WIP

Author: kreinhard

README.adoc

@@ -16,6 +16,18 @@ Unfortunately, this doesn't actually work because the implementation uses its ow
 ## The solution
 The workaround is to unpack the jars used by the scripts.
 
+## Motivation
+Kotlin scripts in my application for evaluations etc. are a powerful option.
+Scripts can be adapted at runtime.
+But please note: scripts must be well secured because they may have full access to the application.
+
+## State of the art (call for improvements)
+I tried several approaches:
+- passing my own classLoader (doesn't work)
+- unpacking jars in the SpringBoot fatjar (does work), and
+- automatically copying jars from the fatjar to the local file system (will follow).
+I will show all approaches here and call for improvements.
+
 ## Gradle vs. Maven
 I migrated my project (ProjectForge) from *Maven* to *Gradle*. In principle, unpacking fatjars with maven is also possible, but it is incredibly more complicated.
 
@@ -27,6 +39,11 @@ This project contains sample code including a gradle setup that implements a min
 ### Module: application
 The Spring Boot application with gradle configuration to unpack the jars.
 
+The current solution:
+
+- Variables can be passed. This is useful, for example, if users are required in ThreadLocal for the user authentication of application functions used.
+- The script is automatically stopped after a defined runtime. This avoids endless scripts or unwanted long-running scripts.
+
 ### Module: business
 A simple module with a class that is used by the Kotlin script.
 
@@ -36,4 +53,3 @@ Just run:
 1. `./gradlew clean build`
 2. `java -jar application/build/libs/application-0.0.1.jar`
 3. See the output in the console.
-4. Use CTRL+C to stop the application.

application/src/main/kotlin/de/micromata/kotlinscripting/DemoApplication.kt

@@ -1,12 +1,14 @@
 package de.micromata.kotlinscripting
 
-import org.jetbrains.kotlin.ir.types.IdSignatureValues.result
+import org.springframework.boot.ExitCodeGenerator
+import org.springframework.boot.SpringApplication
 import org.springframework.boot.autoconfigure.SpringBootApplication
 import org.springframework.boot.runApplication
 import kotlin.script.experimental.api.ResultValue
 import kotlin.script.experimental.api.ResultWithDiagnostics
 import kotlin.script.experimental.api.valueOrNull
 
+
 @SpringBootApplication
 class DemoApplication {
 
@@ -33,6 +35,8 @@ class DemoApplication {
             } else {
                 println("*** Script result: $result")
             }
+            System.exit(0) // Not an elegant way, but here it is enough.
+
         }
     }
 }