chore!: migrate to version 2.x

src/main/kotlin/app/termora/I18n.kt

@@ -1,14 +1,13 @@
 package app.termora
 
 import org.apache.commons.lang3.LocaleUtils
-import org.apache.commons.text.StringSubstitutor
+import org.slf4j.Logger
 import org.slf4j.LoggerFactory
-import java.text.MessageFormat
 import java.util.*
 
-object I18n {
+object I18n : AbstractI18n() {
     private val log = LoggerFactory.getLogger(I18n::class.java)
-    private val bundle by lazy {
+    private val myBundle by lazy {
         val bundle = ResourceBundle.getBundle("i18n/messages", Locale.getDefault())
         if (log.isInfoEnabled) {
             log.info("I18n: {}", bundle.baseBundleName ?: "null")
@@ -16,7 +15,6 @@ object I18n {
         return@lazy bundle
     }
 
-    private val substitutor by lazy { StringSubstitutor { key -> getString(key) } }
     private val supportedLanguages = sortedMapOf(
         "en_US" to "English",
         "zh_CN" to "简体中文",
@@ -39,24 +37,13 @@ object I18n {
         return supportedLanguages
     }
 
-    fun getString(key: String, vararg args: Any): String {
-        val text = getString(key)
-        if (args.isNotEmpty()) {
-            return MessageFormat.format(text, *args)
-        }
-        return text
+
+    override fun getBundle(): ResourceBundle {
+        return myBundle
     }
 
-
-    fun getString(key: String): String {
-        try {
-            return substitutor.replace(bundle.getString(key))
-        } catch (e: MissingResourceException) {
-            if (log.isWarnEnabled) {
-                log.warn(e.message, e)
-            }
-            return key
-        }
+    override fun getLogger(): Logger {
+        return log
     }