From 1cfb0e2b73d1c29c519a09123f67085fe292fb9e Mon Sep 17 00:00:00 2001
From: tpetrychyn <tpetrychyn@gmail.com>
Date: Tue, 23 Jun 2020 09:57:15 -0600
Subject: [PATCH] add java version check

---
 build.gradle.kts                                      | 2 +-
 src/main/kotlin/controllers/CacheChooserController.kt | 9 +++++++++
 2 files changed, 10 insertions(+), 1 deletion(-)

diff --git a/build.gradle.kts b/build.gradle.kts
index 16235f2..9244c71 100644
--- a/build.gradle.kts
+++ b/build.gradle.kts
@@ -6,7 +6,7 @@ plugins {
 }
 
 group = "org.example"
-version = "0.1.1-SNAPSHOT"
+version = "0.1.1"
 
 repositories {
     mavenCentral()
diff --git a/src/main/kotlin/controllers/CacheChooserController.kt b/src/main/kotlin/controllers/CacheChooserController.kt
index 6d6f77a..1d033e3 100644
--- a/src/main/kotlin/controllers/CacheChooserController.kt
+++ b/src/main/kotlin/controllers/CacheChooserController.kt
@@ -71,6 +71,15 @@ class CacheChooserController @Inject constructor(
 
     @FXML
     private fun initialize() {
+        val javaVer = System.getProperty("java.version")
+        val majorVer = javaVer.split(".")[0].toInt()
+        if (majorVer < 11) {
+            lblErrorText.isVisible = true
+            lblErrorText.text = "Java version detected ($javaVer) is too low, please update Java to at least version 11."
+            btnLaunch.isDisable = true
+            return
+        }
+
         val listCachesPlaceholder = Label("No downloadable caches found.")
         listCachesPlaceholder.isWrapText = true
         listCachesPlaceholder.textAlignment = TextAlignment.CENTER