Merge pull request #217 from InsanusMokrassar/0.16.6

0.16.6

CHANGELOG.md

@@ -1,5 +1,18 @@
 # Changelog
 
+## 0.16.6
+
+* `Startup`:
+    * `Launcher`:
+        * Improvements in `StartLauncherPlugin#start` methods
+        * Add opportunity to pass second argument on `JVM` platform as log level
+* `Repos`:
+    * `Ktor`:
+        * `Client`:
+            * All clients repos got opportunity to customize their flows
+    * `Exposed`:
+        * Extensions `eqOrIsNull` and `neqOrIsNotNull` for `Column`
+
 ## 0.16.5
 
 * `Versions`:

gradle.properties

@@ -14,5 +14,5 @@ crypto_js_version=4.1.1
 # Project data
 
 group=dev.inmo
-version=0.16.5
+version=0.16.6
-android_code_version=173
+android_code_version=174

ktor/client/src/commonMain/kotlin/dev/inmo/micro_utils/ktor/client/NewFlowsWebsockets.kt

@@ -19,7 +19,7 @@ import kotlinx.coroutines.isActive
  * connection. Must return true in case if must be reconnected. By default always reconnecting
  */
 @Warning("This feature is internal and should not be used directly. It is can be changed without any notification and warranty on compile-time or other guaranties")
-inline fun <reified T : Any> openBaseWebSocketFlow(
+inline fun <T : Any> openBaseWebSocketFlow(
     noinline checkReconnection: suspend (Throwable?) -> Boolean = { true },
     noinline webSocketSessionRequest: suspend SendChannel<T>.() -> Unit
 ): Flow<T> {
@@ -57,7 +57,7 @@ inline fun <reified T : Any> HttpClient.openWebSocketFlow(
 ): Flow<T> {
     pluginOrNull(WebSockets) ?: error("Plugin $WebSockets must be installed for using createStandardWebsocketFlow")
 
-    return openBaseWebSocketFlow<T>(checkReconnection) {
+    return openBaseWebSocketFlow(checkReconnection) {
         val block: suspend DefaultClientWebSocketSession.() -> Unit = {
             while (isActive) {
                 send(receiveDeserialized<T>())

repos/exposed/src/jvmMain/kotlin/dev/inmo/micro_utils/repos/exposed/ColumnEqOrNull.kt

@@ -0,0 +1,23 @@
+package dev.inmo.micro_utils.repos.exposed
+
+import org.jetbrains.exposed.sql.Column
+import org.jetbrains.exposed.sql.SqlExpressionBuilder.eq
+import org.jetbrains.exposed.sql.SqlExpressionBuilder.isNotNull
+import org.jetbrains.exposed.sql.SqlExpressionBuilder.isNull
+import org.jetbrains.exposed.sql.SqlExpressionBuilder.neq
+
+fun <T> Column<T?>.eqOrIsNull(
+    value: T?
+) = if (value == null) {
+    isNull()
+} else {
+    eq(value)
+}
+
+fun <T> Column<T?>.neqOrIsNotNull(
+    value: T?
+) = if (value == null) {
+    isNotNull()
+} else {
+    neq(value)
+}

repos/ktor/client/src/commonMain/kotlin/dev/inmo/micro_utils/repos/ktor/client/crud/KtorCRUDRepoClient.kt

@@ -1,12 +1,17 @@
 package dev.inmo.micro_utils.repos.ktor.client.crud
 
+import dev.inmo.micro_utils.ktor.client.createStandardWebsocketFlow
 import dev.inmo.micro_utils.ktor.common.*
 import dev.inmo.micro_utils.pagination.PaginationResult
 import dev.inmo.micro_utils.repos.*
+import dev.inmo.micro_utils.repos.ktor.common.crud.deletedObjectsIdsFlowRouting
+import dev.inmo.micro_utils.repos.ktor.common.crud.newObjectsFlowRouting
+import dev.inmo.micro_utils.repos.ktor.common.crud.updatedObjectsFlowRouting
 import io.ktor.client.HttpClient
 import io.ktor.http.ContentType
 import io.ktor.util.reflect.TypeInfo
 import io.ktor.util.reflect.typeInfo
+import kotlinx.coroutines.flow.Flow
 import kotlinx.serialization.*
 
 class KtorCRUDRepoClient<ObjectType, IdType, InputValue> (
@@ -21,6 +26,15 @@ class KtorCRUDRepoClient<ObjectType, IdType, InputValue> (
             baseUrl: String,
             httpClient: HttpClient,
             contentType: ContentType,
+            newObjectsFlow: Flow<ObjectType> = httpClient.createStandardWebsocketFlow(
+                buildStandardUrl(baseUrl, newObjectsFlowRouting),
+            ),
+            updatedObjectsFlow: Flow<ObjectType> = httpClient.createStandardWebsocketFlow(
+                buildStandardUrl(baseUrl, updatedObjectsFlowRouting),
+            ),
+            deletedObjectsIdsFlow: Flow<IdType> = httpClient.createStandardWebsocketFlow(
+                buildStandardUrl(baseUrl, deletedObjectsIdsFlowRouting),
+            ),
             noinline idSerializer: suspend (IdType) -> String
         ) = KtorCRUDRepoClient(
             KtorReadCRUDRepoClient(
@@ -35,7 +49,10 @@ class KtorCRUDRepoClient<ObjectType, IdType, InputValue> (
             KtorWriteCrudRepoClient<ObjectType, IdType, InputValue>(
                 baseUrl,
                 httpClient,
-                contentType
+                contentType,
+                newObjectsFlow,
+                updatedObjectsFlow,
+                deletedObjectsIdsFlow
             )
         )
 
@@ -44,11 +61,23 @@ class KtorCRUDRepoClient<ObjectType, IdType, InputValue> (
             subpart: String,
             httpClient: HttpClient,
             contentType: ContentType,
+            newObjectsFlow: Flow<ObjectType> = httpClient.createStandardWebsocketFlow(
+                buildStandardUrl(baseUrl, newObjectsFlowRouting),
+            ),
+            updatedObjectsFlow: Flow<ObjectType> = httpClient.createStandardWebsocketFlow(
+                buildStandardUrl(baseUrl, updatedObjectsFlowRouting),
+            ),
+            deletedObjectsIdsFlow: Flow<IdType> = httpClient.createStandardWebsocketFlow(
+                buildStandardUrl(baseUrl, deletedObjectsIdsFlowRouting),
+            ),
             noinline idSerializer: suspend (IdType) -> String
         ) = KtorCRUDRepoClient<ObjectType, IdType, InputValue>(
             buildStandardUrl(baseUrl, subpart),
             httpClient,
             contentType,
+            newObjectsFlow,
+            updatedObjectsFlow,
+            deletedObjectsIdsFlow,
             idSerializer
         )
     }
@@ -80,11 +109,23 @@ inline fun <reified ObjectType, reified IdType, reified InputValue> KtorCRUDRepo
     subpart: String,
     httpClient: HttpClient,
     contentType: ContentType,
+    newObjectsFlow: Flow<ObjectType> = httpClient.createStandardWebsocketFlow(
+        buildStandardUrl(baseUrl, newObjectsFlowRouting),
+    ),
+    updatedObjectsFlow: Flow<ObjectType> = httpClient.createStandardWebsocketFlow(
+        buildStandardUrl(baseUrl, updatedObjectsFlowRouting),
+    ),
+    deletedObjectsIdsFlow: Flow<IdType> = httpClient.createStandardWebsocketFlow(
+        buildStandardUrl(baseUrl, deletedObjectsIdsFlowRouting),
+    ),
     noinline idSerializer: suspend (IdType) -> String
 ) = KtorCRUDRepoClient<ObjectType, IdType, InputValue>(
     buildStandardUrl(baseUrl, subpart),
     httpClient,
     contentType,
+    newObjectsFlow,
+    updatedObjectsFlow,
+    deletedObjectsIdsFlow,
     idSerializer
 )
 

repos/ktor/client/src/commonMain/kotlin/dev/inmo/micro_utils/repos/ktor/client/crud/KtorWriteCrudRepoClient.kt

@@ -53,19 +53,22 @@ class KtorWriteCrudRepoClient<ObjectType, IdType, InputValue> (
         inline operator fun <reified ObjectType, reified IdType, reified InputValue> invoke(
             baseUrl: String,
             httpClient: HttpClient,
-            contentType: ContentType
+            contentType: ContentType,
+            newObjectsFlow: Flow<ObjectType> = httpClient.createStandardWebsocketFlow(
+                buildStandardUrl(baseUrl, newObjectsFlowRouting),
+            ),
+            updatedObjectsFlow: Flow<ObjectType> = httpClient.createStandardWebsocketFlow(
+                buildStandardUrl(baseUrl, updatedObjectsFlowRouting),
+            ),
+            deletedObjectsIdsFlow: Flow<IdType> = httpClient.createStandardWebsocketFlow(
+                buildStandardUrl(baseUrl, deletedObjectsIdsFlowRouting),
+            ),
         ) = KtorWriteCrudRepoClient<ObjectType, IdType, InputValue>(
             baseUrl,
             httpClient,
-            httpClient.createStandardWebsocketFlow(
+            newObjectsFlow,
-                buildStandardUrl(baseUrl, newObjectsFlowRouting),
+            updatedObjectsFlow,
-            ),
+            deletedObjectsIdsFlow,
-            httpClient.createStandardWebsocketFlow(
-                buildStandardUrl(baseUrl, updatedObjectsFlowRouting),
-            ),
-            httpClient.createStandardWebsocketFlow(
-                buildStandardUrl(baseUrl, deletedObjectsIdsFlowRouting),
-            ),
             {
                 contentType(contentType)
                 setBody(it)

repos/ktor/client/src/commonMain/kotlin/dev/inmo/micro_utils/repos/ktor/client/key/value/KtorKeyValueRepoClient.kt

@@ -1,10 +1,14 @@
 package dev.inmo.micro_utils.repos.ktor.client.key.value
 
+import dev.inmo.micro_utils.ktor.client.createStandardWebsocketFlow
 import dev.inmo.micro_utils.ktor.common.*
 import dev.inmo.micro_utils.repos.*
+import dev.inmo.micro_utils.repos.ktor.common.key_value.onNewValueRoute
+import dev.inmo.micro_utils.repos.ktor.common.key_value.onValueRemovedRoute
 import io.ktor.client.HttpClient
 import io.ktor.http.ContentType
 import io.ktor.http.encodeURLQueryComponent
+import kotlinx.coroutines.flow.Flow
 import kotlinx.serialization.*
 
 class KtorKeyValueRepoClient<Key, Value> (
@@ -20,6 +24,12 @@ class KtorKeyValueRepoClient<Key, Value> (
             httpClient: HttpClient,
             contentType: ContentType,
             noinline idSerializer: suspend (Key) -> String,
+            onNewValue: Flow<Pair<Key, Value>> = httpClient.createStandardWebsocketFlow(
+                buildStandardUrl(baseUrl, onNewValueRoute),
+            ),
+            onValueRemoved: Flow<Key> = httpClient.createStandardWebsocketFlow(
+                buildStandardUrl(baseUrl, onValueRemovedRoute),
+            ),
             noinline valueSerializer: suspend (Value) -> String
         ) = KtorKeyValueRepoClient(
             KtorReadKeyValueRepoClient(
@@ -28,7 +38,9 @@ class KtorKeyValueRepoClient<Key, Value> (
             KtorWriteKeyValueRepoClient(
                 baseUrl,
                 httpClient,
-                contentType
+                contentType,
+                onNewValue,
+                onValueRemoved
             )
         )
         inline operator fun <reified Key, reified Value> invoke(
@@ -37,12 +49,20 @@ class KtorKeyValueRepoClient<Key, Value> (
             httpClient: HttpClient,
             contentType: ContentType,
             noinline idSerializer: suspend (Key) -> String,
+            onNewValue: Flow<Pair<Key, Value>> = httpClient.createStandardWebsocketFlow(
+                buildStandardUrl(baseUrl, onNewValueRoute),
+            ),
+            onValueRemoved: Flow<Key> = httpClient.createStandardWebsocketFlow(
+                buildStandardUrl(baseUrl, onValueRemovedRoute),
+            ),
             noinline valueSerializer: suspend (Value) -> String
         ) = KtorKeyValueRepoClient(
             buildStandardUrl(baseUrl, subpart),
             httpClient,
             contentType,
             idSerializer,
+            onNewValue,
+            onValueRemoved,
             valueSerializer
         )
     }

repos/ktor/client/src/commonMain/kotlin/dev/inmo/micro_utils/repos/ktor/client/key/value/KtorWriteKeyValueRepoClient.kt

