JDK11+ nashorn scripting, SecurityManager update, Gradle 7.6 (#1426)

* Use openjdk nashorn dependency for scripting
* JDK 11+ buildable (nashorn is not built with 8)
* Gradle and dependency upgrades

.github/workflows/build-fitnesse.yml

@@ -13,7 +13,7 @@ jobs:
         uses: actions/setup-java@v3
         with:
           distribution: 'zulu'
-          java-version: '8'
+          java-version: '11'
       - name: Validate Gradle wrapper
         uses: gradle/wrapper-validation-action@v1
       - name: Build with Gradle

FitNesseRoot/FitNesse/ReleaseNotes/content.txt

@@ -1,4 +1,5 @@
 !2 Pending Changes
+ * Drop Java 8 compatibility and compile with Java 11, Use OpenJDK's nashorn dependency to evaluate JS expressions ([[1426][https://github.com/unclebob/fitnesse/pull/1426]])
 
 !2 20230503
  * Add date and page history link to XML responses. ([[1396][https://github.com/unclebob/fitnesse/issues/1396]])

build.gradle

@@ -15,7 +15,7 @@ buildscript {
         mavenCentral()
     }
     dependencies {
-        classpath 'info.solidsoft.gradle.pitest:gradle-pitest-plugin:1.6.0'
+        classpath 'info.solidsoft.gradle.pitest:gradle-pitest-plugin:1.9.0'
     }
 }
 
@@ -62,7 +62,7 @@ sourceSets {
 
 java {
   toolchain {
-    languageVersion.set(JavaLanguageVersion.of(8))
+    languageVersion.set(JavaLanguageVersion.of(11))
   }
 }
 
@@ -79,6 +79,8 @@ dependencies {
   implementation "org.json:json:20230618"
   implementation "com.googlecode.java-diff-utils:diffutils:1.3.0"
   implementation "org.apache.commons:commons-text:1.10.0"
+  implementation "org.openjdk.nashorn:nashorn-core:15.4"
+
   compileOnly gradleApi()
   compileOnly "org.apache.ant:ant:1.10.13"
   compileOnly "junit:junit:4.13.2"
@@ -180,6 +182,7 @@ jar {
 }
 
 task standaloneJar(type: Jar) {
+  duplicatesStrategy = 'include'
   dependsOn jar
   archiveBaseName = 'fitnesse'
   archiveClassifier = 'standalone'
@@ -296,7 +299,7 @@ nexusPublishing {
 }
 
 wrapper {
-  gradleVersion = '6.9.1'
+  gradleVersion = '7.6'
 }
 
 

buildSrc/src/main/groovy/LessCompiler.groovy

@@ -1,4 +1,8 @@
-import org.gradle.api.tasks.*
+import org.gradle.api.tasks.Input
+import org.gradle.api.tasks.InputDirectory
+import org.gradle.api.tasks.JavaExec
+import org.gradle.api.tasks.OutputFile
+import org.gradle.api.tasks.TaskAction
 
 class LessCompiler extends JavaExec {
   @InputDirectory

gradle/wrapper/gradle-wrapper.properties

@@ -1,5 +1,5 @@
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-7.5.1-bin.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-7.6-bin.zip
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists