Convert loggers to kotlin

Author: Sineaggi

okio/src/jvmMain/java9/module-info.java okio/src/jvmJava9/java/module-info.java

@@ -0,0 +1,6 @@
+package okio.internal
+
+class Logger(name: String) {
+  private val logger: System.Logger = System.getLogger(name)
+  fun warn(msg: String, e: Throwable): Unit = logger.log(System.Logger.Level.WARNING, msg, e)
+}

okio/src/jvmJava9/kotlin/okio/internal/Logger.kt

@@ -34,8 +34,8 @@ import java.nio.file.Path as NioPath
 import java.security.MessageDigest
 import javax.crypto.Cipher
 import javax.crypto.Mac
-import okio.internal.ResourceFileSystem
 import okio.internal.Logger
+import okio.internal.ResourceFileSystem
 
 /** Returns a sink that writes to `out`. */
 fun OutputStream.sink(): Sink = OutputStreamSink(this, Timeout())
@@ -138,7 +138,7 @@ fun Socket.source(): Source {
   return timeout.source(source)
 }
 
-private val logger = Logger.getLogger("okio.Okio")
+private val logger = Logger("okio.Okio")
 
 private class SocketAsyncTimeout(private val socket: Socket) : AsyncTimeout() {
   override fun newTimeoutException(cause: IOException?): IOException {

okio/src/jvmMain/java/okio/internal/Logger.java

@@ -0,0 +1,6 @@
+package okio.internal
+
+class Logger(name: String) {
+  private val logger: java.util.logging.Logger = java.util.logging.Logger.getLogger(name)
+  fun warn(msg: String, e: Throwable): Unit = logger.log(java.util.logging.Level.WARNING, msg, e)
+}