Add template option for installing Java

Author: mbg

.github/workflows/__autobuild-direct-tracing-with-working-dir.yml

@@ -5,6 +5,7 @@ description: >
   autobuild Action.
 operatingSystems: ["ubuntu", "windows"]
 versions: ["linked", "nightly-latest"]
+installJava: "true"
 env:
   CODEQL_ACTION_AUTOBUILD_BUILD_MODE_DIRECT_TRACING: true
 steps:

.github/workflows/__autobuild-direct-tracing.yml

@@ -2,6 +2,7 @@ name: "Autobuild direct tracing"
 description: "An end-to-end integration test of a Java repository built using 'build-mode: autobuild', with direct tracing enabled"
 operatingSystems: ["ubuntu", "windows"]
 versions: ["linked", "nightly-latest"]
+installJava: "true"
 env:
   CODEQL_ACTION_AUTOBUILD_BUILD_MODE_DIRECT_TRACING: true
 steps:
@@ -19,7 +20,7 @@ steps:
       db-location: "${{ runner.temp }}/customDbLocation"
       languages: java
       tools: ${{ steps.prepare-test.outputs.tools-url }}
-    
+
   - name: Check that indirect tracing is disabled
     shell: bash
     run: |

pr-checks/checks/autobuild-direct-tracing-with-working-dir.yml

@@ -138,6 +138,28 @@ def writeHeader(checkStream):
             }
         })
 
+    installJava = False
+    if checkSpecification.get('installJava'):
+        installJava = True if checkSpecification['installJava'].lower() == "true" else False
+
+    if installJava:
+        baseJavaVersionExpr = '17'
+        workflowInputs['java-version'] = {
+            'type': 'string',
+            'description': 'The version of Java to install',
+            'required': False,
+            'default': baseJavaVersionExpr,
+        }
+
+        steps.append({
+            'name': 'Install Java',
+            'uses': 'actions/setup-java@v4',
+            'with': {
+                'java-version': '${{ inputs.java-version || \'' + baseJavaVersionExpr + '\' }}',
+                'distribution': 'temurin'
+            }
+        })
+
     # If container initialisation steps are present in the check specification,
     # make sure to execute them first.
     if 'container' in checkSpecification and 'container-init-steps' in checkSpecification: