chore: upgrade to Java 19

Use Java 19 and Jetty 12 to take advantage of Project Loom preview
features to reduce CPU usage due to XtextWebDocumentAccess thread pools.

2 files changed, 17 insertions, 1 deletions

diff --git a/buildSrc/src/main/groovy/refinery-java-application.gradle b/buildSrc/src/main/groovy/refinery-java-application.gradle
index c38ccdb3..9abfc2b3 100644
--- a/buildSrc/src/main/groovy/refinery-java-application.gradle
+++ b/buildSrc/src/main/groovy/refinery-java-application.gradle
@@ -4,6 +4,10 @@ plugins {
         id 'refinery-java-conventions'
 }
 
+application {
+        applicationDefaultJvmArgs += '--enable-preview'
+}
+
 for (taskName in ['distTar', 'distZip', 'shadowDistTar', 'shadowDistZip']) {
         tasks.named(taskName) {
                 enabled = false
diff --git a/buildSrc/src/main/groovy/refinery-java-conventions.gradle b/buildSrc/src/main/groovy/refinery-java-conventions.gradle
index b95153ce..eedefdf8 100644
--- a/buildSrc/src/main/groovy/refinery-java-conventions.gradle
+++ b/buildSrc/src/main/groovy/refinery-java-conventions.gradle
@@ -21,7 +21,7 @@ dependencies {
 }
 
 java.toolchain {
-        languageVersion = JavaLanguageVersion.of(17)
+        languageVersion = JavaLanguageVersion.of(19)
 }
 
 def jacocoTestReport = tasks.named('jacocoTestReport')
@@ -53,6 +53,18 @@ tasks.named('jar') {
         }
 }
 
+tasks.withType(JavaCompile) {
+        options.compilerArgs += '--enable-preview'
+}
+
+tasks.withType(Test) {
+        jvmArgs += '--enable-preview'
+}
+
+tasks.withType(JavaExec) {
+        jvmArgs += '--enable-preview'
+}
+
 def generateEclipseSourceFolders = tasks.register('generateEclipseSourceFolders')
 
 tasks.register('prepareEclipse') {