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// Copyright 2016 Yahoo Inc. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
package com.yahoo.messagebus.jdisc;
import com.yahoo.jdisc.Response;
import com.yahoo.messagebus.Error;
import com.yahoo.messagebus.ErrorCode;
import com.yahoo.messagebus.Reply;
/**
* @author <a href="mailto:simon@yahoo-inc.com">Simon Thoresen Hult</a>
*/
public class StatusCodes {
public static int fromMbusReply(final Reply reply) {
int statusCode = Response.Status.OK;
for (int i = 0, len = reply.getNumErrors(); i < len; ++i) {
statusCode = Math.max(statusCode, fromMbusError(reply.getError(i)));
}
return statusCode;
}
public static int fromMbusError(final Error error) {
final int errorCode = error.getCode();
if (errorCode < ErrorCode.TRANSIENT_ERROR) {
return Response.Status.OK;
}
if (errorCode < ErrorCode.FATAL_ERROR) {
return Response.Status.TEMPORARY_REDIRECT;
}
switch (errorCode) {
case ErrorCode.SEND_QUEUE_CLOSED:
return Response.Status.LOCKED;
case ErrorCode.ILLEGAL_ROUTE:
return Response.Status.BAD_REQUEST;
case ErrorCode.NO_SERVICES_FOR_ROUTE:
return Response.Status.NOT_FOUND;
case ErrorCode.SERVICE_OOS:
return Response.Status.SERVICE_UNAVAILABLE;
case ErrorCode.ENCODE_ERROR:
return Response.Status.BAD_REQUEST;
case ErrorCode.NETWORK_ERROR:
return Response.Status.BAD_REQUEST; // got nothing better
case ErrorCode.UNKNOWN_PROTOCOL:
return Response.Status.UNSUPPORTED_MEDIA_TYPE;
case ErrorCode.DECODE_ERROR:
return Response.Status.UNSUPPORTED_MEDIA_TYPE;
case ErrorCode.TIMEOUT:
return Response.Status.REQUEST_TIMEOUT;
case ErrorCode.INCOMPATIBLE_VERSION:
return Response.Status.VERSION_NOT_SUPPORTED;
case ErrorCode.UNKNOWN_POLICY:
return Response.Status.BAD_REQUEST;
case ErrorCode.NETWORK_SHUTDOWN:
return Response.Status.LOCKED;
case ErrorCode.POLICY_ERROR:
return Response.Status.PRECONDITION_FAILED;
case ErrorCode.SEQUENCE_ERROR:
return Response.Status.PRECONDITION_FAILED;
case ErrorCode.APP_FATAL_ERROR:
return Response.Status.INTERNAL_SERVER_ERROR;
default:
return Response.Status.INTERNAL_SERVER_ERROR;
}
}
public static Error toMbusError(final int statusCode) {
if (statusCode < 300) {
return null;
} else if (statusCode < 400) {
return new Error(ErrorCode.APP_TRANSIENT_ERROR, statusCode + " Redirection");
} else if (statusCode < 500) {
return new Error(ErrorCode.APP_FATAL_ERROR, statusCode + " Client Error");
} else if (statusCode < 600) {
return new Error(ErrorCode.APP_FATAL_ERROR, statusCode + " Server Error");
} else {
return new Error(ErrorCode.APP_FATAL_ERROR, statusCode + " Unknown Error");
}
}
}
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