copy old S3Exception code from Alpakka

LICENSE.txt

@@ -213,6 +213,10 @@ Spray Caching 1.3.4 (io.spray:spray-caching_2.11:1.3.4 - http://spray.io/documen
   License included at licenses/LICENSE-spray.txt, or https://github.com/spray/spray/blob/master/LICENSE
   Copyright (C) 2011-2015 the spray project <http://spray.io>
 
+common/scala/src/main/scala/org/apache/openwhisk/core/database/s3/S3Exception.scala
+is based on https://github.com/akka/alpakka/blob/v1.0.2/s3/src/main/scala/akka/stream/alpakka/s3/S3Exception.scala
+  Copyright (C) 2016-2019 Lightbend Inc. <http://www.lightbend.com>
+
 This product bundles the files gradlew and gradlew.bat from Gradle v5.5
 which are distributed under the Apache License, Version 2.0.
 For details see ./gradlew and ./gradlew.bat.

common/scala/src/main/scala/org/apache/openwhisk/core/database/s3/S3Exception.scala

@@ -15,6 +15,37 @@
  * limitations under the License.
  */
 
+ /*
+ * Copyright (C) 2016-2019 Lightbend Inc. <http://www.lightbend.com>
+ */
+
 package org.apache.openwhisk.core.database.s3
 
-class S3Exception(msg: String) extends Exception(msg)
+import scala.util.Try
+import scala.xml.{Elem, XML}
+
+/**
+  * Exception thrown by S3 operations.
+  * 
+  * Copied from https://github.com/akka/alpakka/blob/v1.0.2/s3/src/main/scala/akka/stream/alpakka/s3/S3Exception.scala
+  */
+private[s3] class S3Exception(val code: String, val message: String, val requestId: String, val hostId: String)
+    extends RuntimeException(message) {
+
+  def this(xmlResponse: Elem) =
+    this((xmlResponse \ "Code").text,
+         (xmlResponse \ "Message").text,
+         (xmlResponse \ "RequestID").text,
+         (xmlResponse \ "HostID").text)
+
+  def this(response: String) =
+    this(
+      Try(XML.loadString(response)).getOrElse(
+        <Error><Code>-</Code><Message>{response}</Message><RequestID>-</RequestID><HostID>-</HostID></Error>
+      )
+    )
+
+  override def toString: String =
+    s"${super.toString} (Code: $code, RequestID: $requestId, HostID: $hostId)"
+
+}