Initial move to Gradle

.github/workflows/java.yml

@@ -19,6 +19,6 @@ jobs:
         with:
           java-version: ${{ matrix.java }}
           distribution: 'corretto'
-          cache: maven
+          cache: gradle
       - name: Verify
-        run: mvn -B verify --file pom.xml
+        run: gradle check

.gitignore

@@ -2,6 +2,7 @@ target/
 !.mvn/wrapper/maven-wrapper.jar
 !**/src/main/**/target/
 !**/src/test/**/target/
+.gradle/
 
 ### IntelliJ IDEA ###
 .idea/

build.gradle.kts

@@ -0,0 +1,69 @@
+plugins {
+    `java-library`
+    `maven-publish`
+    pmd
+    jacoco
+    alias(libs.plugins.spotless)
+}
+
+repositories {
+    mavenLocal()
+    maven {
+        url = uri("https://repo.maven.apache.org/maven2/")
+    }
+}
+
+dependencies {
+    api(libs.slf4j)
+    testImplementation(libs.assertj)
+    testImplementation(libs.jupiter.api)
+    testImplementation(libs.jupiter.params)
+    testRuntimeOnly(libs.jupiter.engine)
+    testRuntimeOnly(libs.junit.launcher)
+    compileOnly(libs.lombok)
+    annotationProcessor(libs.lombok)
+}
+
+spotless {
+    java {
+        removeUnusedImports()
+        palantirJavaFormat().formatJavadoc(true)
+        formatAnnotations()
+        trimTrailingWhitespace()
+        leadingSpacesToTabs()
+        leadingTabsToSpaces(2)
+    }
+}
+
+group = "me.atour"
+version = "1.0.0-SNAPSHOT"
+description = "Baseline project for Java 25 LTS with Gradle"
+java.sourceCompatibility = JavaVersion.VERSION_25
+
+publishing {
+    publications.create<MavenPublication>("maven") {
+        from(components["java"])
+    }
+}
+
+tasks.test {
+    useJUnitPlatform()
+    finalizedBy(tasks.jacocoTestReport)
+}
+
+tasks.jacocoTestReport {
+    dependsOn(tasks.test)
+    reports {
+        xml.required = false
+        csv.required = false
+        html.outputLocation = layout.buildDirectory.dir("jacocoHtml")
+    }
+}
+
+tasks.withType<JavaCompile>() {
+    options.encoding = "UTF-8"
+}
+
+tasks.withType<Javadoc>() {
+    options.encoding = "UTF-8"
+}

gradle.properties

@@ -0,0 +1 @@
+org.gradle.configuration-cache=true

gradle/libs.versions.toml

@@ -0,0 +1,18 @@
+[versions]
+assertj = "3.27.6"
+junit = "6.1.0-M1"
+lombok = "1.18.42"
+slf4j = "2.0.17"
+spotless = "8.1.0"
+
+[libraries]
+assertj = { module = "org.assertj:assertj-core", version.ref = "assertj" }
+junit-launcher = { module = "org.junit.platform:junit-platform-launcher", version.ref = "junit" }
+jupiter-api = { module = "org.junit.jupiter:junit-jupiter-api", version.ref = "junit" }
+jupiter-engine = { module = "org.junit.jupiter:junit-jupiter-engine", version.ref = "junit" }
+jupiter-params = { module = "org.junit.jupiter:junit-jupiter-params", version.ref = "junit" }
+lombok = { module = "org.projectlombok:lombok", version.ref = "lombok" }
+slf4j = { module = "org.slf4j:slf4j-api", version.ref = "slf4j" }
+
+[plugins]
+spotless = { id = "com.diffplug.spotless", version.ref = "spotless" }

gradle/wrapper/gradle-wrapper.properties

@@ -0,0 +1,7 @@
+distributionBase=GRADLE_USER_HOME
+distributionPath=wrapper/dists
+distributionUrl=https\://services.gradle.org/distributions/gradle-9.2.1-bin.zip
+networkTimeout=10000
+validateDistributionUrl=true
+zipStoreBase=GRADLE_USER_HOME
+zipStorePath=wrapper/dists