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http client with promises for both Android and iOS

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This commit is contained in:
Vladimir Enchev
2014-04-15 10:31:04 +03:00
parent 89c2338143
commit dd48921e24
5 changed files with 87 additions and 130 deletions
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4
Promises/promises.ts
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@ -1,5 +1,3 @@
export function when(...promises: Promise[]): Promise {
var all_done = new Deferred();
var results = [];
@ -31,7 +29,7 @@ export class Promise {
constructor(private deferred: Deferred) { }
then(callback: Function, error: Function): Promise {
then(callback: Function, error?: Function): Promise {
return this.deferred.then(callback, error);
}

11
net/Readme.md
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@ -1,19 +1,16 @@
Sample code:
```
var webClientModule = require("WebClient");
var webClient = webClientModule.Client;
var http = require("net").http;
var client = new webClient();
client.getString("http://www.reddit.com/", function(result) {
http.getString("http://www.reddit.com/").then(function(result) {
// Result is string!
}, function(e) { console.log("Error:" + e.message); });
client.getJSON("http://www.reddit.com/r/aww.json?limit=10", function(result) {
http.getJSON("http://www.reddit.com/r/aww.json?limit=10").then(function(result) {
// Result is JSON!
}, function(e) { console.log("Error:" + e.message); });
client.getImage("http://www.telerik.com/sfimages/default-source/Homepage/hp_any_approachf6e4079a7a99493a8ab2e367b9cb3f7d.png", function(result) {
http.getImage("http://www.telerik.com/sfimages/default-source/Homepage/hp_any_approachf6e4079a7a99493a8ab2e367b9cb3f7d.png").then(function(result) {
// Result is tk.ui.Image!
}, function(e) { console.log("Error:" + e.message); });

115
net/http_client.android.ts
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@ -1,85 +1,74 @@
/**
* Android specific WebClient implementation.
* Android specific http client implementation.
*/
import image_module = require("Image/image");
import app_module = require("Application/application");
import promises = require("promises/promises");
export class HttpClient {
export class http {
/**
* Downloads string from url.
* Gets string from url.
*/
public getString(url: string, successCallback: (result: string) => void, errorCallback?: (e: Error) => void) {
try {
if (successCallback) {
var context = app_module.tk.ui.Application.current.android.context;
com.koushikdutta.ion.Ion.with(context, url).asString().setCallback(new com.koushikdutta.async.future.FutureCallback({
onCompleted: function (e, result) {
if (e && errorCallback) {
errorCallback(new Error(e.toString()));
return;
}
successCallback(result);
}
}));
}
} catch (ex) {
public static getString(url: string): promises.Promise {
var d = new promises.Deferred();
if (errorCallback) {
errorCallback(ex);
}
}
}
public getJSON(url: string, successCallback: (result: Object) => void, errorCallback?: (e: Error) => void) {
try {
this.getString(url, function (data) {
if (successCallback) {
successCallback(JSON.parse(data));
var context = app_module.tk.ui.Application.current.android.context;
com.koushikdutta.ion.Ion.with(context, url).asString().setCallback(new com.koushikdutta.async.future.FutureCallback({
onCompleted: function (e, result) {
if (e) {
d.reject(e);
return;
}
}, errorCallback);
} catch (ex) {
if (errorCallback) {
errorCallback(ex);
d.resolve(result);
}
}
}));
return d.promise();
}
public getImage(url: string, successCallback: (result: image_module.Image) => void, errorCallback?: (e: Error) => void) {
try {
if (successCallback) {
var context = app_module.tk.ui.Application.current.android.context;
com.koushikdutta.ion.Ion.with(context, url).asBitmap().setCallback(new com.koushikdutta.async.future.FutureCallback({
onCompleted: function (e, result) {
if (e && errorCallback) {
errorCallback(new Error(e.toString()));
return;
}
/**
* Gets JSON from url.
*/
public static getJSON(url: string): promises.Promise {
var d = new promises.Deferred();
var image = new image_module.Image();
image.loadFromBitmap(result);
successCallback(image);
}
}));
var context = app_module.tk.ui.Application.current.android.context;
com.koushikdutta.ion.Ion.with(context, url).asString().setCallback(new com.koushikdutta.async.future.FutureCallback({
onCompleted: function (e, result) {
if (e) {
d.reject(e);
return;
}
d.resolve(JSON.parse(result));
}
} catch (ex) {
}));
if (errorCallback) {
errorCallback(ex);
}
}
return d.promise();
}
private static get(url: string, successCallback: (result: any) => void, errorCallback?: (e: Error) => void) {
try {
/**
* Gets image from url.
