config migration

src/main/java/de/bixilon/minosoft/config/Configuration.kt

@@ -15,9 +15,11 @@ package de.bixilon.minosoft.config
 import com.squareup.moshi.JsonWriter
 import de.bixilon.minosoft.Minosoft
 import de.bixilon.minosoft.config.config.Config
+import de.bixilon.minosoft.util.KUtil.nullCast
 import de.bixilon.minosoft.util.Util
 import de.bixilon.minosoft.util.json.JSONSerializer
 import de.bixilon.minosoft.util.logging.Log
+import de.bixilon.minosoft.util.nbt.tag.NBTUtil.compoundCast
 import okio.Buffer
 import java.io.File
 import java.io.FileWriter
@@ -30,13 +32,24 @@ class Configuration(private val configName: String = StaticConfiguration.CONFIG_
 
     init {
         if (file.exists()) {
-            config = JSONSerializer.CONFIG_ADAPTER.fromJson(Util.readFile(file.absolutePath))!!
+            val config = JSONSerializer.MAP_ADAPTER.fromJson(Util.readFile(file.absolutePath))!!
 
-            if (config.general.version > LATEST_CONFIG_VERSION) {
+            var wasMigrated = false
-                throw ConfigMigrationException(String.format("Configuration was migrated to newer config format (version=${config.general.version}, expected=${LATEST_CONFIG_VERSION}). Downgrading the config file is unsupported!"))
+            let {
+                val configVersion = config["general"]?.compoundCast()?.get("version")?.nullCast<Int>() ?: return@let
+                if (config["general"]?.compoundCast()?.get("version")?.nullCast<Int>() ?: 0 > LATEST_CONFIG_VERSION) {
+                    throw ConfigMigrationException("Configuration was migrated to newer config format (version=${configVersion}, expected=${LATEST_CONFIG_VERSION}). Downgrading the config file is unsupported!")
                 }
-            if (config.general.version < LATEST_CONFIG_VERSION) {
+                if (configVersion < LATEST_CONFIG_VERSION) {
-                migrateConfiguration()
+                    startMigration(configVersion, config)
+                    wasMigrated = true
+                }
+            }
+
+            this.config = JSONSerializer.CONFIG_ADAPTER.fromJsonValue(config)!!
+
+            if (wasMigrated) {
+                saveToFile()
             }
         } else {
             // no configuration file
@@ -79,21 +92,19 @@ class Configuration(private val configName: String = StaticConfiguration.CONFIG_
         }
     }
 
-    private fun migrateConfiguration() {
+    private fun startMigration(configVersion: Int, config: MutableMap<String, Any>) {
-        Log.info(String.format("Migrating config from version ${config.general.version} to  $LATEST_CONFIG_VERSION"))
+        Log.info(String.format("Migrating config from version $configVersion to  $LATEST_CONFIG_VERSION"))
-        for (nextVersion in config.general.version + 1..LATEST_CONFIG_VERSION) {
+        for (nextVersion in configVersion + 1..LATEST_CONFIG_VERSION) {
-            migrateConfiguration(nextVersion)
+            migrateConfiguration(nextVersion, config)
         }
-        config.general.version = LATEST_CONFIG_VERSION
+        config["general"]?.compoundCast()?.put("version", LATEST_CONFIG_VERSION)
-        saveToFile()
         Log.info("Finished migrating config!")
     }
 
-    private fun migrateConfiguration(nextVersion: Int) {
+    private fun migrateConfiguration(nextVersion: Int, config: Map<String, Any>) {
-        // switch (nextVersion) {
+        when (nextVersion) {
-        //     // ToDo
+            else -> throw ConfigMigrationException("Can not migrate config: Unknown config version $nextVersion")
-        //     default: throw new ConfigMigrationException("Can not migrate config: Unknown config version " + nextVersion);
+        }
-        // }
     }
 
     companion object {

src/main/java/de/bixilon/minosoft/data/Axes.kt

@@ -18,7 +18,8 @@ import glm_.vec3.Vec3i
 enum class Axes {
     X,
     Y,
-    Z;
+    Z,
+    ;
 
     companion object {
         fun byDirection(direction: Directions): Axes {

src/main/java/de/bixilon/minosoft/gui/rendering/hud/HUDRenderBuilder.kt

@@ -18,7 +18,6 @@ import de.bixilon.minosoft.gui.rendering.hud.nodes.HUDElement
 
 interface HUDRenderBuilder<T : HUDElement> {
     val RESOURCE_LOCATION: ResourceLocation
-
     val DEFAULT_PROPERTIES: HUDElementProperties
 
     fun build(hudRenderer: HUDRenderer): T

src/main/java/de/bixilon/minosoft/protocol/packets/c2s/play/ClientActionC2SP.kt

@@ -39,7 +39,8 @@ class ClientActionC2SP(
     enum class ClientActions {
         PERFORM_RESPAWN,
         REQUEST_STATISTICS,
-        OPEN_INVENTORY;
+        OPEN_INVENTORY,
+        ;
 
         companion object : ValuesEnum<ClientActions> {
             override val VALUES: Array<ClientActions> = values()

src/main/java/de/bixilon/minosoft/util/json/JSONSerializer.kt

@@ -13,7 +13,9 @@
 
 package de.bixilon.minosoft.util.json
 
+import com.squareup.moshi.JsonAdapter
 import com.squareup.moshi.Moshi
+import com.squareup.moshi.Types
 import com.squareup.moshi.kotlin.reflect.KotlinJsonAdapterFactory
 import de.bixilon.minosoft.config.config.Config
 import de.bixilon.minosoft.gui.rendering.textures.properties.ImageProperties
@@ -29,6 +31,7 @@ object JSONSerializer {
         .build()!!
 
     val CONFIG_ADAPTER = MOSHI.adapter(Config::class.java)!!
+    val MAP_ADAPTER: JsonAdapter<MutableMap<String, Any>> = MOSHI.adapter(Types.newParameterizedType(MutableMap::class.java, String::class.java, Any::class.java))
 
     val IMAGE_PROPERTIES_ADAPTER = MOSHI.adapter(ImageProperties::class.java)!!
 }