// Copyright 2012 Mark Cavage, Inc. All rights reserved.
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'use strict';
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// core modules
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var http = require('http');
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var util = require('util');
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// external modules
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var _ = require('lodash');
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// local files
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var helpers = require('./helpers');
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var HttpError = require('./baseClasses/HttpError');
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// Programatically create 4xx and 5xx HTTP status codes Error classes
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// This list includes:
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// BadRequestError
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// UnauthorizedError
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// PaymentRequiredError
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// ForbiddenError
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// NotFoundError
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// MethodNotAllowedError
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// NotAcceptableError
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// ProxyAuthenticationRequiredError
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// RequestTimeoutError
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// ConflictError
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// GoneError
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// LengthRequiredError
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// PreconditionFailedError
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// RequestEntityTooLargeError
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// RequesturiTooLargeError
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// UnsupportedMediaTypeError
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// RangeNotSatisfiableError (For Node >= 4 & iojs >= 3)
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// RequestedRangeNotSatisfiableError (For Node 0.x & iojs < 3)
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// ExpectationFailedError
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// ImATeapotError
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// UnprocessableEntityError
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// LockedError
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// FailedDependencyError
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// UnorderedCollectionError
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// UpgradeRequiredError
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// PreconditionRequiredError
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// TooManyRequestsError
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// RequestHeaderFieldsTooLargeError
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// InternalServerError
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// NotImplementedError
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// BadGatewayError
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// ServiceUnavailableError
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// GatewayTimeoutError
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// HttpVersionNotSupportedError
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// VariantAlsoNegotiatesError
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// InsufficientStorageError
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// BandwidthLimitExceededError
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// NotExtendedError
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// NetworkAuthenticationRequiredError
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var httpErrors = _.reduce(http.STATUS_CODES, function(acc, desc, code) {
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var parsedCode = parseInt(code, 10);
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if (parsedCode >= 400) {
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var name = helpers.errNameFromDesc(desc);
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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
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* options 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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HttpError.apply(this, arguments);
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};
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util.inherits(acc[name], HttpError);
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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 = parsedCode;
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/**
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* default code is the error name
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* @type {String}
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*/
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acc[name].prototype.code = name.replace(new RegExp('Error$'), '');
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}
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return acc;
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}, {});
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module.exports = httpErrors;
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