      - name: Cache FHIR packages
+        uses: actions/cache@v4
+        with:
+          path: ~/.fhir
+          key: ${{ runner.os }}-fhir-${{ hashFiles('**/*.*') }}
+          restore-keys: |
+            ${{ runner.os }}-fhir-
+      - name: Cache SonarQube packages
+        uses: actions/cache@v4
         with:
-            path: ~/.fhir
-            key: ${{ runner.os }}-fhir-${{ hashFiles('**/*.*') }}
-            restore-keys: |
-              ${{ runner.os }}-fhir-
+          path: ~/.sonar/cache
+          key: ${{ runner.os }}-sonar
+          restore-keys: ${{ runner.os }}-sonar
       - uses: actions/setup-java@v4
         with:
-          distribution: 'temurin'
-          java-version: '21'
-          cache: 'maven'
-          server-id: central
-          server-url: https://repo1.maven.org/maven2
-          server-username: MAVEN_USERNAME
-          server-password: MAVEN_PASSWORD
+            distribution: 'temurin'
+            java-version: '21'
+            cache: 'gradle'
       - name: Publish snapshot
-        run: ./mvnw --batch-mode -no-transfer-progress --update-snapshots deploy -Ppackage
+        run: ./gradlew publish -x spotlessCheck
         env:
           MAVEN_USERNAME: ${{ vars.OSSRH_USERNAME }}
           MAVEN_PASSWORD: ${{ secrets.OSSRH_TOKEN }}
       - name: Publish test report
         uses: mikepenz/action-junit-report@v4
         if: success() || failure() # always run even if the previous step fails
         with:
-          report_paths: "**/target/surefire-reports/TEST-*.xml"
+          report_paths: "**/build/test-results/test/TEST-*.xml"
           job_name: "Build"
-      - name: Upload coverage reports to Codecov
-        uses: codecov/codecov-action@v4
-        env:
-          CODECOV_TOKEN: ${{ secrets.CODECOV_TOKEN }}
       - uses: actions/setup-python@v5
         with:
           python-version: 3.x

.github/workflows/check-pr.yaml

@@ -11,36 +11,46 @@ concurrency:
   cancel-in-progress: true
 
 jobs:
-  maven:
+  gradle:
     strategy:
         matrix:
           os: [ubuntu-latest, windows-latest]
     runs-on: ${{ matrix.os }}
     steps:
       - uses: actions/checkout@v4
-      - uses: actions/cache@v4
+      - name: Cache FHIR packages
+        uses: actions/cache@v4
         with:
           path: ~/.fhir
           key: ${{ runner.os }}-fhir-${{ hashFiles('**/*.*') }}
           restore-keys: |
             ${{ runner.os }}-fhir-
+      - name: Cache SonarQube packages
+        uses: actions/cache@v4
+        with:
+          path: ~/.sonar/cache
+          key: ${{ runner.os }}-sonar
+          restore-keys: ${{ runner.os }}-sonar
       - uses: actions/setup-java@v4
         with:
             distribution: 'temurin'
             java-version: '21'
-            cache: 'maven'
+            cache: 'gradle'
+      # Skip spotlessCheck since it is checked in a separate workflow
       - name: Compile
-        run: ./mvnw --batch-mode --no-transfer-progress --update-snapshots -T 4 package -DskipTests=true
-      - name: Tests and additional checks
-        run: ./mvnw --batch-mode --no-transfer-progress -T 4 verify -Ppackage
+        run: ./gradlew compileJava compileTestJava -x spotlessCheck
+      # Linux does full check including SonarQube, Windows only runs tests
+      - name: Tests and additional checks (Linux)
+        if: matrix.os == 'ubuntu-latest'
+        run: ./gradlew check sonar -x spotlessCheck
+        env:
+          SONAR_TOKEN: ${{ secrets.SONAR_TOKEN }}
+      - name: Tests only (Windows)
+        if: matrix.os == 'windows-latest'
+        run: ./gradlew test -x spotlessCheck
       - name: Publish test report
         uses: mikepenz/action-junit-report@v4
         if: (success() || failure()) && matrix.os == 'ubuntu-latest'
         with:
-          report_paths: "**/target/surefire-reports/TEST-*.xml"
+          report_paths: "**/build/test-results/test/TEST-*.xml"
           job_name: "Check PR"
-      - name: Upload coverage reports to Codecov
-        uses: codecov/codecov-action@v4
-        if: matrix.os == 'ubuntu-latest'
-        env:
-          CODECOV_TOKEN: ${{ secrets.CODECOV_TOKEN }}

.github/workflows/spotless.yml

@@ -15,8 +15,9 @@ jobs:
         with:
           distribution: 'temurin'
           java-version: '21'
-      - name: spotless:check
-        run: ./mvnw spotless:check
+          cache: 'gradle'
+      - name: spotlessCheck
+        run: ./gradlew spotlessCheck
       - uses: mshick/add-pr-comment@v2
         if: always()
         with:
@@ -25,4 +26,4 @@ jobs:
           message-failure: |
             **This Pull Request has failed the formatting check**
 
-            Please run `mvnw spotless:apply` or `mvnw clean install -DskipTests` to fix the formatting issues.
+            Please run `./gradlew spotlessApply` to fix the formatting issues.

