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package xyz.driver.core
import java.util.Locale
import com.typesafe.config.{Config, ConfigException}
import com.typesafe.scalalogging.Logger
/**
* Scala internationalization (i18n) support
*/
object messages {
object Messages {
def messages(config: Config, log: Logger, locale: Locale = Locale.US): Messages = {
val map = config.getConfig(locale.getLanguage)
Messages(map, locale, log)
}
}
final case class Messages(map: Config, locale: Locale, log: Logger) {
/**
* Returns message for the key
*
* @param key key
* @return message
*/
def apply(key: String): String = {
try {
map.getString(key)
} catch {
case _: ConfigException =>
log.error(s"Message with key '$key' not found for locale '${locale.getLanguage}'")
key
}
}
/**
* Returns message for the key and formats that with parameters
*
* @example "Hello {0}!" with "Joe" will be "Hello Joe!"
*
* @param key key
* @param params params to be embedded
* @return formatted message
*/
def apply(key: String, params: Any*): String = {
def format(formatString: String, params: Seq[Any]) =
params.zipWithIndex.foldLeft(formatString) {
case (res, (value, index)) => res.replace(s"{$index}", value.toString)
}
val template = apply(key)
format(template, params)
}
}
}
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