@@ -60,17 +60,19 @@ class KtorWriteKeyValueRepoClient<Key, Value>(
         inline operator fun <reified Key, reified Value> invoke(
             baseUrl: String,
             httpClient: HttpClient,
-            contentType: ContentType
+            contentType: ContentType,
+            onNewValue: Flow<Pair<Key, Value>> = httpClient.createStandardWebsocketFlow(
+                buildStandardUrl(baseUrl, onNewValueRoute),
+            ),
+            onValueRemoved: Flow<Key> = httpClient.createStandardWebsocketFlow(
+                buildStandardUrl(baseUrl, onValueRemovedRoute),
+            ),
         ) = KtorWriteKeyValueRepoClient<Key, Value>(
             baseUrl,
             httpClient,
             contentType,
-            httpClient.createStandardWebsocketFlow(
+            onNewValue,
-                buildStandardUrl(baseUrl, onNewValueRoute),
+            onValueRemoved,
-            ),
-            httpClient.createStandardWebsocketFlow(
-                buildStandardUrl(baseUrl, onValueRemovedRoute),
-            ),
             typeInfo<List<Key>>(),
             typeInfo<List<Value>>(),
             typeInfo<Map<Key, Value>>()

repos/ktor/client/src/commonMain/kotlin/dev/inmo/micro_utils/repos/ktor/client/key/values/KtorKeyValuesRepoClient.kt

@@ -1,10 +1,15 @@
 package dev.inmo.micro_utils.repos.ktor.client.key.values
 
+import dev.inmo.micro_utils.ktor.client.createStandardWebsocketFlow
 import dev.inmo.micro_utils.ktor.common.*
 import dev.inmo.micro_utils.repos.*
+import dev.inmo.micro_utils.repos.ktor.common.one_to_many.onDataClearedRoute
+import dev.inmo.micro_utils.repos.ktor.common.one_to_many.onNewValueRoute
+import dev.inmo.micro_utils.repos.ktor.common.one_to_many.onValueRemovedRoute
 import io.ktor.client.HttpClient
 import io.ktor.http.ContentType
 import io.ktor.http.encodeURLQueryComponent
+import kotlinx.coroutines.flow.Flow
 import kotlinx.serialization.*
 
 class KtorKeyValuesRepoClient<Key, Value> (
@@ -20,6 +25,15 @@ class KtorKeyValuesRepoClient<Key, Value> (
             httpClient: HttpClient,
             contentType: ContentType,
             noinline keySerializer: suspend (Key) -> String,
+            onNewValue: Flow<Pair<Key, Value>> = httpClient.createStandardWebsocketFlow(
+                buildStandardUrl(baseUrl, onNewValueRoute),
+            ),
+            onValueRemoved: Flow<Pair<Key, Value>> = httpClient.createStandardWebsocketFlow(
+                buildStandardUrl(baseUrl, onValueRemovedRoute),
+            ),
+            onDataCleared: Flow<Key> = httpClient.createStandardWebsocketFlow(
+                buildStandardUrl(baseUrl, onDataClearedRoute),
+            ),
             noinline valueSerializer: suspend (Value) -> String
         ) = KtorKeyValuesRepoClient(
             KtorReadKeyValuesRepoClient(
@@ -32,7 +46,10 @@ class KtorKeyValuesRepoClient<Key, Value> (
             KtorWriteKeyValuesRepoClient(
                 baseUrl,
                 httpClient,
-                contentType
+                contentType,
+                onNewValue,
+                onValueRemoved,
+                onDataCleared
             )
         )
         inline operator fun <reified Key : Any, reified Value : Any> invoke(
@@ -41,12 +58,24 @@ class KtorKeyValuesRepoClient<Key, Value> (
             httpClient: HttpClient,
             contentType: ContentType,
             noinline keySerializer: suspend (Key) -> String,
+            onNewValue: Flow<Pair<Key, Value>> = httpClient.createStandardWebsocketFlow(
+                buildStandardUrl(baseUrl, onNewValueRoute),
+            ),
+            onValueRemoved: Flow<Pair<Key, Value>> = httpClient.createStandardWebsocketFlow(
+                buildStandardUrl(baseUrl, onValueRemovedRoute),
+            ),
+            onDataCleared: Flow<Key> = httpClient.createStandardWebsocketFlow(
+                buildStandardUrl(baseUrl, onDataClearedRoute),
+            ),
             noinline valueSerializer: suspend (Value) -> String
         ) = KtorKeyValuesRepoClient(
             buildStandardUrl(baseUrl, subpart),
             httpClient,
             contentType,
             keySerializer,
+            onNewValue,
+            onValueRemoved,
+            onDataCleared,
             valueSerializer
         )
     }
@@ -59,13 +88,25 @@ inline fun <reified Key : Any, reified Value : Any> KtorKeyValuesRepoClient(
     keySerializer: SerializationStrategy<Key>,
     valueSerializer: SerializationStrategy<Value>,
     serialFormat: StringFormat,
+    onNewValue: Flow<Pair<Key, Value>> = httpClient.createStandardWebsocketFlow(
+        buildStandardUrl(baseUrl, onNewValueRoute),
+    ),
+    onValueRemoved: Flow<Pair<Key, Value>> = httpClient.createStandardWebsocketFlow(
+        buildStandardUrl(baseUrl, onValueRemovedRoute),
+    ),
+    onDataCleared: Flow<Key> = httpClient.createStandardWebsocketFlow(
+        buildStandardUrl(baseUrl, onDataClearedRoute),
+    ),
 ) = KtorKeyValuesRepoClient<Key, Value>(
     baseUrl,
     httpClient,
     contentType,
     {
         serialFormat.encodeToString(keySerializer, it).encodeURLQueryComponent()
-    }
+    },
+    onNewValue,
+    onValueRemoved,
+    onDataCleared
 ) {
     serialFormat.encodeToString(valueSerializer, it).encodeURLQueryComponent()
 }
@@ -77,13 +118,25 @@ inline fun <reified Key : Any, reified Value : Any> KtorKeyValuesRepoClient(
     keySerializer: SerializationStrategy<Key>,
     valueSerializer: SerializationStrategy<Value>,
     serialFormat: BinaryFormat,
+    onNewValue: Flow<Pair<Key, Value>> = httpClient.createStandardWebsocketFlow(
+        buildStandardUrl(baseUrl, onNewValueRoute),
+    ),
+    onValueRemoved: Flow<Pair<Key, Value>> = httpClient.createStandardWebsocketFlow(
+        buildStandardUrl(baseUrl, onValueRemovedRoute),
+    ),
+    onDataCleared: Flow<Key> = httpClient.createStandardWebsocketFlow(
+        buildStandardUrl(baseUrl, onDataClearedRoute),
+    ),
 ) = KtorKeyValuesRepoClient<Key, Value>(
     baseUrl,
     httpClient,
     contentType,
     {
         serialFormat.encodeHex(keySerializer, it)
-    }
+    },
+    onNewValue,
+    onValueRemoved,
+    onDataCleared
 ) {
     serialFormat.encodeHex(valueSerializer, it)
 }

