From b8ff9bcd308cfb6a2dd56d2b51bd82ed67e58c3d Mon Sep 17 00:00:00 2001
From: Rees Pozzi <rees.pozzi@justice.gov.uk>
Date: Fri, 8 Nov 2024 09:56:34 +0000
Subject: [PATCH] Allow Java21 on yarn builds (#1280)

---
 src/uk/gov/hmcts/contino/YarnBuilder.groovy | 11 +++++++++++
 1 file changed, 11 insertions(+)

diff --git a/src/uk/gov/hmcts/contino/YarnBuilder.groovy b/src/uk/gov/hmcts/contino/YarnBuilder.groovy
index 1a8aa5f16c..12a3caead6 100644
--- a/src/uk/gov/hmcts/contino/YarnBuilder.groovy
+++ b/src/uk/gov/hmcts/contino/YarnBuilder.groovy
@@ -395,6 +395,17 @@ EOF
   @Override
   def setupToolVersion() {
     super.setupToolVersion()
+    // Java required on nodejs pipeline, if data import only available as java job, but project itself is nodejs
+    def statusCodeJava21 = steps.sh(script: """
+      find . -name "build.gradle" -exec grep -l "JavaLanguageVersion.of(21)" {} + > /dev/null
+      """, returnStatus: true)    
+    if (statusCodeJava21 == 0) {
+      def javaHomeLocation = steps.sh(script: 'ls -d /usr/lib/jvm/temurin-21-jdk-*', returnStdout: true, label: 'Detect Java location').trim()
+      steps.env.JAVA_HOME = javaHomeLocation
+      steps.env.PATH = "${steps.env.JAVA_HOME}/bin:${steps.env.PATH}"
+    }
+
+    localSteps.sh "java -version"
     nagAboutOldNodeJSVersions()
   }