Fix: use newer spring for newer java

Author: dividedmind

agent/test/jdbc/build.gradle

@@ -1,16 +1,32 @@
+buildscript {
+	def isModern = JavaVersion.current() >= JavaVersion.VERSION_25
+	project.ext {
+		useJakarta = isModern
+		springBootVersion = isModern ? '3.1.4' : '2.7.0'
+		javaVersion = isModern ? JavaVersion.VERSION_17 : JavaVersion.VERSION_1_8
+	}
+
+	repositories {
+		mavenCentral()
+	}
+	dependencies {
+		classpath "org.springframework.boot:spring-boot-gradle-plugin:${project.springBootVersion}"
+	}
+}
+
 plugins {
-		id 'org.springframework.boot' version '2.7.0'
-		id 'io.spring.dependency-management' version '1.0.11.RELEASE'
+		id 'io.spring.dependency-management' version '1.1.7'
 		id 'java'
 }
 
+apply plugin: 'org.springframework.boot'
+
 group = 'com.example'
 version = '0.0.1-SNAPSHOT'
-sourceCompatibility = '1.8'
 
-// suppress warnings about source compatibility
-tasks.withType(JavaCompile) {
-	options.compilerArgs << '-Xlint:-options'
+java {
+	sourceCompatibility = javaVersion
+	targetCompatibility = javaVersion
 }
 
 repositories {
@@ -22,10 +38,26 @@ dependencies {
 	runtimeOnly 'com.h2database:h2'
 	runtimeOnly 'com.oracle.database.jdbc:ojdbc8:21.9.0.0'
 	testImplementation 'org.springframework.boot:spring-boot-starter-test'
+	testRuntimeOnly 'org.junit.platform:junit-platform-launcher'
 }
 
 def appmapJar = "$System.env.AGENT_JAR"
 
+// Spring boot 3.x uses Jakarta EE namespaces
+task transformSources(type: Copy) {
+	from 'src/main/java'
+	into "$buildDir/generated-sources/transformed"
+
+	if (useJakarta) {
+		filter { line ->
+			line.replaceAll('javax.persistence', 'jakarta.persistence')
+		}
+	}
+}
+
+sourceSets.main.java.srcDirs = [transformSources.destinationDir]
+compileJava.dependsOn transformSources
+
 test {
 	useJUnitPlatform()
 	if (System.env.ORACLE_URL) {