Introduce Decoders class

This commit is contained in:
kubo_takaichi 2015-05-18 17:26:41 +09:00
parent be7fccce68
commit bb3ec04ed1
9 changed files with 71 additions and 164 deletions

View File

@ -63,8 +63,6 @@ public class SwiftGenerator extends DefaultCodegen implements CodegenConfig {
supportingFiles.add(new SupportingFile("Extensions.mustache", sourceFolder, "Extensions.swift"));
supportingFiles.add(new SupportingFile("Models.mustache", sourceFolder, "Models.swift"));
supportingFiles.add(new SupportingFile("APIs.mustache", sourceFolder, "APIs.swift"));
supportingFiles.add(new SupportingFile("DecodableDictionary.mustache", sourceFolder, "DecodableDictionary.swift"));
supportingFiles.add(new SupportingFile("DecodableArray.mustache", sourceFolder, "DecodableArray.swift"));
languageSpecificPrimitives = new HashSet<String>(
Arrays.asList(
@ -140,11 +138,11 @@ public class SwiftGenerator extends DefaultCodegen implements CodegenConfig {
if (p instanceof ArrayProperty) {
ArrayProperty ap = (ArrayProperty) p;
Property inner = ap.getItems();
return "DecodableArray<" + getTypeDeclaration(inner) + ">";
return "[" + getTypeDeclaration(inner) + "]";
} else if (p instanceof MapProperty) {
MapProperty mp = (MapProperty) p;
Property inner = mp.getAdditionalProperties();
return "DecodableDictionary<String, " + getTypeDeclaration(inner) + ">";
return "[String:" + getTypeDeclaration(inner) + "]";
}
return super.getTypeDeclaration(p);
}

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@ -13,10 +13,23 @@ class {{projectName}}API {
static var requestBuilderFactory: RequestBuilderFactory = AlamofireRequestBuilderFactory()
class APIBase {
func toParameters(encodable: JSONEncodable?) -> [String: AnyObject]? {
let encoded: AnyObject? = encodable?.encode()
if encoded! is [AnyObject] {
var dictionary = [String:AnyObject]()
for (index, item) in enumerate(encoded as! [AnyObject]) {
dictionary["\(index)"] = item
}
return dictionary
} else {
return encoded as? [String:AnyObject]
}
}
}
}
class RequestBuilder<T: JSONDecodable> {
class RequestBuilder<T> {
var credential: NSURLCredential?
var headers: [String:String] = [:]
let parameters: [String:AnyObject]?
@ -47,6 +60,6 @@ class RequestBuilder<T: JSONDecodable> {
}
protocol RequestBuilderFactory {
func getBuilder<T: JSONDecodable>() -> RequestBuilder<T>.Type
func getBuilder<T>() -> RequestBuilder<T>.Type
}

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@ -8,7 +8,7 @@ import Alamofire
import PromiseKit
class AlamofireRequestBuilderFactory: RequestBuilderFactory {
func getBuilder<T: JSONDecodable>() -> RequestBuilder<T>.Type {
func getBuilder<T>() -> RequestBuilder<T>.Type {
return AlamofireRequestBuilder<T>.self
}
}
@ -16,7 +16,7 @@ class AlamofireRequestBuilderFactory: RequestBuilderFactory {
// Store manager to retain its reference
private var managerStore: [String: Alamofire.Manager] = [:]
class AlamofireRequestBuilder<T: JSONDecodable>: RequestBuilder<T> {
class AlamofireRequestBuilder<T>: RequestBuilder<T> {
required init(method: String, URLString: String, parameters: [String : AnyObject]?, isBody: Bool) {
super.init(method: method, URLString: URLString, parameters: parameters, isBody: isBody)
}
@ -50,18 +50,15 @@ class AlamofireRequestBuilder<T: JSONDecodable>: RequestBuilder<T> {
return
}
if Empty.instance is T {
let response = Response(response: res!, body: Empty.instance as! T)
if () is T {
let response = Response(response: res!, body: () as! T)
defer.fulfill(response)
return
}
if let json: AnyObject = json {
if let body = T.decode(json) {
let body = Decoders.decode(clazz: T.self, source: json)
let response = Response(response: res!, body: body)
defer.fulfill(response)
} else {
defer.reject(NSError(domain: "localhost", code: 500, userInfo: ["reason": "cannot convertible: \(json)"]))
}
return
}

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@ -1,28 +0,0 @@
// DecodableArray.swift
//
// Generated by swagger-codegen
// https://github.com/swagger-api/swagger-codegen
//
final class DecodableArray<T where T: JSONDecodable, T: JSONEncodable>: JSONEncodable, JSONDecodable, ArrayLiteralConvertible {
let value: [T]
required init(arrayLiteral elements: T...) {
self.value = elements
}
init(array elements: [T]) {
self.value = elements
}
static func decode(source: AnyObject) -> DecodableArray? {
let array = source as! [AnyObject]
let decodedArray = DecodableArray(array: array.map({ T.decode($0)! }))
return decodedArray
}
func encode() -> AnyObject {
return value.map { $0.encode() }
}
}

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@ -1,44 +0,0 @@
// DecodableDictionary.swift
//
// Generated by swagger-codegen
// https://github.com/swagger-api/swagger-codegen
//
import Foundation
final class DecodableDictionary<Key, Value where Key: Hashable, Key: JSONEncodable, Key: JSONDecodable, Value: JSONEncodable, Value: JSONDecodable>: JSONEncodable, JSONDecodable, DictionaryLiteralConvertible {
let value: [Key:Value]
init(dictionaryLiteral elements: (Key, Value)...) {
var dic = [Key:Value]()
for (key, value) in elements {
dic[key] = value
}
self.value = dic
}
init(dictionary elements: [Key:Value]) {
self.value = elements
}
static func decode(source: AnyObject) -> DecodableDictionary? {
var destination = [Key:Value]()
let dictionary = source as! [NSObject:AnyObject]
for (key, value) in dictionary {
let decodedKey = Key.decode(key)!
let decodedValue = Value.decode(value)!
destination[decodedKey] = decodedValue
}
return DecodableDictionary(dictionary: destination)
}
func encode() -> AnyObject {
var destination = [String: AnyObject]()
for (key, value) in self.value {
let keyStr = "\(key.encode())"
let valueObj: AnyObject = value.encode()
destination[keyStr] = valueObj
}
return destination
}
}

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@ -9,73 +9,26 @@ import PromiseKit
import SwiftyJSON
extension Request {
func responsePromise<T>() -> Promise<Response<T>> {
let defer = Promise<Response<T>>.defer()
responseJSON(options: .AllowFragments) { (req, res, json, error) in
if let error = error {
defer.reject(error)
return
}
if res!.statusCode >= 400 {
let error = NSError(domain: res!.URL!.URLString, code: res!.statusCode, userInfo: [:])
defer.reject(error)
return
}
if Empty.instance is T {
let response = Response(response: res!, body: Empty.instance as! T)
defer.fulfill(response)
return
}
if let json: AnyObject = json {
if let body = T.decode(json) {
let response = Response(response: res!, body: body)
defer.fulfill(response)
} else {
defer.reject(NSError(domain: "localhost", code: 500, userInfo: ["reason": "cannot convertible: \(json)"]))
}
return
}
defer.reject(NSError(domain: "localhost", code: 500, userInfo: ["reason": "unreacheable code"]))
}
return defer.promise
}
}
extension Bool: JSONEncodable, JSONDecodable {
static func decode(source: AnyObject) -> Bool? {
return source as? Bool
}
extension Bool: JSONEncodable {
func encode() -> AnyObject { return self }
}
extension Float: JSONEncodable, JSONDecodable {
static func decode(source: AnyObject) -> Float? {
return source as? Float
}
extension Float: JSONEncodable {
func encode() -> AnyObject { return self }
}
extension Int: JSONEncodable, JSONDecodable {
static func decode(source: AnyObject) -> Int? {
return source as? Int
}
extension Int: JSONEncodable {
func encode() -> AnyObject { return self }
}
extension Double: JSONEncodable, JSONDecodable {
static func decode(source: AnyObject) -> Double? {
return source as? Double
}
extension Double: JSONEncodable {
func encode() -> AnyObject { return self }
}
extension String: JSONEncodable, JSONDecodable {
static func decode(source: AnyObject) -> String? {
return source as? String
}
extension String: JSONEncodable {
func encode() -> AnyObject { return self }
}
@ -110,12 +63,6 @@ extension JSON {
func decode() -> String {
return self.stringValue
}
func decode<T: JSONDecodable>() -> T? {
return T.decode(self.object)
}
func decode<T: JSONDecodable>() -> [T]? {
return self.arrayObject?.map(T.decode).filter({ $0 != nil }).map({ $0! })
}
func decode<T>() -> [T]? {
return self.array?.map({ $0 as! T })
}

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@ -5,17 +5,12 @@
//
import Foundation
import SwiftyJSON
protocol JSONDecodable {
static func decode(source: AnyObject) -> Self?
}
protocol JSONEncodable {
func encode() -> AnyObject
}
class Response<T: JSONDecodable> {
class Response<T> {
let statusCode: Int
let header: [String: String]
let body: T
@ -36,12 +31,38 @@ class Response<T: JSONDecodable> {
}
}
final class Empty: JSONDecodable {
private init() { }
class Decoders {
static private var decoders = Dictionary<String, ((AnyObject) -> AnyObject)>()
static let instance = Empty()
static func addDecoder<T>(#clazz: T.Type, decoder: ((AnyObject) -> T)) {
let key = "\(T.self)"
decoders[key] = { decoder($0) as! AnyObject }
}
static func decode(source: AnyObject) -> Empty? {
return instance
static func decode<T>(#clazz: [T].Type, source: AnyObject) -> [T] {
let array = source as! [AnyObject]
return array.map { Decoders.decode(clazz: T.self, source: $0) }
}
static func decode<T, Key: Hashable>(#clazz: [Key:T].Type, source: AnyObject) -> [Key:T] {
let sourceDictinoary = source as! [Key: AnyObject]
var dictionary = [Key:T]()
for (key, value) in sourceDictinoary {
dictionary[key] = Decoders.decode(clazz: T.self, source: value)
}
return dictionary
}
static func decode<T>(#clazz: T.Type, source: AnyObject) -> T {
if source is T {
return source as! T
}
let key = "\(T.self)"
if let decoder = decoders[key] {
return decoder(source) as! T
} else {
fatalError("Source \(source) is not convertible to type \(clazz): Maybe swagger file is insufficient")
}
}
}

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@ -28,9 +28,9 @@ extension {{projectName}}API {
{{/hasParams}}{{#allParams}}
:param: {{paramName}} ({{#isFormParam}}form{{/isFormParam}}{{#isQueryParam}}query{{/isQueryParam}}{{#isPathParam}}path{{/isPathParam}}{{#isHeaderParam}}header{{/isHeaderParam}}{{#isBodyParam}}body{{/isBodyParam}}) {{description}}{{/allParams}}
:returns: Promise<Response<{{#returnType}}{{{returnType}}}{{/returnType}}{{^returnType}}Empty{{/returnType}}>> {{description}}
:returns: Promise<Response<{{#returnType}}{{{returnType}}}{{/returnType}}{{^returnType}}Void{{/returnType}}>> {{description}}
*/
func {{operationId}}({{#allParams}}{{^secondaryParam}}#{{/secondaryParam}}{{paramName}}: {{{dataType}}}{{^required}}?{{/required}}{{#hasMore}}, {{/hasMore}}{{/allParams}}) -> RequestBuilder<{{#returnType}}{{{returnType}}}{{/returnType}}{{^returnType}}Empty{{/returnType}}> {
func {{operationId}}({{#allParams}}{{^secondaryParam}}#{{/secondaryParam}}{{paramName}}: {{{dataType}}}{{^required}}?{{/required}}{{#hasMore}}, {{/hasMore}}{{/allParams}}) -> RequestBuilder<{{#returnType}}{{{returnType}}}{{/returnType}}{{^returnType}}Void{{/returnType}}> {
{{^pathParams}}let{{/pathParams}}{{#pathParams}}{{^secondaryParam}}var{{/secondaryParam}}{{/pathParams}} path = "{{path}}"{{#pathParams}}
path = path.stringByReplacingOccurrencesOfString("{{=<% %>=}}{<%paramName%>}<%={{ }}=%>", withString: "\({{paramName}})", options: .LiteralSearch, range: nil){{/pathParams}}
let url = {{projectName}}API.basePath + path
@ -41,7 +41,7 @@ extension {{projectName}}API {
]{{/hasMore}}{{/queryParams}}
let parameters = APIHelper.rejectNil(nillableParameters){{/bodyParam}}
let requestBuilder: RequestBuilder<{{#returnType}}{{{returnType}}}{{/returnType}}{{^returnType}}Empty{{/returnType}}>.Type = {{projectName}}API.requestBuilderFactory.getBuilder()
let requestBuilder: RequestBuilder<{{#returnType}}{{{returnType}}}{{/returnType}}{{^returnType}}Void{{/returnType}}>.Type = {{projectName}}API.requestBuilderFactory.getBuilder()
return requestBuilder(method: "{{httpMethod}}", URLString: url, parameters: parameters, isBody: {{^queryParams}}true{{/queryParams}}{{#queryParams}}{{^secondaryParam}}false{{/secondaryParam}}{{/queryParams}})
}

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@ -7,11 +7,14 @@
import SwiftyJSON
extension JSON {
}
extension {{projectName}}API {
{{#description}}
/** {{description}} */{{/description}}
final class {{classname}}: JSONEncodable, JSONDecodable {
final class {{classname}}: JSONEncodable {
{{#vars}}{{#isEnum}}
enum {{datatypeWithEnum}}: String { {{#allowableValues}}{{#values}}
case {{enum}} = "{{raw}}"{{/values}}{{/allowableValues}}