spike: binary configuration.

cmd/src/main/java/io/gatehill/imposter/cmd/ImposterLauncher.kt

@@ -123,6 +123,8 @@ class ImposterLauncher(args: Array<String>) {
 
         @JvmStatic
         fun main(args: Array<String>) {
+            println("Ready")
+            readln()
             LogUtil.configureLoggingFromEnvironment()
             LogUtil.configureVertxLogging()
             ImposterLauncher(args)

core/api/src/main/java/io/gatehill/imposter/plugin/config/resource/AbstractResourceConfig.kt

@@ -48,7 +48,7 @@ import io.gatehill.imposter.plugin.config.capture.CaptureConfigHolder
 import io.gatehill.imposter.plugin.config.capture.ItemCaptureConfig
 import io.gatehill.imposter.plugin.config.security.SecurityConfig
 import io.gatehill.imposter.plugin.config.security.SecurityConfigHolder
-import java.util.UUID
+import java.util.*
 
 /**
  * Base configuration for plugins and sub-resources.
@@ -75,7 +75,7 @@ abstract class AbstractResourceConfig : BasicResourceConfig, SecurityConfigHolde
     override val continueToNext: Boolean? = null
 
     @get:JsonIgnore
-    override val resourceId by lazy { UUID.randomUUID().toString() }
+    override val resourceId = UUID.randomUUID().toString()
 
     override fun toString(): String {
         return "AbstractResourceConfig(path=$path, securityConfig=$securityConfig, captureConfig=$captureConfig, responseConfig=$responseConfig, continueToNext=$continueToNext)"

core/config/build.gradle

@@ -14,6 +14,8 @@ dependencies {
     implementation "com.fasterxml.jackson.datatype:jackson-datatype-jsr310:$version_jackson"
     implementation "com.fasterxml.jackson.module:jackson-module-kotlin:$version_jackson"
 
+    implementation "com.esotericsoftware:kryo:5.6.0"
+
     // test
     testImplementation "junit:junit:$version_junit"
     testImplementation group: 'org.hamcrest', name: 'hamcrest', version: version_hamcrest

core/config/src/main/java/io/gatehill/imposter/config/util/BinarySerialisationUtil.kt

@@ -0,0 +1,58 @@
+package io.gatehill.imposter.config.util
+
+import com.esotericsoftware.kryo.Kryo
+import com.esotericsoftware.kryo.io.Input
+import com.esotericsoftware.kryo.io.Output
+import java.io.ByteArrayInputStream
+import java.io.ByteArrayOutputStream
+import java.io.File
+import java.io.ObjectInputStream
+import java.io.ObjectOutputStream
+
+object BinarySerialisationUtil {
+    val kryo = Kryo().apply {
+        isRegistrationRequired = false
+        references = true
+    }
+
+    /**
+     * Serialises an object to a file using Kryo.
+     */
+    fun serialise(obj: Any, filePath: String) {
+        File(filePath).outputStream().use {
+            val output = Output(it)
+            kryo.writeClassAndObject(output, obj)
+            output.close()
+        }
+    }
+
+    /**
+     * Deserialises an object from a file using Kryo.
+     */
+    fun <T> deserialise(filePath: String): T {
+        return File(filePath).inputStream().use {
+            val input = Input(it)
+            val obj = kryo.readClassAndObject(input) as T
+            input.close()
+            obj
+        }
+    }
+
+    fun serialiseJOS(obj: Any, filePath: String) {
+        ByteArrayOutputStream().use { byteArrayOutputStream ->
+            ObjectOutputStream(byteArrayOutputStream).use { objectOutputStream ->
+                objectOutputStream.writeObject(obj)
+                java.io.File(filePath).writeBytes(byteArrayOutputStream.toByteArray())
+            }
+        }
+    }
+
+    fun <T> deserialiseJOS(filePath: String): T {
+        val bytes = java.io.File(filePath).readBytes()
+        return ByteArrayInputStream(bytes).use { byteArrayInputStream ->
+            ObjectInputStream(byteArrayInputStream).use { objectInputStream ->
+                objectInputStream.readObject()
+            }
+        } as T
+    }
+}

core/config/src/main/java/io/gatehill/imposter/config/util/ConfigUtil.kt

@@ -293,7 +293,14 @@ object ConfigUtil {
     ): T {
         val configFile = loadedConfig.ref.file
         try {
-            val config = lookupMapper(configFile).readValue(loadedConfig.serialised, configClass)!!
+            var config = lookupMapper(configFile).readValue(loadedConfig.serialised, configClass)!!
+
+            BinarySerialisationUtil.serialise(config, "/tmp/config.bin")
+            println("serialised config")
+
+            config = BinarySerialisationUtil.deserialise("/tmp/config.bin")
+            println("deserialised config")
+
             check(config.plugin != null) { "No plugin specified in configuration file: $configFile" }
             config.dir = configFile.parentFile