build.gradle

allprojects {
    apply plugin: 'java'
    sourceCompatibility = 1.6
    targetCompatibility = 1.6
}

apply plugin: 'eclipse'

repositories {
   mavenCentral()
}
dependencies {
   compile 'org.luaj:luaj-jse:3.0.1'
   compile 'org.apache.bcel:bcel:5.2'
}

// For applying correct eclipse configuration of the version of java.
project.afterEvaluate {
  // use jre lib matching version used by project, not the workspace default
  if (project.sourceCompatibility != null) {
    def target = project.sourceCompatibility.toString()
    def containerPrefix = "org.eclipse.jdt.launching.JRE_CONTAINER"
    def containerSuffix
    if (target =~ /1.[4-5]/) {
      containerSuffix = '/org.eclipse.jdt.internal.debug.ui.launcher.StandardVMType/J2SE-' + target
    } else if (target =~ /1.[6-8]/) {
      containerSuffix = '/org.eclipse.jdt.internal.debug.ui.launcher.StandardVMType/JavaSE-' + target
    }
    if (containerSuffix != null) {
      project.eclipse.classpath {
        containers.removeAll { it.startsWith(containerPrefix) }
        containers.add(containerPrefix + containerSuffix)
      }
    }
  }
}