repos/ktor/client/src/commonMain/kotlin/dev/inmo/micro_utils/repos/ktor/client/key/values/KtorWriteKeyValuesRepoClient.kt

@@ -84,20 +84,23 @@ class KtorWriteKeyValuesRepoClient<Key : Any, Value : Any>(
         inline operator fun <reified Key : Any, reified Value : Any> invoke(
             baseUrl: String,
             httpClient: HttpClient,
-            contentType: ContentType
+            contentType: ContentType,
+            onNewValue: Flow<Pair<Key, Value>> = httpClient.createStandardWebsocketFlow(
+                buildStandardUrl(baseUrl, onNewValueRoute),
+            ),
+            onValueRemoved: Flow<Pair<Key, Value>> = httpClient.createStandardWebsocketFlow(
+                buildStandardUrl(baseUrl, onValueRemovedRoute),
+            ),
+            onDataCleared: Flow<Key> = httpClient.createStandardWebsocketFlow(
+                buildStandardUrl(baseUrl, onDataClearedRoute),
+            ),
         ) = KtorWriteKeyValuesRepoClient<Key, Value>(
             baseUrl,
             httpClient,
             contentType,
-            httpClient.createStandardWebsocketFlow(
+            onNewValue,
-                buildStandardUrl(baseUrl, onNewValueRoute),
+            onValueRemoved,
-            ),
+            onDataCleared,
-            httpClient.createStandardWebsocketFlow(
-                buildStandardUrl(baseUrl, onValueRemovedRoute),
-            ),
-            httpClient.createStandardWebsocketFlow(
-                buildStandardUrl(baseUrl, onDataClearedRoute),
-            ),
             typeInfo<Key>(),
             typeInfo<Value>(),
             typeInfo<Map<Key, List<Value>>>()

startup/launcher/src/commonMain/kotlin/StartLauncherPlugin.kt

@@ -14,6 +14,7 @@ import kotlinx.coroutines.launch
 import kotlinx.serialization.SerialFormat
 import kotlinx.serialization.StringFormat
 import kotlinx.serialization.json.JsonObject
+import kotlinx.serialization.json.decodeFromJsonElement
 import kotlinx.serialization.json.jsonObject
 import org.koin.core.Koin
 import org.koin.core.KoinApplication
@@ -93,18 +94,19 @@ object StartLauncherPlugin : StartPlugin {
 