.gitignore

@@ -1,39 +1,87 @@
-target
-test-output
-bin/
-htmlReport/
-
-.classpath
-.project
-.settings
-.flattened-pom.xml
-.factorypath
-.DS_Store
-.cursorignore
-.m2
+# Gradle build output
+/build/
+*/build/
 
-pom.xml.versionsBackup
+# Gradle caches and local configuration
+.gradle/
+!gradle/wrapper/gradle-wrapper.jar
+!gradle/wrapper/gradle-wrapper.properties
 
-*.log*
-Snap.*
-core.*
-dump.*
-heapdump.*
-javacore.*
-jitdump.*
-.attach_*
+# Kotlin/Java compiled output
+/out/
+classes/
+*.class
 
-.idea
+# IntelliJ IDEA / Android Studio
+.idea/
+!.idea/runConfigurations/
 *.iml
+*.ipr
+*.iws
+.idea_modules/
+out/
+
+
+# macOS
+.DS_Store
+
+# Windows
+Thumbs.db
 
-.apt_generated
+# Logs
+*.log
 
-*DS_Store
+# Environment / system files
+*.swp
+*.swo
+
+# Dependency locking / analysis (optional to ignore)
+# Uncomment if you don't use Gradle dependency locking
+# gradle.lockfile
+# **/gradle.lockfile
+
+# Kotlin Multiplatform specifics
+# (native build artifacts, caches, generated sources)
+.kotlinc/
+.kpm/
+.kmp/
+.kotlin/
+konan/
+buildSrc/.gradle/
+buildSrc/build/
+
+# Android (if you have Android targets)
+*.apk
+*.ap_
+*.aab
+*.dex
+*.class
+*.apk.idsig
+captures/
+.externalNativeBuild/
+.cxx/
+
+# Generated documentation / reports
+docs/
+reports/
+coverage/
+jacoco/
+
+### Maven ###
+target/
+pom.xml.tag
+pom.xml.releaseBackup
+pom.xml.versionsBackup
+pom.xml.next
+release.properties
+.flattened-pom.xml
+dependency-reduced-pom.xml
 
+### Git ###
 .worktrees
 
 # asdf-vm specific files
 .tool-versions
 
 # mise-vm specific files
-mise.toml
+mise.toml

.vscode/settings.json

@@ -140,7 +140,7 @@
     ],
     "java.configuration.updateBuildConfiguration": "automatic",
     "java.dependency.packagePresentation": "hierarchical",
-    "java.jdt.ls.vmargs": "-Xmx32G -XX:+UseG1GC -XX:+UseStringDeduplication",
+    "java.jdt.ls.vmargs": "-Xmx64G -XX:+UseG1GC -XX:+UseStringDeduplication",
     "java.compile.nullAnalysis.mode": "automatic",
     "json.schemaDownload.enable": true,
     "[markdown]": {

build.gradle.kts

@@ -0,0 +1,10 @@
+plugins {
+    id("org.sonarqube") version "7.0.1.6134"
+}
+
+sonar {
+    properties {
+        property("sonar.projectKey", "cqframework_clinical-reasoning")
+        property("sonar.organization", "cqframework")
+    }
+}

buildSrc/build.gradle.kts

@@ -0,0 +1,17 @@
+plugins {
+    `kotlin-dsl`
+
+}
+
+repositories {
+    mavenCentral()
+    gradlePluginPortal()
+}
+
+dependencies {
+    implementation("com.diffplug.gradle.spotless:com.diffplug.gradle.spotless.gradle.plugin:8.0.0")
+    implementation("org.jetbrains.kotlin:kotlin-gradle-plugin:2.2.21")
+    implementation("com.vanniktech:gradle-maven-publish-plugin:0.33.0")
+    implementation("org.jetbrains.dokka:dokka-gradle-plugin:1.9.20")
+    implementation("io.gitlab.arturbosch.detekt:detekt-gradle-plugin:1.23.3")
+}