0001    //
0002    //  Controller.swift
0003    //  Kunugi
0004    //
0005    //  Created by ito on 1/3/16.
0006    //  Copyright © 2016 Yusuke Ito. All rights reserved.
0007    //
0008    
0009    public protocol ControllerMiddleware
Controller.swift:18
public extension ControllerMiddleware {: MiddlewareType {
0010        func get
Controller.swift:31
                result = try get(ctx)(ctx: ContextBox) throws -> MiddlewareResult
0011        func post
Controller.swift:33
                result = try post(ctx)(ctx: ContextBox) throws -> MiddlewareResult
0012        func put
Controller.swift:35
                result = try put(ctx)(ctx: ContextBox) throws -> MiddlewareResult
0013        func delete
Controller.swift:37
                result = try delete(ctx)(ctx: ContextBox) throws -> MiddlewareResult
0014        func before
Controller.swift:26
        switch try before(ctx) {(ctx: ContextBox) throws -> MiddlewareResult
0015        func after
Controller.swift:41
            return try after(ctx, result: result)(ctx: ContextBox, result: MiddlewareResult) throws -> MiddlewareResult
0016    }
0017    
0018    public extension ControllerMiddleware {
0019        func before(ctx: ContextBox) throws -> MiddlewareResult {
0020            return .Next
0021        }
0022        func after(ctx: ContextBox, result: MiddlewareResult) throws -> MiddlewareResult {
0023            return result
0024        }
0025        func handle(ctx: ContextBox) throws -> MiddlewareResult {
0026            switch try before(ctx) {
0027            case .Next:
0028                let result: MiddlewareResult
0029                switch ctx.method {
0030                case .GET:
0031                    result = try get(ctx)
0032                case .POST:
0033                    result = try post(ctx)
0034                case .PUT:
0035                    result = try put(ctx)
0036                case .DELETE:
0037                    result = try delete(ctx)
0038                default:
0039                    result = .Next
0040                }
0041                return try after(ctx, result: result)
0042                
0043            case .Respond(let res):
0044                return .Respond(res)
0045            }
0046        }
0047        func get(ctx: ContextBox) throws -> MiddlewareResult { return .Next }
0048        func post(ctx: ContextBox) throws -> MiddlewareResult { return .Next }
0049        func put(ctx: ContextBox) throws -> MiddlewareResult { return .Next }
0050        func delete(ctx: ContextBox) throws -> MiddlewareResult { return .Next }
0051    }