     /**
      * Will create [KoinApplication], init, load modules using [StartLauncherPlugin] and start plugins using the same base
-     * plugin
+     * plugin. It is basic [start] method which accepts both [config] and [rawConfig] which suppose to be the same or
+     * at least [rawConfig] must contain serialized variant of [config]
      *
      * @param rawConfig It is expected that this [JsonObject] will contain serialized [Config] ([StartLauncherPlugin] will
      * deserialize it in its [StartLauncherPlugin.setupDI]
      */
-    suspend fun start(rawConfig: JsonObject) {
+    suspend fun start(config: Config, rawConfig: JsonObject) {
 
         logger.i("Start initialization")
         val koinApp = KoinApplication.init()
         koinApp.modules(
             module {
-                setupDI(rawConfig)
+                setupDI(config, rawConfig)
             }
         )
         logger.i("Modules loaded")
@@ -116,26 +118,26 @@ object StartLauncherPlugin : StartPlugin {
     }
 
     /**
-     * Will create [KoinApplication], init, load modules using [StartLauncherPlugin] and start plugins using the same base
+     * Call [start] with deserialized [Config] as config and [rawConfig] as is
-     * plugin
      *
-     * @param config In difference with other [start] method here config is already deserialized and this config will
+     * @param rawConfig It is expected that this [JsonObject] will contain serialized [Config]
-     * be converted to [JsonObject] as raw config. That means that all plugins from [config] will receive
+     */
-     * serialized version of [config] in [StartPlugin.setupDI] method
+    suspend fun start(rawConfig: JsonObject) {
+
+        start(defaultJson.decodeFromJsonElement(Config.serializer(), rawConfig), rawConfig)
+
+    }
+
+    /**
+     * Call [start] with deserialized [Config] as is and serialize it to [JsonObject] to pass as the first parameter
+     * to the basic [start] method
+     *
+     * @param config Will be converted to [JsonObject] as raw config. That means that all plugins from [config] will
+     * receive serialized version of [config] in [StartPlugin.setupDI] method
      */
     suspend fun start(config: Config) {
 
-        logger.i("Start initialization")
+        start(config, defaultJson.encodeToJsonElement(Config.serializer(), config).jsonObject)
-        val koinApp = KoinApplication.init()
-        logger.i("Koin app created")
-        koinApp.modules(
-            module {
-                setupDI(config)
-            }
-        )
-        startKoin(koinApp)
-        logger.i("Koin started")
-        startPlugin(koinApp.koin)
 
     }
 }

startup/launcher/src/jvmMain/kotlin/Main.kt

@@ -1,6 +1,7 @@
 package dev.inmo.micro_utils.startup.launcher
 
 import dev.inmo.kslog.common.KSLog
+import dev.inmo.kslog.common.LogLevel
 import dev.inmo.kslog.common.i
 import kotlinx.serialization.json.jsonObject
 import java.io.File
@@ -23,10 +24,25 @@ import java.io.File
  * In that case in `build/distributions` folder you will be able to find zip and tar files with all required
  * tools for application running (via their `bin/app_name` binary). In that case yoy will not need to pass
  * `--args=...` and launch will look like `./bin/app_name sample.config.json`
+ *
+ * ## Debug mode
+ *
+ * You may pass the second parameter, one of [LogLevel] enum variants to setup [KSLog] minimal logging level. Sample:
+ *
+ * ```bash
+ * ./gradlew run --args="sample.config.json DEBUG" // enable debugging output
+ * ```
+ *
+ * OR
+ * ```bash
+ * ./gradlew run --args="sample.config.json WARNING" // enable logging since WARNING
+ * ```
+ *
+ * **Default level is [LogLevel.INFO]**
  */
 suspend fun main(args: Array<String>) {
 
-    KSLog.default = KSLog("Launcher")
+    KSLog.default = KSLog("Launcher", args.getOrNull(1) ?.let { LogLevel.valueOf(it) } ?: LogLevel.INFO)
     val (configPath) = args
     val file = File(configPath)
     KSLog.i("Start read config from ${file.absolutePath}")