Add back method used by code in internal repo

1 files changed, 18 insertions, 0 deletions

diff --git a/controller-api/src/main/java/com/yahoo/vespa/hosted/controller/api/integration/configserver/ConfigServerException.java b/controller-api/src/main/java/com/yahoo/vespa/hosted/controller/api/integration/configserver/ConfigServerException.java
index 7b5166dc84e..94a565b2974 100644
--- a/controller-api/src/main/java/com/yahoo/vespa/hosted/controller/api/integration/configserver/ConfigServerException.java
+++ b/controller-api/src/main/java/com/yahoo/vespa/hosted/controller/api/integration/configserver/ConfigServerException.java
@@ -1,6 +1,13 @@
 // Copyright Yahoo. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
 package com.yahoo.vespa.hosted.controller.api.integration.configserver;
 
+import com.yahoo.slime.Inspector;
+import com.yahoo.slime.SlimeUtils;
+
+import java.util.stream.Stream;
+
+import static java.nio.charset.StandardCharsets.UTF_8;
+
 /**
  * An exception due to server error, a bad request, or similar.
  *
@@ -46,4 +53,15 @@ public class ConfigServerException extends RuntimeException {
         QUOTA_EXCEEDED
     }
 
+    // Note: Used by code in internal repo
+    public static ConfigServerException readException(byte[] body, String context) {
+        Inspector root = SlimeUtils.jsonToSlime(body).get();
+        String codeName = root.field("error-code").asString();
+        ErrorCode code = Stream.of(ErrorCode.values())
+                .filter(value -> value.name().equals(codeName))
+                .findAny().orElse(ErrorCode.INCOMPLETE_RESPONSE);
+        String message = root.field("message").valid() ? root.field("message").asString() : new String(body, UTF_8);
+        return new ConfigServerException(code, message, context);
+    }
+
 }