*/
public static getImage(url: string): promises.Promise {
var d = new promises.Deferred();
} catch (ex) {
if (errorCallback) {
errorCallback(ex);
var context = app_module.tk.ui.Application.current.android.context;
com.koushikdutta.ion.Ion.with(context, url).asBitmap().setCallback(new com.koushikdutta.async.future.FutureCallback({
onCompleted: function (e, result) {
if (e) {
d.reject(e);
return;
}
var image = new image_module.Image();
image.loadFromBitmap(result);
d.resolve(image);
}
}
}));
return d.promise();
}
}

12
net/http_client.d.ts vendored
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@ -1,11 +1,11 @@
/**
* The Client interface.
* The http client interface.
*/
import image_module = require("Image/image");
import promises = require("promises/promises");
export declare class HttpClient {
private static get(url: string, successCallback?: (result: any) => void, errorCallback?: (e: Error) => void)
getString(url: string, successCallback?: (result: string) => void, errorCallback?: (e: Error) => void)
getJSON(url: string, successCallback?: (result: Object) => void, errorCallback?: (e: Error) => void)
getImage(url: string, successCallback?: (result: image_module.Image) => void, errorCallback?: (e: Error) => void)
export declare class http {
private static getString(url: string): promises.Promise;
private static getJSON(url: string): promises.Promise;
private static getImage(url: string): promises.Promise;
}

75
net/http_client.ios.ts
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@ -1,70 +1,43 @@
/**
* iOS specific WebClient implementation.
* iOS specific http client implementation.
*/
import image_module = require("Image/image");
import promises = require("promises/promises");
export class HttpClient {
export class http {
/**
* Downloads string from url.
* Gets string from url.
*/
public getString(url: string, successCallback: (result: string) => void, errorCallback?: (e: Error) => void) {
try {
HttpClient.get(url, function (data) {
if (successCallback) {
successCallback(Foundation.NSString.initWithDataEncoding(data, 4).toString());
}
}, errorCallback);
} catch (ex) {
if (errorCallback) {
errorCallback(ex);
}
}
}
public static getString(url : string) {
public static getString(url : string) : promises.Promise {
var d = new promises.Deferred();
new HttpClient().getString(url, r => d.resolve(r), e => d.reject(e));
http.get(url, r => d.resolve(Foundation.NSString.initWithDataEncoding(r, 4).toString()), e => d.reject(e));
return d.promise();
}
public getJSON(url: string, successCallback: (result: Object) => void, errorCallback?: (e: Error) => void) {
try {
this.getString(url, function (data) {
if (successCallback) {
successCallback(JSON.parse(data));
}
}, errorCallback);
} catch (ex) {
if (errorCallback) {
errorCallback(ex);
}
}
/**
* Gets JSON from url.
*/
public static getJSON(url: string) : promises.Promise {
var d = new promises.Deferred();
http.get(url, r => d.resolve(JSON.parse(Foundation.NSString.initWithDataEncoding(r, 4).toString())), e => d.reject(e));
return d.promise();
}
public getImage(url: string, successCallback: (result: image_module.Image) => void, errorCallback?: (e: Error) => void) {
HttpClient.get(url, function (data) {
if (successCallback) {
var image = new image_module.Image();
image.loadFromData(data);
successCallback(image);
}
}, errorCallback);
/**
* Gets image from url.
*/
public static getImage(url: string) : promises.Promise {
var d = new promises.Deferred();
http.get(url, r => {
var image = new image_module.Image();
image.loadFromData(r);
d.resolve(image);
}, e => d.reject(e));
return d.promise();
}
private static get(url: string, successCallback?: (result: any) => void, errorCallback?: (e: Error) => void) {
if (!successCallback && !errorCallback)
{
var d = new promises.Deferred();
HttpClient.getUrl(url, r => d.resolve(r), e => d.reject(e));
return d.promise();
}
HttpClient.getUrl(url, successCallback, errorCallback);
}
private static getUrl(url: string, successCallback: (result: any) => void, errorCallback?: (e: Error) => void) {
private static get(url: string, successCallback: (result: any) => void, errorCallback?: (e: Error) => void) {
try {
var sessionConfig = Foundation.NSURLSessionConfiguration.defaultSessionConfiguration();
var queue = Foundation.NSOperationQueue.mainQueue();