// Copyright 2012 Mark Cavage, Inc. All rights reserved.
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'use strict';
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var util = require('util');
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var _ = require('lodash');
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var RestError = require('./baseClasses/RestError');
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//------------------------------------------------------------------------------
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// local global vars
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//------------------------------------------------------------------------------
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var CODES = {
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BadDigest: 400,
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BadMethod: 405,
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ConnectTimeout: 408,
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Internal: 500,
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InvalidArgument: 409,
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InvalidContent: 400,
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InvalidCredentials: 401,
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InvalidHeader: 400,
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InvalidVersion: 400,
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MissingParameter: 409,
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NotAuthorized: 403,
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RequestExpired: 400,
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RequestThrottled: 429,
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ResourceNotFound: 404,
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WrongAccept: 406
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};
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var restErrors = _.reduce(CODES, function(acc, statusCode, errorCode) {
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// append Error to the end of the name if it doesn't already end with it.
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// this becomes the name of the constructor
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var name = errorCode + 'Error';
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// this is a dynamic constructor for an error message.
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// arguments are variadic. constructor fn name must be anonymous.
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/**
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* Variadic signature, first two are special to Restify, using a options
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* obj.
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* 1) new [Dynamic]Error(anotherErr, {...});
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* 2) new [Dynamic]Error({...});
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* Last one is a straight pass through to WError
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* 3) new [Dynamic]Error('my special error message');
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* @public
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* @class
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*/
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acc[name] = function() {
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// call super
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RestError.apply(this, arguments);
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};
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util.inherits(acc[name], RestError);
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/**
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* assign non-standard display name property on the CONSTRUCTOR (not
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* prototype), which is supported by all VMs. useful for stack trace
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* output.
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* @type {String}
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*/
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acc[name].displayName = name;
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/**
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* the name of the error, used in the stack trace output
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* @type {String}
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*/
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acc[name].prototype.name = name;
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/**
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* assign a default status code based on core http module.
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* users can override this if they want to. HttpError constructor
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* will handle overriding at the instance level.
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* @type {Number}
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*/
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acc[name].prototype.statusCode = statusCode;
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/**
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* the default rest code. i.e., a BadDigestError has a restCode of
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* 'BadDigest'. it is basically the key for the lookup in the CODES
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* mapping at the top of the file.
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* @type {String}
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*/
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acc[name].prototype.restCode = errorCode;
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return acc;
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}, {});
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module.exports = restErrors;
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