use Kotlin & QuPath Gradle plugin

see: qupath/qupath-extension-template/pull/21

Author: Carlo Castoldi

.github/workflows/jpackage.yml

@@ -24,10 +24,10 @@ jobs:
       - name: REUSE Compliance Check
         uses: fsfe/reuse-action@v3
 
-      - name: Set up JDK 17
+      - name: Set up JDK 21
         uses: actions/setup-java@v4
         with:
-          java-version: 17
+          java-version: 21
           distribution: temurin
 
       - name: Validate Gradle wrapper

build.gradle

@@ -0,0 +1,69 @@
+// SPDX-FileCopyrightText: 2024 Carlo Castoldi <carlo.castoldi@outlook.com>
+//
+// SPDX-License-Identifier: CC0-1.0
+
+import java.io.ByteArrayOutputStream
+
+plugins {
+    // QuPath Gradle extension convention plugin
+    id("qupath-conventions")
+    // To optionally create a shadow/fat jar that bundle up any non-core dependencies
+    id("com.gradleup.shadow") version "8.3.5"
+    jacoco
+}
+
+qupathExtension {
+    name = "qupath-extension-braian"
+    group = "io.github.qupath"
+    version = "1.1.0-SNAPSHOT"
+    description = "QuPath extension for whole-brain data extraction"
+    automaticModule = "qupath.extension.braian"
+}
+
+dependencies {
+    // Main dependencies for most QuPath extensions
+    shadow(libs.bundles.qupath)
+    shadow(libs.bundles.logging)
+    shadow(libs.qupath.fxtras)
+    shadow(libs.snakeyaml)
+
+    // For testing
+    testImplementation(libs.bundles.qupath)
+    testImplementation(libs.junit)
+    testImplementation("org.mockito:mockito-core:5.+")
+}
+
+tasks.test {
+    finalizedBy(tasks.jacocoTestReport)
+}
+
+tasks.jacocoTestReport {
+    dependsOn(tasks.test) // tests are required to run before generating the report
+    reports {
+        csv.required = true
+    }
+    doLast {
+        print("INSTRUCTIONS: " + printJacocoCoverage("3"))
+        println("  BRANCHES: " + printJacocoCoverage("5"))
+    }
+}
+
+tasks.jacocoTestCoverageVerification {
+    violationRules {
+        rule {
+            limit {
+                minimum = "0.8".toBigDecimal()
+            }
+        }
+    }
+}
+
+fun printJacocoCoverage(xpath: String): String {
+    val jacocoCoverage = ByteArrayOutputStream()
+    exec {
+        commandLine("xmllint","-html","-xpath", "//tfoot//td["+xpath+"]/text()", "build/reports/jacoco/test/html/index.html")
+        standardOutput = jacocoCoverage
+        isIgnoreExitValue = true
+    }
+    return  jacocoCoverage.toString()
+}

build.gradle.kts

@@ -1,11 +1,6 @@
-# SPDX-FileCopyrightText: 2024 Carlo Castoldi <carlo.castoldi@outlook.com>
-#
-# SPDX-License-Identifier: CC0-1.0
-
-# Fri Aug 16 16:08:32 CEST 2024
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-8.10-bin.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-8.11.1-bin.zip
 networkTimeout=10000
 validateDistributionUrl=true
 zipStoreBase=GRADLE_USER_HOME