Rewrite Gradle build script using Kotlin DSL to improve maintainability

codegen-test/build.gradle.kts

@@ -0,0 +1,129 @@
+import org.h2.Driver
+import org.seasar.doma.gradle.codegen.desc.LanguageType
+import org.seasar.doma.gradle.codegen.jdbc.SimpleDataSource
+
+buildscript {
+    repositories {
+        mavenCentral()
+        mavenLocal()
+        maven {
+            url = uri("https://oss.sonatype.org/content/repositories/snapshots/")
+        }
+        flatDir {
+            dirs("../codegen")
+        }
+    }
+    dependencies {
+        val h2Version: String = properties["h2Version"] as String
+        classpath("org.domaframework.doma:codegen")
+        classpath("com.h2database:h2:$h2Version")
+        classpath("mysql:mysql-connector-java:8.0.33")
+    }
+}
+
+plugins {
+    id("java")
+    id("org.jetbrains.kotlin.jvm") version "2.0.20"
+    id("org.domaframework.doma.compile") version "3.0.1"
+    id("org.domaframework.doma.codegen")
+}
+
+java {
+    toolchain.languageVersion.set(JavaLanguageVersion.of(17))
+}
+
+repositories {
+    mavenLocal()
+    mavenCentral()
+}
+
+dependencies {
+    val domaVersion: String by project
+    val h2Version: String by project
+
+    implementation("org.seasar.doma:doma-core:$domaVersion")
+    annotationProcessor("org.seasar.doma:doma-processor:$domaVersion")
+    testImplementation("org.junit.jupiter:junit-jupiter-api:5.11.2")
+    testRuntimeOnly("org.junit.jupiter:junit-jupiter-engine:5.11.2")
+    testRuntimeOnly("com.h2database:h2:$h2Version")
+}
+
+val _url = "jdbc:h2:file:$projectDir/data/db"
+val _user = ""
+val _password = ""
+
+domaCodeGen {
+    register("java") {
+        val basePackage = "codegen"
+        url.set(_url.toString())
+        user.set(_user)
+        password.set(_password)
+        entity {
+            packageName = "${basePackage}.entity"
+        }
+        dao {
+            packageName = "${basePackage}.dao"
+        }
+    }
+    register("kotlin") {
+        val basePackage = "codegen"
+        url.set(_url.toString())
+        user.set(_user)
+        password.set(_password)
+        languageType.set(LanguageType.KOTLIN)
+        entity {
+            packageName = "${basePackage}.entity"
+        }
+        dao {
+            packageName = "${basePackage}.dao"
+        }
+    }
+}
+
+tasks {
+    test {
+        useJUnitPlatform()
+    }
+
+    val deleteSrc = register("deleteSrc") {
+        doLast {
+            delete("src")
+        }
+    }
+
+    val createDb = register("createDb") {
+        doLast {
+            val ds = SimpleDataSource()
+            ds.setDriver(Driver())
+            ds.setUrl(_url)
+            ds.setUser(_user)
+            ds.setPassword(_password)
+
+            val sql = """
+            drop all objects;
+
+            create table department(
+                department_id integer not null primary key, 
+                department_no integer not null,
+                department_name varchar(20),
+                location varchar(20) default 'tokyo', 
+                version integer
+             );
+
+            create table employee(
+                employee_id integer not null primary key, 
+                employee_no integer not null,
+                employee_name varchar(20)
+            );
+            """
+            ds.connection.use {
+                it.createStatement().use {
+                    it.execute(sql)
+                }
+            }
+        }
+    }
+
+    getByName("domaCodeGenJavaDbMeta").dependsOn(deleteSrc, createDb)
+    getByName("domaCodeGenKotlinDbMeta").dependsOn(deleteSrc, createDb)
+}

codegen-test/gradle.properties

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+domaVersion=3.0.1
+h2Version=2.3.232

codegen-test/settings.gradle.kts

@@ -0,0 +1,5 @@
+rootProject.name = "codegen-test"
+
+pluginManagement {
+    includeBuild("../codegen")
+}

codegen/gradle/wrapper/gradle-wrapper.properties

@@ -0,0 +1,7 @@
+distributionBase=GRADLE_USER_HOME
+distributionPath=wrapper/dists
+distributionUrl=https\://services.gradle.org/distributions/gradle-8.10.2-bin.zip
+networkTimeout=10000
+validateDistributionUrl=true
+zipStoreBase=GRADLE_USER_HOME
+zipStorePath=wrapper/dists