set java language version

Author: rheimus

build-gui/build.gradle

@@ -9,10 +9,6 @@ plugins {
 group = ss_group
 version = '4.3.1'
 
-application {
-    mainClass = ss_main_class
-}
-
 repositories {
     mavenCentral()
 }
@@ -31,12 +27,24 @@ dependencies {
     implementation "org.openjfx:javafx-controls:$javafx.version:mac"
 }
 
+java {
+    toolchain {
+        languageVersion = JavaLanguageVersion.of(java_language_version)
+    }
+}
+
+application {
+    mainClass = ss_main_class
+}
+
 javafx {
     version = "17.0.13"
     modules = ['javafx.controls']
 }
 
-jar.enabled = false
+jar {
+    enabled = false
+}
 
 // Configure the shadowJar task (with JavaFX)
 shadowJar {

build-server/build.gradle

@@ -8,10 +8,6 @@ plugins {
 group = ss_group
 version = '4.3.1'
 
-application {
-    mainClass = ss_main_class
-}
-
 repositories {
     mavenCentral()
 }
@@ -24,8 +20,19 @@ dependencies {
     implementation fileTree(dir: 'libs', include: '*.jar')
 }
 
+java {
+    toolchain {
+        languageVersion = JavaLanguageVersion.of(java_language_version)
+    }
+}
 
-jar.enabled = false
+jar {
+    enabled = false
+}
+
+application {
+    mainClass = ss_main_class
+}
 
 // Configure the shadowJar task (with JavaFX)
 shadowJar {

build-shared/build.gradle

@@ -1,7 +1,6 @@
 plugins {
     id 'edu.sc.seis.launch4j' version '2.5.4'
-    id 'java'
-
+    id 'java-library'
 }
 
 repositories {
@@ -21,6 +20,12 @@ dependencies {
     testRuntimeOnly 'org.junit.jupiter:junit-jupiter-engine:5.8.2', 'com.eclipsesource.minimal-json:minimal-json:0.9.5'
 }
 
+java {
+    toolchain {
+        languageVersion = JavaLanguageVersion.of(java_language_version)
+    }
+}
+
 test {
     useJUnitPlatform()
     afterTest { desc, result ->

gradle.properties

@@ -1,3 +1,4 @@
 ss_main_class = com.superzanti.serversync.ServerSync
 ss_group = com.superzanti.serversync
+java_language_version = 17
 org.gradle.warning.mode=all