SparkPostErrorServerResponseException added

libs/sparkpost-lib/src/main/java/com/sparkpost/exception/SparkPostErrorServerResponseException.java

@@ -0,0 +1,18 @@
+package com.sparkpost.exception;
+
+import com.yepher.jsondoc.annotations.Description;
+import lombok.Getter;
+
+public class SparkPostErrorServerResponseException extends SparkPostException {
+
+    private static final long serialVersionUID = -7196264905004169555L;
+
+    @Getter
+    @Description(value = "HTTP Response Code generated by request", sample = {"426"})
+    private int responseCode = -1;
+
+    public SparkPostErrorServerResponseException(String message, int responseCode) {
+        super(message);
+        this.responseCode = responseCode;
+    }
+}

libs/sparkpost-lib/src/main/java/com/sparkpost/transport/RestConnection.java

@@ -12,6 +12,7 @@
 import java.net.ProtocolException;
 import java.net.URL;
 
+import com.sparkpost.exception.SparkPostErrorServerResponseException;
 import org.apache.commons.codec.binary.Base64;
 import org.apache.commons.lang3.StringUtils;
 import org.apache.log4j.Logger;
@@ -273,7 +274,10 @@ private Response receiveResponse(HttpURLConnection conn, Response response) thro
             } else if (response.getResponseCode() == ACCESS_FORBIDDEN_RESPONSE_STATUS_CODE) {
                 throw new SparkPostAccessForbiddenException();
             } else {
-                throw new SparkPostException("Error reading server response: " + ex.toString() + ": " + sb.toString() + "(" + response.getResponseMessage() + ")");
+                throw new SparkPostErrorServerResponseException(
+                        "Error reading server response: " + ex.toString() + ": " + sb.toString() + "(" + response.getResponseMessage() + ")",
+                        response.getResponseCode()
+                );
             }
         }
         return response;