1 files changed, 32 insertions, 0 deletions
diff --git a/container-core/src/main/java/com/yahoo/container/handler/metrics/ErrorResponse.java b/container-core/src/main/java/com/yahoo/container/handler/metrics/ErrorResponse.java
new file mode 100644
index 00000000000..321f7b3994a
--- /dev/null
+++ b/container-core/src/main/java/com/yahoo/container/handler/metrics/ErrorResponse.java
@@ -0,0 +1,32 @@
+// Copyright 2020 Oath Inc. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
+package com.yahoo.container.handler.metrics;
+
+import com.fasterxml.jackson.core.JsonProcessingException;
+import com.fasterxml.jackson.databind.ObjectMapper;
+
+import java.util.Map;
+import java.util.logging.Logger;
+
+import static java.util.logging.Level.WARNING;
+
+/**
+ * @author gjoranv
+ */
+public class ErrorResponse extends JsonResponse {
+    private static Logger log = Logger.getLogger(ErrorResponse.class.getName());
+
+    private static ObjectMapper objectMapper = new ObjectMapper();
+
+    public ErrorResponse(int code, String message) {
+        super(code, asErrorJson(message));
+    }
+
+    static String asErrorJson(String message) {
+        try {
+            return objectMapper.writeValueAsString(Map.of("error", message));
+        } catch (JsonProcessingException e) {
+            log.log(WARNING, "Could not encode error message to json:", e);
+            return "Could not encode error message to json, check the log for details.";
+        }
+    }
+}